Patents

B.S. Richards, A. Boehm, A. Grimm "Photovoltaic modules with improved quantum effciency" (WO/2008/110567) (RG).

A.Turshatov, B.S. Richards, I. Howard "New medium for TTA-photon upconversion in polymer host matrix" (15002954.4-1355, led on 16 Oct 2015).

Journal Articles - KIT

2024

Tb and Eu in MOF‐76: Elucidating the Mechanisms Responsible for the Divergent Excellent and Poor Photoluminescence Quantum Yields
Meng, D.; Zhao, T.; Busko, D.; Cosgun Ergene, A.; Richards, B. S.; Howard, I. A.
2024. Advanced Optical Materials. doi:10.1002/adom.202300867

2023

Accelerated ageing method for the determination of photostability of polymer-based photocatalytic membranes
Raota, C. S.; Lotfi, S.; Lyubimenko, R.; Richards, B. S.; Schäfer, A. I.
2023. Journal of Membrane Science, 686, Art.Nr.: 121944. doi:10.1016/j.memsci.2023.121944

High Quantum Yield Shortwave Infrared Luminescent Tracers for Improved Sorting of Plastic Waste
Rajagopalan, K.; Madirov, E.; Busko, D.; Howard, I. A.; Richards, B. S.; Swart, H. C.; Turshatov, A.
2023. ACS Applied Materials & Interfaces, 15 (37), 43985 – 43993. doi:10.1021/acsami.3c07387

Structure and luminescence properties of Dy $^{3 +}$ doped quaternary tungstate Li $_{3}$ Ba $_{2}$ Gd $_{3}$ (WO $_{4}$ ) $_{8}$ for application in wLEDs
Douzi, A.; Slimi, S.; Madirov, E.; Turshatov, A.; Richards, B. S. S.; Solé, R. M.; Aguiló, M.; Díaz, F.; Ben Salem, E.; Mateos, X.
2023. RSC Advances, 13 (34), 23772 – 23787. doi:10.1039/D3RA02501B

Solar-pumped fiber laser using a solid-state luminescent solar collector
Endo, M.; Yamamoto, K.; Dottermusch, S.; Howard, I. A.; Richards, B. S.; Tomizawa, R.; Masuda, T.
2023. Optics Express, 31 (16), 26040–26053. doi:10.1364/OE.496268

Absolute quantum yield of short-wave infrared luminescence of GdVO $_{4}$ :Yb $^{3 +}$ , Er $^{3 +}$ , Zn $^{3 +}$ nano- and microparticles
Niyom, Y.; Madirov, E.; Bhiri, N. M.; Chauhan, A.; Richards, B. S.; Flood, A.; Crespy, D.; Turshatov, A.
2023. Optical Materials, 140, Art.-Nr.: 113833. doi:10.1016/j.optmat.2023.113833

Absolute quantum yield for understanding upconversion and downshift luminescence in PbF $_{2}$ :Er $^{3 +}$ ,Yb $^{3 +}$ crystals
Madirov, E.; Busko, D.; Howard, I. A.; Richards, B. S.; Turshatov, A.
2023. Physical Chemistry Chemical Physics, 25 (17), 11986–11997. doi:10.1039/D3CP00936J

Translucent perovskite photovoltaics for building integration
Ritzer, D. B.; Abdollahi Nejand, B.; Ruiz-Preciado, M. A.; Gharibzadeh, S.; Hu, H.; Diercks, A.; Feeney, T.; Richards, B. S.; Abzieher, T.; Paetzold, U. W.
2023. Energy & Environmental Science, 16 (5), 2212–2225. doi:10.1039/D2EE04137E

Frontiers in photonics spotlight
Anvari, B.; Celebrano, M.; De Angelis, C.; Huang, S.; Poon, T.-C.; Richards, B. S.; Peccianti, M.
2023. Frontiers in Photonics, 4, Art.Nr.: 1131853. doi:10.3389/fphot.2023.1131853

Preventing cation intermixing enables 50% quantum yield in sub-15 nm short-wave infrared-emitting rare-earth based core-shell nanocrystals
Arteaga Cardona, F.; Jain, N.; Popescu, R.; Busko, D.; Madirov, E.; Arús, B. A.; Gerthsen, D.; De Backer, A.; Bals, S.; Bruns, O. T.; Chmyrov, A.; Van Aert, S.; Richards, B. S.; Hudry, D.
2023. Nature Communications, 14, Art.-Nr.: 4462. doi:10.1038/s41467-023-40031-4

Luminescent solar concentrators for building integrated photovoltaics: opportunities and challenges
Richards, B. S.; Howard, I. A.
2023. Energy & Environmental Science, 16 (8), 3214–3239. doi:10.1039/d3ee00331k

Renewable Energy Powered Membrane Technology: Energy Buffering Control to Reduce Shut‐Down Events and Enhance System Resilience under Different Solar Days
Li, S.; Voigt, A.; Cai, Y.-H.; Schäfer, A. I.; Richards, B. S.
2023. Advanced Sustainable Systems, 7 (7), Art.Nr.: 2300031. doi:10.1002/adsu.202300031

GIWAXS Characterization of Metal–Organic Framework Thin Films and Heterostructures: Quantifying Structure and Orientation
Fischer, J. C.; Li, C.; Hamer, S.; Heinke, L.; Herges, R.; Richards, B. S.; Howard, I. A.
2023. Advanced Materials Interfaces, 10 (11), Art.-Nr.: 2202259. doi:10.1002/admi.202202259

Smartphone Authentication of Unclonable Anticounterfeiting Labels based on a Microlens Array atop a Microphosphor‐Doped Layer
Kumar, V.; Gota, F.; Neyret, J.; Katumo, N.; Chauhan, A.; Dottermusch, S.; Richards, B. S.; Howard, I. A.
2023. Advanced Materials Technologies, 8 (6), Art.-Nr.: 2201311. doi:10.1002/admt.202201311

Comparison of Quantum Yield of Upconversion Nanocrystals Determined by Absolute and Relative Methods
Madirov, E.; Busko, D.; Cardona, F. A.; Hudry, D.; Kuznetsov, S. V.; Konyushkin, V. A.; Nakladov, A. N.; Alexandrov, A. A.; Howard, I. A.; Richards, B. S.; Turshatov, A.
2023. Advanced Photonics Research, 4 (2), Art.-Nr.: 2200187. doi:10.1002/adpr.202200187

Enhanced photocatalytic efficiency via improved contact in a solar-driven membrane reactor for steroid hormone removal
Lyubimenko, R.; Turshatov, A.; Welle, A.; Weidler, P. G.; Richards, B. S.; Schäfer, A. I.
2023. Chemical Engineering Journal, 451, Art.-Nr.: 138449. doi:10.1016/j.cej.2022.138449

2022

Expanding the Angle of Incidence Tolerance of Unclonable Anticounterfeiting Labels Based on Microlens Arrays and Luminescent Microparticles
Kumar, V.; Dottermusch, S.; Chauhan, A.; Richards, B. S.; Howard, I. A.
2022. Advanced Photonics Research, 3 (6), Art.-Nr.: 2100202. doi:10.1002/adpr.202100202

Renewable energy powered membrane technology: Energy consumption analysis of ultrafiltration backwash configurations
Li, S.; Milia, M.; Schäfer, A. I.; Richards, B. S.
2022. Separation and Purification Technology, 287, Art.-Nr.: 120388. doi:10.1016/j.seppur.2021.120388

Frontiers in Photonics Spot Light
Anvari, B.; De Angelis, C.; Huang, S.; Litchinitser, N.; Poon, T.-C.; Scalari, G.; Richards, B. S.; Peccianti, M.
2022. Frontiers in Photonics, 3, Art.-Nr.: 853456. doi:10.3389/fphot.2022.853456

Correlative In Situ Multichannel Imaging for Large-Area Monitoring of Morphology Formation in Solution-Processed Perovskite Layers
Ternes, S.; Laufer, F.; Scharfer, P.; Schabel, W.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2022. Solar RRL, 6 (3), Art.-Nr. 2100353. doi:10.1002/solr.202100353

Noble-metal-free photosensitizers for continuous-flow photochemical oxidation of steroid hormone micropollutants under sunlight
Lyubimenko, R.; Richards, B. S.; Schäfer, A. I.; Turshatov, A.
2022. Journal of membrane science, 642, Art.-Nr. 119981. doi:10.1016/j.memsci.2021.119981

Limitation of room temperature phosphorescence efficiency in metal organic frameworks due to triplet-triplet annihilation
Zhao, T.; Busko, D.; Richards, B. S.; Howard, I. A.
2022. Frontiers in Chemistry, 10, Art.-Nr.: 1010857. doi:10.3389/fchem.2022.1010857

Scalable two-terminal all-perovskite tandem solar modules with a 19.1% efficiency
Abdollahi Nejand, B.; Ritzer, D. B.; Hu, H.; Schackmar, F.; Moghadamzadeh, S.; Feeney, T.; Singh, R.; Laufer, F.; Schmager, R.; Azmi, R.; Kaiser, M.; Abzieher, T.; Gharibzadeh, S.; Ahlswede, E.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2022. Nature Energy, 7, 620–630. doi:10.1038/s41560-022-01059-w

Charge Carrier and Exciton Dynamics in Perovskites Revealed by Time‐Integrated Photoluminescence after Double‐Pulse Excitation
Kaiser, M.; Li, Y.; Gharibzadeh, S.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.
2022. Advanced Materials Technologies, 7 (11), Art.Nr.: 2200152. doi:10.1002/admt.202200152

Unclonable Anti-Counterfeiting Labels Based on Microlens Arrays and Luminescent Microparticles
Kumar, V.; Dottermusch, S.; Katumo, N.; Chauhan, A.; Richards, B. S.; Howard, I. A.
2022. Advanced Optical Materials, 10 (9), Art.-Nr.: 2102402. doi:10.1002/adom.202102402

Dual-color dynamic anti-counterfeiting labels with persistent emission after visible excitation allowing smartphone authentication
Katumo, N.; Li, K.; Richards, B. S.; Howard, I. A.
2022. Scientific reports, 12 (1), Art.Nr.: 2100. doi:10.1038/s41598-022-05885-6

Cubic versus hexagonal - phase, size and morphology effects on the photoluminescence quantum yield of NaGdF $_{4}$ :Er $^{3 +}$ /Yb $^{3 +}$ upconverting nanoparticles
Quintanilla, M.; Hemmer, E.; Marques-Hueso, J.; Rohani, S.; Lucchini, G.; Wang, M.; Zamani, R. R.; Roddatis, V.; Speghini, A.; Richards, B. S.; Vetrone, F.
2022. Nanoscale, 14 (4), 1492–1504. doi:10.1039/d1nr06319g

BODIPY–pyrene donor–acceptor sensitizers for triplet–triplet annihilation upconversion: the impact of the BODIPY-core on upconversion efficiency
Kiseleva, N.; Filatov, M. A.; Fischer, J. C.; Kaiser, M.; Jakoby, M.; Busko, D.; Howard, I. A.; Richards, B. S.; Turshatov, A.
2022. Physical chemistry, chemical physics, 24 (6), 3568–3578. doi:10.1039/d1cp05382e

Consensus statement: Standardized reporting of power-producing luminescent solar concentrator performance
Yang, C.; Atwater, H. A.; Baldo, M. A.; Baran, D.; Barile, C. J.; Barr, M. C.; Bates, M.; Bawendi, M. G.; Bergren, M. R.; Borhan, B.; Brabec, C. J.; Brovelli, S.; Bulović, V.; Ceroni, P.; Debije, M. G.; Delgado-Sanchez, J.-M.; Dong, W.-J.; Duxbury, P. M.; Evans, R. C.; Forrest, S. R.; Gamelin, D. R.; Giebink, N. C.; Gong, X.; Griffini, G.; Guo, F.; Herrera, C. K.; Ho-Baillie, A. W. Y.; Holmes, R. J.; Hong, S.-K.; Kirchartz, T.; Levine, B. G.; Li, H.; Li, Y.; Liu, D.; Loi, M. A.; Luscombe, C. K.; Makarov, N. S.; Mateen, F.; Mazzaro, R.; McDaniel, H.; McGehee, M. D.; Meinardi, F.; Menéndez-Velázquez, A.; Min, J.; Mitzi, D. B.; Moemeni, M.; Moon, J. H.; Nattestad, A.; Nazeeruddin, M. K.; Nogueira, A. F.; Paetzold, U. W.; Patrick, D. L.; Pucci, A.; Rand, B. P.; Reichmanis, E.; Richards, B. S.; Roncali, J.; Rosei, F.; Schmidt, T. W.; So, F.; Tu, C.-C.; Vahdani, A.; Sark, W. G. J. H. M.; Verduzco, R.; Vomiero, A.; Wong, W. W. H.; Wu, K.; Yip, H.-L.; Zhang, X.; Zhao, H.; Lunt, R. R.
2022. Joule, 6 (1), 8–15. doi:10.1016/j.joule.2021.12.004

Perovskite Solar Cells with Vivid, Angle‐Invariant and Customizable Inkjet‐printed Colorization for Building‐Integrated Photovoltaics
Eggers, H.; Gharibzadeh, S.; Koch, S.; Schackmar, F.; Ritzer, D.; Abzieher, T.; Richards, B. S.; Erban, C.; Paetzold, U. W.
2022. Solar RRL, 6 (4), Art.-Nr.: 2100897. doi:10.1002/solr.202100897

Light Management for Enhancing Optical Gain in a Solar‐Pumped Fiber Laser Employing a Solid‐State Luminescent Solar Concentrator
Masuda, T.; Aoyagi, K.; Dottermusch, S.; Howard, I. A.; Richards, B. S.; Endo, M.
2022. Advanced photonics research, 3 (2), Art.Nr.: 2100214. doi:10.1002/adpr.202100214

Single crystal monolithic up-converter solar cell device tandems with integrated optics
Arnaoutakis, G.; Favilla, E.; Tonelli, M.; Richards, B.
2022. Journal of the Optical Society of America / B, 39 (1), 239–247. doi:10.1364/JOSAB.437892

Influence of Wind Speed on Volcano Ash Removal From Self-Cleaning Cover Films Dedicated for Photovoltaics
Roslizar, A.; Taddeucci, J.; Paetzold, U. W.; Hölscher, H.; Richards, B. S.
2022. IEEE journal of photovoltaics, 12 (1), 453–460. doi:10.1109/JPHOTOV.2021.3117913

2021

Experimental validation of a modeling framework for upconversion enhancement in 1D-photonic crystals
Hofmann, C. L. M.; Fischer, S.; Eriksen, E. H.; Bläsi, B.; Reitz, C.; Yazicioglu, D.; Howard, I. A.; Richards, B. S.; Goldschmidt, J. C.
2021. Nature Communications, 12 (1), Aricle no: 104. doi:10.1038/s41467-020-20305-x

Interface Pattern Engineering in Core-Shell Upconverting Nanocrystals: Shedding Light on Critical Parameters and Consequences for the Photoluminescence Properties
Hudry, D.; De Backer, A.; Popescu, R.; Busko, D.; Howard, I. A.; Bals, S.; Zhang, Y.; Pedrazo-Tardajos, A.; Van Aert, S.; Gerthsen, D.; Altantzis, T.; Richards, B. S.
2021. Small, 17 (47), Art.-Nr. 2104441. doi:10.1002/smll.202104441

Photodegradation of steroid-hormone micropollutants in a flow-through membrane reactor coated with Pd(II)-porphyrin
Lyubimenko, R.; Gutierrez Cardenas, O. I.; Turshatov, A.; Richards, B. S.; Schäfer, A. I.
2021. Applied catalysis / B, 291, Art.-Nr.: 120097. doi:10.1016/j.apcatb.2021.120097

Photodegradation of Triple-Cation Perovskite Solar Cells: The Role of Spectrum and Bias Conditions
Farooq, A.; Khan, M. R.; Abzieher, T.; Voigt, A.; Lupascu, D. C.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2021. ACS applied energy materials, 4 (4), 3083–3092. doi:10.1021/acsaem.0c02813

Phase evolution during annealing of low-temperature co-evaporated precursors for CZTSe solar cell absorbers
Mwakyusa, L. P.; Jin, X.; Müller, E.; Schneider, R.; Gerthsen, D.; Rinke, M.; Paetzold, U. W.; Richards, B. S.; Hetterich, M.
2021. Journal of applied physics, 129 (15), Article no: 153104. doi:10.1063/5.0041320

Rare-earth coordination polymers with multimodal luminescence on the nano-, micro-, and milli-second time scales
Jakoby, M.; Beil, C.; Nazari, P.; Richards, B. S.; Seitz, M.; Turshatov, A.; Howard, I. A.
2021. iScience, 24 (3), Art. Nr.: 102207. doi:10.1016/j.isci.2021.102207

Ratiometric Luminescent Thermometry with Excellent Sensitivity over a Broad Temperature Range Utilizing Thermally‐Assisted and Multiphoton Upconversion in Triply‐Doped La₂O₃:Yb³⁺/Er³⁺/Nd³⁺
Gao, G.; Busko, D.; Katumo, N.; Joseph, R.; Madirov, E.; Turshatov, A.; Howard, I. A.; Richards, B. S.
2021. Advanced optical materials, 9 (5), Art.-Nr.: 2001901. doi:10.1002/adom.202001901

Perovskite Solar Cells with All-Inkjet-Printed Absorber and Charge Transport Layers
Schackmar, F.; Eggers, H.; Frericks, M.; Richards, B. S.; Lemmer, U.; Hernandez-Sosa, G.; Paetzold, U. W.
2021. Advanced materials technologies, 6 (2), Art.Nr. 2000271. doi:10.1002/admt.202000271

Method for accurate experimental determination of singlet and triplet exciton diffusion between thermally activated delayed fluorescence molecules
Jakoby, M.; Heidrich, S.; Graf von Reventlow, L.; Degitz, C.; Suresh, S. M.; Zysman-Colman, E.; Wenzel, W.; Richards, B. S.; Howard, I. A.
2021. Chemical science, 12 (3), 1121–1125. doi:10.1039/d0sc05190j

Drying and Coating of Perovskite Thin Films: How to Control the Thin Film Morphology in Scalable Dynamic Coating Systems
Ternes, S.; Mohacsi, J.; Lüdtke, N.; Pham, H. M.; Arslan, M.; Scharfer, P.; Schabel, W.; Richards, B. S.; Paetzold, U. W.
2021. ACS Applied Materials and Interfaces, 14 (9), 11300–11312. doi:10.1021/acsami.1c22363

Optimization of SnO $_{2}$ electron transport layer for efficient planar perovskite solar cells with very low hysteresis†
Eliwi, A. A.; Malekshahi Byranvand, M.; Fassl, P.; Khan, M. R.; Hossain, I. M.; Frericks, M.; Ternes, S.; Abzieher, T.; Schwenzer, J. A.; Mayer, T.; Hofmann, J. P.; Richards, B. S.; Lemmer, U.; Saliba, M.; Paetzold, U. W.
2021. Materials advances, 3 (1), 456–466. doi:10.1039/d1ma00585e

Interpreting the Time-Resolved Photoluminescence of Quasi-2D Perovskites
Kaiser, M.; Li, Y.; Allegro, I.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.
2021. Advanced Materials Interfaces, 8 (24), Art.-Nr.: 2101326. doi:10.1002/admi.202101326

Elucidating the role of metal-ion co-doping towards boosting upconversion luminescence in gadolinium vanadate
Chauhan, A.; Kataria, S.; Busko, D.; Cardona, F. A.; Turshatov, A.; Richards, B. S.
2021. Journal of materials chemistry / C, 9 (46), 16709–16720. doi:10.1039/D1TC03205D

Harvesting Sub-bandgap Photons via Upconversion for Perovskite Solar Cells
Singh, R.; Madirov, E.; Busko, D.; Hossain, I. M.; Konyushkin, V. A.; Nakladov, A. N.; Kuznetsov, S. V.; Farooq, A.; Gharibzadeh, S.; Paetzold, U. W.; Richards, B. S.; Turshatov, A.
2021. ACS applied materials & interfaces, 13 (46), 54874–54883. doi:10.1021/acsami.1c13477

Upscaling of perovskite solar modules: The synergy of fully evaporated layer fabrication and all‐laser‐scribed interconnections
Ritzer, D. B.; Abzieher, T.; Basibüyük, A.; Feeney, T.; Laufer, F.; Ternes, S.; Richards, B. S.; Bergfeld, S.; Paetzold, U. W.
2021. Progress in photovoltaics, 30 (4), 360–373. doi:10.1002/pip.3489

„Tracer-Based-Sorting“ in der Verpackungs-Abfallwirtschaft
Woidasky, J.; Auer, M.; Schmidt, J.; Kusch, A.; Gasde, J.; Lang-Koetz, C.; Wiethoff, S.; Sander, I.; Schau, A.; Richards, B. S.; Turshatov, A.; Busko, D.; Treick, A.; Wendler, P.; Kirchenbauer, D.; Wacker, D.; Fuchs, F.; Moesslein, J.
2021. Müll und Abfall, (7), 5–13. doi:10.37307/j.1863-9763.2021.07.05

Coordination mechanism of cyanine dyes on the surface of core@active shell β-NaGdF $_{4}$ :Yb $^{3 +}$ ,Er $^{3 +}$ nanocrystals and its role in enhancing upconversion luminescence
Beygi Nasrabadi, H.; Madirov, E.; Popescu, R.; Štacková, L.; Štacko, P.; Klán, P.; Richards, B. S.; Hudry, D.; Turshatov, A.
2021. Journal of materials chemistry / C, 9 (45), 16313–16323. doi:10.1039/d1tc03333f

Photon Upconversion for Photovoltaics and Photocatalysis: A Critical Review – Focus Review
Richards, B. S.; Hudry, D.; Busko, D.; Turshatov, A.; Howard, I. A.
2021. Chemical reviews, 121 (15), 9165–9195. doi:10.1021/acs.chemrev.1c00034

Exciton versus free carrier emission: Implications for photoluminescence efficiency and amplified spontaneous emission thresholds in quasi-2D and 3D perovskites
Li, Y.; Allegro, I.; Kaiser, M.; Malla, A. J.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.; Howard, I. A.
2021. Materials Today, 49, 35–47. doi:10.1016/j.mattod.2021.05.002

Anticounterfeiting Labels with Smartphone‐Readable Dynamic Luminescent Patterns Based on Tailored Persistent Lifetimes in Gd $_{2}$ O $_{2}$ S:Eu $^{3 +}$ /Ti $^{4 +}$
Katumo, N.; Ruiz-Preciado, L. A.; Kumar, V.; Hernandez-Sosa, G.; Richards, B. S.; Howard, I. A.
2021. Advanced materials technologies, 6 (7), Art.-Nr.: 2100047. doi:10.1002/admt.202100047

Solar Pumping of Fiber Lasers with Solid-State Luminescent Concentrators: Design Optimization by Ray Tracing
Dottermusch, S.; Masuda, T.; Endo, M.; Richards, B. S.; Howard, I. A.
2021. Advanced Optical Materials, 9 (12), Art.-Nr.: 2100479. doi:10.1002/adom.202100479

Revealing the internal luminescence quantum efficiency of perovskite films via accurate quantification of photon recycling
Fassl, P.; Lami, V.; Berger, F. J.; Falk, L. M.; Zaumseil, J.; Richards, B. S.; Howard, I. A.; Vaynzof, Y.; Paetzold, U. W.
2021. Matter, 4 (4), 1391–1412. doi:10.1016/j.matt.2021.01.019

Interplay of structural dynamics and electronic effects in an engineered assembly of pentacene in a metal–organic framework
Haldar, R.; Kozlowska, M.; Ganschow, M.; Ghosh, S.; Jakoby, M.; Chen, H.; Ghalami, F.; Xie, W.; c; Tsutsui, Y.; Freudenberg, J.; Seki, S.; Howard, I. A.; Richards, B. S.; Bunz, U. H. F.; Elstner, M.; Wenzel, W.; Wöll, C.
2021. Chemical science, 12 (12), 4477–4483. doi:10.1039/d0sc07073d

How free exciton-exciton annihilation lets bound exciton emission dominate the photoluminescence of 2D-perovskites under high-fluence pulsed excitation at cryogenic temperatures
Kaiser, M.; Li, Y.; Schwenzer, J.; Jakoby, M.; Allegro, I.; Gerhard, M.; Koch, M.; Ducinskas, A.; Richards, B. S.; Graetzel, M.; Milić, J. V.; Paetzold, U. W.; Howard, I. A.
2021. Journal of Applied Physics, 129 (12), Art.-Nr.: 123101. doi:10.1063/5.0037800

An up-conversion luminophore with high quantum yield and brightness based on BaF $_{2}$ :Yb $^{3 +}$ ,Er $^{3 +}$ single crystals
Madirov, E. I.; Konyushkin, V. A.; Nakladov, A. N.; Fedorov, P. P.; Bergfeldt, T.; Busko, D.; Howard, I. A.; Richards, B. S.; Kuznetsov, S. V.; Turshatov, A.
2021. Journal of materials chemistry / C, 9 (10), 3493–3503. doi:10.1039/d1tc00104c

Bimolecular and Auger Recombination in Phase-Stable Perovskite Thin Films from Cryogenic to Room Temperature and Their Effect on the Amplified Spontaneous Emission Threshold
Allegro, I.; Li, Y.; Richards, B. S.; Paetzold, U. W.; Lemmer, U.; Howard, I. A.
2021. The journal of physical chemistry letters, 12 (9), 2293–2298. doi:10.1021/acs.jpclett.1c00099

Renewable Energy Powered Membrane Technology: Electrical Energy Storage Options for a Photovoltaic-Powered Brackish Water Desalination System
Li, S.; Carvalho, A. P. S. G. de; Schäfer, A. I.; Richards, B. S.
2021. Applied Sciences, 11 (2), Art.-Nr.: 856. doi:10.3390/app11020856

Bright constant color upconversion based on dual 980 and 1550 nm excitation of SrF $_{2}$ :Yb $^{3 +}$ , Er $^{3 +}$ and β-NaYF $_{4}$ :Yb $^{3 +}$ , Er $^{3 +}$ micropowders― considerations for persistence of vision displays
Joseph, R. E.; Hudry, D.; Busko, D.; Biner, D.; Turshatov, A.; Krämer, K.; Richards, B. S.; Howard, I. A.
2021. Optical materials, 111, Art.Nr. 110598. doi:10.1016/j.optmat.2020.110598

Renewable energy powered membrane technology: System resilience under solar irradiance fluctuations during the treatment of fluoride-rich natural waters by different nanofiltration/reverse osmosis membranes
Boussouga, Y.-A.; Richards, B. S.; Schäfer, A. I.
2021. Journal of membrane science, 617, Art. Nr.: 118452. doi:10.1016/j.memsci.2020.118452

2020

Tuning Optical Properties by Controlled Aggregation: Electroluminescence Assisted by Thermally‐Activated Delayed Fluorescence from Thin Films of Crystalline Chromophores
Wöll, C.; Haldar, R.; Jakoby, M.; Kozlowska, M.; Khan, M. R.; Chen, H.; Pramudya, Y.; Richards, B. S.; Heinke, L.; Wenzel, W.; Odobel, F.; Diring, S.; Howard, I. A.; Lemmer, U.
2020. Chemistry - a European journal, 26 (71), 17016–17020. doi:10.1002/chem.202003712

A fully planar solar pumped laser based on a luminescent solar collector
Masuda, T.; Iyoda, M.; Yasumatsu, Y.; Dottermusch, S.; Howard, I. A.; Richards, B. S.; Bisson, J.-F.; Endo, M.
2020. Communications Physics, 3 (1), Article No. 60. doi:10.1038/s42005-020-0326-2

Crystalline assembly of perylene in metal–organic framework thin film: J-aggregate or excimer? Insight into the electronic structure
Kozlowska, M.; Pramudya, Y.; Jakoby, M.; Heidrich, S.; Pan, L.; Richards, B.; Howard, I.; Woell, C.; Haldar, R.; Wenzel, W.
2020. Journal of physics / Condensed matter, 33 (3), Art.Nr. 034001. doi:10.1088/1361-648X/abbc34

Phonon density of states in lanthanide-based nanocrystals
Li, Z. H.; Hudry, D.; Heid, R.; Said, A. H.; Le, M. D.; Popescu, R.; Gerthsen, D.; Merz, M.; Krämer, K. W.; Busko, D.; Howard, I. A.; Richards, B. S.; Weber, F.
2020. Physical review / B, 102 (16), Art.-Nr.: 165409. doi:10.1103/PhysRevB.102.165409

Inorganic fluorescent marker materials for identification of post-consumer plastic packaging
Woidasky, J.; Sander, I.; Schau, A.; Moesslein, J.; Wendler, P.; Wacker, D.; Gao, G.; Kirchenbauer, D.; Kumar, V.; Busko, D.; Howard, I. A.; Richards, B. S.; Turshatov, A.; Wiethoff, S.; Lang-Koetz, C.
2020. Resources, conservation and recycling, 161, Article no: 104976. doi:10.1016/j.resconrec.2020.104976

Impact of silver incorporation at the back contact of Kesterite solar cells on structural and device properties
Mwakyusa, L. P.; Leist, L.; Rinke, M.; Welle, A.; Paetzold, U. W.; Richards, B. S.; Hetterich, M.
2020. Thin solid films, 709, Art.-Nr. 138223. doi:10.1016/j.tsf.2020.138223

Hot-embossed microcone-textured fluoropolymer as self-cleaning and anti-reflective photovoltaic module covers
Roslizar, A.; Dottermusch, S.; Schmager, R.; Guttmann, M.; Gomard, G.; Hölscher, H.; Richards, B. S.; Paetzold, U. W.
2020. Solar energy materials & solar cells, 214, 110582. doi:10.1016/j.solmat.2020.110582

Determination of Upconversion Quantum Yields Using Charge-Transfer State Fluorescence of Heavy-Atom-Free Sensitizer as a Self-Reference
Kiseleva, N.; Busko, D.; Richards, B. S.; Filatov, M. A.; Turshatov, A.
2020. The journal of physical chemistry letters, 11 (16), 6560–6566. doi:10.1021/acs.jpclett.0c01902

2D/3D Heterostructure for Semitransparent Perovskite Solar Cells with Engineered Bandgap Enables Efficiencies Exceeding 25% in Four‐Terminal Tandems with Silicon and CIGS
Gharibzadeh, S.; Hossain, I. M.; Fassl, P.; Nejand, B. A.; Abzieher, T.; Schultes, M.; Ahlswede, E.; Jackson, P.; Powalla, M.; Schäfer, S.; Rienäcker, M.; Wietler, T.; Peibst, R.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2020. Advanced functional materials, 30 (19), Art. Nr.: 1909919. doi:10.1002/adfm.201909919

Determination of complex optical constants and photovoltaic device design of all-inorganic CsPbBr₃ perovskite thin films
Yan, W.; Mao, L.; Zhao, P.; Mertens, A.; Dottermusch, S.; Hu, H.; Jin, Z.; Richards, B. S.
2020. Optics express, 28 (10), 15706–15717. doi:10.1364/OE.392246

Energy yield of bifacial textured perovskite/silicon tandem photovoltaic modules
Lehr, J.; Langenhorst, M.; Schmager, R.; Gota, F.; Kirner, S.; Lemmer, U.; Richards, B. S.; Case, C.; Paetzold, U. W.
2020. Solar energy materials & solar cells, 208, 110367. doi:10.1016/j.solmat.2019.110367

Separation and degradation detection of nanogram-per-litre concentrations of radiolabelled steroid hormones using combined liquid chromatography and flow scintillation analysis
Lyubimenko, R.; Richards, B. S.; Turshatov, A.; Schäfer, A. I.
2020. Scientific reports, 10 (1), Article: 7095. doi:10.1038/s41598-020-63697-y

Flexible Inkjet-Printed Triple Cation Perovskite X-ray Detectors
Mescher, H.; Schackmar, F.; Eggers, H.; Abzieher, T.; Zuber, M.; Hamann, E.; Baumbach, T.; Richards, B. S.; Hernandez-Sosa, G.; Paetzold, U. W.; Lemmer, U.
2020. ACS applied materials & interfaces, 12 (13), 15774–15784. doi:10.1021/acsami.9b14649

Renewable energy powered membrane technology: Energy buffering control system for improved resilience to periodic fluctuations of solar irradiance
Li, S.; Voigt, A.; Schäfer, A. I.; Richards, B. S.
2020. Renewable energy, 149, 877–889. doi:10.1016/j.renene.2019.12.033

Nanostructured front electrodes for perovskite/c-Si tandem photovoltaics
Hossain, I. M.; Donie, Y. J.; Schmager, R.; Abdelkhalik, M. S.; Rienäcker, M.; Wietler, T. F.; Peibst, R.; Karabanov, A.; Schwenzer, J. A.; Moghadamzadeh, S.; Lemmer, U.; Richards, B. S.; Gomard, G.; Paetzold, U. W.
2020. Optics express, 28 (6), 8878–8897. doi:10.1364/OE.382253

Inkjet‐Printed Micrometer‐Thick Perovskite Solar Cells with Large Columnar Grains
Eggers, H.; Schackmar, F.; Abzieher, T.; Sun, Q.; Lemmer, U.; Vaynzof, Y.; Richards, B. S.; Hernandez-Sosa, G.; Paetzold, U. W.
2020. Advanced energy materials, 10 (6), Art. Nr.: 1903184. doi:10.1002/aenm.201903184

Chemical vapor deposited polymer layer for efficient passivation of planar perovskite solar cells
Malekshahi Byranvand, M.; Behboodi-Sadabad, F.; Alrhman Eliwi, A.; Trouillet, V.; Welle, A.; Ternes, S.; Hossain, I. M.; Khan, M. R.; Schwenzer, J. A.; Farooq, A.; Richards, B. S.; Lahann, J.; Paetzold, U. W.
2020. Journal of materials chemistry / A, 8 (38), 20122–20132. doi:10.1039/d0ta06646j

Guest-responsive polaritons in a porous framework: chromophoric sponges in optical QED cavities
Haldar, R.; Fu, Z.; Joseph, R.; Herrero, D.; Martín-Gomis, L.; Richards, B. S.; Howard, I. A.; Sastre-Santos, A.; Wöll, C.
2020. Chemical science, 11 (30), 7972–7978. doi:10.1039/d0sc02436h

Correction: Guest-responsive polaritons in a porous framework: chromophoric sponges in optical QED cavities
Haldar, R.; Fu, Z.; Joseph, R.; Herrero, D.; Martín-Gomis, L.; Richards, B. S.; Howard, I. A.; Sastre-Santos, Á.; Wöll, C.
2020. Chemical science, 11 (32), 8626. doi:10.1039/d0sc90163f

Enhancing Singlet Oxygen Generation in Conjugates of Silicon Nanocrystals and Organic Photosensitizers
Beri, D.; Jakoby, M.; Busko, D.; Richards, B. S.; Turshatov, A.
2020. Frontiers in Chemistry, 8, Article no: 567. doi:10.3389/fchem.2020.00567

Smartphone‐Based Luminescent Thermometry via Temperature‐Sensitive Delayed Fluorescence from Gd $_{0}$ O $_{2}$ S:Eu $^{3 +}$
Katumo, N.; Gao, G.; Laufer, F.; Richards, B. S.; Howard, I. A.
2020. Advanced optical materials, 8 (19), Art.Nr. 2000507. doi:10.1002/adom.202000507

Toward Stable Perovskite Solar Cell Architectures: Robustness against Temperature Variations of Real-World Conditions
Schwenzer, J. A.; Rakocevic, L.; Abzieher, T.; Rueda-Delgado, D.; Moghadamzadeh, S.; Gharibzadeh, S.; Hossain, I. M.; Gehlhaar, R.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2020. IEEE journal of photovoltaics, 10 (3), 777–784. doi:10.1109/JPHOTOV.2020.2969785

Experimental Determination of Complex Optical Constants of Air-Stable Inorganic CsPbI₃ Perovskite Thin Films
Yan, W.; Guo, Y.; Beri, D.; Dottermusch, S.; Chen, H.; Richards, B. S.
2020. Physica status solidi / Rapid research letters, 14 (6), Art.-Nr.: 2000070. doi:10.1002/pssr.202000070

Sensitizing TADF Absorption Using Variable Length Oligo(phenylene ethynylene) Antennae
Franco, O.; Jakoby, M.; Schneider, R. V.; Hundemer, F.; Hahn, D.; Richards, B. S.; Bräse, S.; Meier, M. A. R.; Lemmer, U.; Howard, I. A.
2020. Frontiers in Chemistry, 8, Art.-Nr.: 126. doi:10.3389/fchem.2020.00126

Photocatalytic degradation of organic dye via atomic layer deposited TiO2 on ceramic membranes in single-pass flow-through operation
Berger, T. E.; Regmi, C.; Schäfer, A. I.; Richards, B. S.
2020. Journal of membrane science, 604, 118015. doi:10.1016/j.memsci.2020.118015

Lanthanide Sensitizers for Large Anti-Stokes Shift Near-Infrared-to-Visible Triplet–Triplet Annihilation Photon Upconversion
Kiseleva, N.; Nazari, P.; Dee, C.; Busko, D.; Richards, B. S.; Seitz, M.; Howard, I. A.; Turshatov, A.
2020. The journal of physical chemistry letters, 11, 2477–2481. doi:10.1021/acs.jpclett.0c00221

Upconversion properties of SrF₂:Yb³⁺,Er³⁺ single crystals
Saleta Reig, D.; Grauel, B.; Konyushkin, V. A.; Fedorov, P. P.; Busko, D.; Howard, I. A.; Richards, B. S.; Resch-Genger, U.; Kuznetsov, S.; Turshatov, A.; Würth, C.
2020. Journal of materials chemistry / C, 8 (12), 4093–4101. doi:10.1039/C9TC06591A

Improved photon absorption in dye-functionalized silicon nanocrystals synthesized via microwave-assisted hydrosilylation
Beri, D.; Jakoby, M.; Howard, I. A.; Busko, D.; Richards, B. S.; Turshatov, A.
2020. Dalton transactions, 49 (7), 2290–2299. doi:10.1039/C9DT04497C

High Efficiency Perovskite‐Silicon Tandem Solar Cells: Effect of Surface Coating versus Bulk Incorporation of 2D Perovskite
Duong, T.; Pham, H.; Kho, T. C.; Phang, P.; Fong, K. C.; Yan, D.; Yin, Y.; Peng, J.; Mahmud, M. A.; Gharibzadeh, S.; Nejand, B. A.; Hossain, I. M.; Khan, M. R.; Mozaffari, N.; Wu, Y.; Shen, H.; Zheng, J.; Mai, H.; Liang, W.; Samundsett, C.; Stocks, M.; McIntosh, K.; Andersson, G. G.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.; Ho-Ballie, A.; Liu, Y.; Macdonald, D.; Blakers, A.; Wong-Leung, J.; White, T.; Weber, K.; Catchpole, K.
2020. Advanced energy materials, 10 (9), Art. Nr.: 1903553. doi:10.1002/aenm.201903553

High-brightness Perovskite Light-emitting Diodes Using a Printable Silver Microflake Contact
Payandeh, M.; Ahmadi, V.; Arabpour Roghabadi, F.; Nazari, P.; Ansari, F.; Brenner, P.; Baeuerle, R.; jakoby, marius; Lemmer, U.; Howard, I. A.; Richards, B. S.; Paetzold, U. W.; Abdollahi Nejand, B.
2020. ACS applied materials & interfaces, 12 (10), 11428–11437. doi:10.1021/acsami.9b18527

Laminated Perovskite Photovoltaics: Enabling Novel Layer Combinations and Device Architectures
Schmager, R.; Roger, J.; Schwenzer, J. A.; Schackmar, F.; Abzieher, T.; Malekshahi Byranvand, M.; Abdollahi Nejand, B.; Worgull, M.; Richards, B. S.; Paetzold, U. W.
2020. Advanced functional materials, 30 (9), Art. Nr.: 1907481. doi:10.1002/adfm.201907481

Solution-processed and evaporated C $_{60}$ interlayers for improved charge transport in perovskite photovoltaics
Rueda-Delgado, D.; Hossain, I. M.; Jakoby, M.; Schwenzer, J. A.; Abzieher, T.; Howard, I. A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2020. Organic electronics, 77, Article: 105526. doi:10.1016/j.orgel.2019.105526

Vacuum‐Assisted Growth of Low‐Bandgap Thin Films (FA $_{0.8}$ MA $_{0.2}$ Sn $_{0.5}$ Pb $_{0.5}$ I $_{3}$ ) for All‐Perovskite Tandem Solar Cells
Abdollahi Nejand, B.; Hossain, I. M.; Jakoby, M.; Moghadamzadeh, S.; Abzieher, T.; Gharibzadeh, S.; Schwenzer, J. A.; Nazari, P.; Schackmar, F.; Hauschild, D.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2020. Advanced energy materials, 10 (5), Article: 1902583. doi:10.1002/aenm.201902583

2019

A de novo strategy for predictive crystal engineering to tune excitonic coupling
Haldar, R.; Mazel, A.; Krstić, M.; Zhang, Q.; Jakoby, M.; Howard, I. A.; Richards, B. S.; Jung, N.; Jacquemin, D.; Diring, S.; Wenzel, W.; Odobel, F.; Wöll, C.
2019. Nature Communications, 10 (1), Art.Nr. 2048. doi:10.1038/s41467-019-10011-8

CZTSe solar cells prepared by co-evaporation of multilayer Cu–Sn/Cu,Zn,Sn,Se/ZnSe/Cu,Zn,Sn,Se stacks
Mwakyusa, L. P.; Neuwirth, M.; Kogler, W.; Schnabel, T.; Ahlswede, E.; Paetzold, U. W.; Richards, B. S.; Hetterich, M.
2019. Physica scripta, 94 (10), Artk.Nr.: 105007. doi:10.1088/1402-4896/ab2b16

Micro-cone textures for improved light in-coupling and retroreflection-inspired light trapping at the front surface of solar modules
Dottermusch, S.; Schmager, R.; Klampaftis, E.; Paetel, S.; Kiowski, O.; Ding, K.; Richards, B. S.; Paetzold, U. W.
2019. Progress in photovoltaics, 27 (7), 593–602. doi:10.1002/pip.3133

Coated and Printed Perovskites for Photovoltaic Applications
Howard, I. A.; Abzieher, T.; Hossain, I. M.; Eggers, H.; Schackmar, F.; Ternes, S.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2019. Advanced materials, 31 (26), Art.Nr. 1806702. doi:10.1002/adma.201806702

Structure–Property Relationships in Lanthanide‐Doped Upconverting Nanocrystals: Recent Advances in Understanding Core–Shell Structures
Hudry, D.; Howard, I. A.; Popescu, R.; Gerthsen, D.; Richards, B. S.
2019. Advanced materials, 31 (26), Art.Nr. 1900623. doi:10.1002/adma.201900623

Enhanced Photoluminescence in Quantum Dots–Porous Polymer Hybrid Films Fabricated by Microcellular Foaming
Yu, S.; Fritz, B.; Johnsen, S.; Busko, D.; Richards, B. S.; Hippler, M.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Hölscher, H.; Gomard, G.
2019. Advanced optical materials, 7 (12), Article no: 1900223. doi:10.1002/adom.201900223

Perovskite Solar Cells: Record Open‐Circuit Voltage Wide‐Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure
Gharibzadeh, S.; Abdollahi Nejand, B.; Jakoby, M.; Abzieher, T.; Hauschild, D.; Moghadamzadeh, S.; Schwenzer, J. A.; Brenner, P.; Schmager, R.; Haghighirad, A. A.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2019. Advanced energy materials, 9 (21), 1970079. doi:10.1002/aenm.201970079

Methodology of energy yield modelling of perovskite-based multi-junction photovoltaics
Schmager, R.; Langenhorst, M.; Lehr, J.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2019. Optics express, 27 (8), A507-A523. doi:10.1364/OE.27.00A507

Nanophotonic perovskite layers for enhanced current generation and mitigation of lead in perovskite solar cells
Schmager, R.; Gomard, G.; Richards, B. S.; Paetzold, U. W.
2019. Solar energy materials & solar cells, 192, 65–71. doi:10.1016/j.solmat.2018.12.012

Photovoltaic Devices: Electron‐Beam‐Evaporated Nickel Oxide Hole Transport Layers for Perovskite‐Based Photovoltaics
Abzieher, T.; Moghadamzadeh, S.; Schackmar, F.; Eggers, H.; Sutterlüti, F.; Farooq, A.; Kojda, D.; Habicht, K.; Schmager, R.; Mertens, A.; Azmi, R.; Klohr, L.; Schwenzer, J. A.; Hetterich, M.; Lemmer, U.; Richards, B. S.; Powalla, M.; Paetzold, U. W.
2019. Advanced energy materials, 9 (12), Art.-Nr.: 1970035. doi:10.1002/aenm.201970035

Continuous wave amplified spontaneous emission in phase-stable lead halide perovskites
Brenner, P.; Bar-On, O.; Jakoby, M.; Allegro, I.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Scheuer, J.; Lemmer, U.
2019. Nature Communications, 10 (1), Article-Nr.: 988. doi:10.1038/s41467-019-08929-0

Spontaneous Enhancement of the Stable Power Conversion Efficiency in Perovskite Solar Cells
Moghadamzadeh, S.; Hossain, I.; Jakoby, M.; Abdollahi Nejand, B.; Rueda-Delgado, D.; Schwenzer, J. A.; Gharibzadeh, S.; Abzieher, T.; Khan, M. R.; Haghighirad, A. A.; Howard, I. A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2019. Journal of materials chemistry / A, 8 (2), 670–682. doi:10.1039/C9TA09584E

Facile synthesis of mono-disperse sub-20 nm NaY(WO4)2:Er3+,Yb3+ upconversion nanoparticles: A new choice for nanothermometry
Lin, M.; Xie, L.; Wang, Z.; Richards, B. S.; Gao, G.; Zhong, J.
2019. Journal of materials chemistry / C, 7 (10), 2971–2977. doi:10.1039/c8tc05669b

Perovskite/Hole Transport Layer Interface Improvement by Solvent Engineering of Spiro-OMeTAD Precursor Solution
Taherianfard, H.; Kim, G.-W.; Ebadi, F.; Abzieher, T.; Choi, K.; Paetzold, U. W.; Richards, B. S.; Alrhman Eliwi, A.; Tajabadi, F.; Taghavinia, N.; Malekshahi Byranvand, M.
2019. ACS applied materials & interfaces, acsami.9b10828. doi:10.1021/acsami.9b10828

Investigations of singlet and triplet diffusion in thermally activated delayed-fluorescence emitters: Implications for hyperfluorescence
Jakoby, M.; Richards, B. S.; Lemmer, U.; Howard, I. A.
2019. Physical review / B, 100 (4), Art. Nr.: 045303. doi:10.1103/PhysRevB.100.045303

Critical Power Density: A Metric to Compare the Excitation Power Density Dependence of Photon Upconversion in Different Inorganic Host Materials
Joseph, R. E.; Jiménez, C.; Hudry, D.; Gao, G.; Busko, D.; Biner, D.; Turshatov, A.; Krämer, K.; Richards, B. S.; Howard, I. A.
2019. The journal of physical chemistry <Washington, DC> / A, 123 (31), 6799–6811. doi:10.1021/acs.jpca.9b03851

Liquid glass for photovoltaics: multi-functional front cover glass for solar modules
Langenhorst, M.; Ritzer, D.; Kotz, F.; Risch, P.; Dottermusch, S.; Roslizar, A.; Schmager, R.; Richards, B. S.; Rapp, B. E.; Paetzold, U. W.
2019. ACS applied materials & interfaces, acsami.9b12896. doi:10.1021/acsami.9b12896

Drying Dynamics of Solution‐Processed Perovskite Thin‐Film Photovoltaics: In Situ Characterization, Modeling, and Process Control
Ternes, S.; Börnhorst, T.; Schwenzer, J. A.; Hossain, I. M.; Abzieher, T.; Mehlmann, W.; Lemmer, U.; Scharfer, P.; Schabel, W.; Richards, B. S.; Paetzold, U. W.
2019. Advanced energy materials, 9 (39), Article no: 1901581. doi:10.1002/aenm.201901581

Efficient Photocatalytic Removal of Methylene Blue Using a Metalloporphyrin-Poly(vinylidene fluoride) Hybrid Membrane in a Flow-Through Reactor
Lyubimenko, R.; Busko, D.; Richards, B. S.; Schaefer, A. I.; Turshatov, A.
2019. ACS applied materials & interfaces, 11 (35), 31763–31776. doi:10.1021/acsami.9b04601

Light coupling to quasi-guided modes in nanoimprinted perovskite solar cells
Schmager, R.; Hossain, I. M.; Schackmar, F. R.; Richards, B. S.; Gomard, G.; Paetzold, U. W.
2019. Solar energy materials & solar cells, 201, Art.-Nr.: 110080. doi:10.1016/j.solmat.2019.110080

Renewable energy powered membrane technology: A review of the reliability of photovoltaic-powered membrane system components for brackish water desalination
Li, S.; Cai, Y.-H.; Schäfer, A. I.; Richards, B. S.
2019. Applied energy, 253, Art.-Nr.: 113524. doi:10.1016/j.apenergy.2019.113524

Efficient All-Evaporated pin-Perovskite Solar Cells: A Promising Approach Toward Industrial Large-Scale Fabrication
Abzieher, T.; Schwenzer, J. A.; Moghadamzadeh, S.; Sutterluti, F.; Hossain, I. M.; Pfau, M.; Lotter, E.; Hetterich, M.; Richards, B. S.; Lemmer, U.; Powalla, M.; Paetzold, U. W.
2019. IEEE journal of photovoltaics, 9 (5), 1249–1257. doi:10.1109/JPHOTOV.2019.2920727

An enhanced energy migration strategy in upconverting nanocrystals: Color-tuning with high quantum yield
Hudry, D.; Busko, D.; Popescu, R.; Gerthsen, D.; Howard, I. A.; Richards, B. S.
2019. Journal of materials chemistry / C, 7 (24), 7371–7377. doi:10.1039/c9tc01567a

Light Management: A Key Concept in High-Efficiency Perovskite/Silicon Tandem Photovoltaics
Jacobs, D. A.; Langenhorst, M.; Sahli, F.; Richards, B. S.; White, T. P.; Ballif, C.; Catchpole, K. R.; Paetzold, U. W.
2019. The journal of physical chemistry letters, 10 (11), 3159–3170. doi:10.1021/acs.jpclett.8b03721

Highly Efficient One-Dimensional Triplet Exciton Transport in a Palladium-Porphyrin-Based Surface-Anchored Metal-Organic Framework
Adams, M.; Kozlowska, M.; Baroni, N.; Oldenburg, M.; Ma, R.; Busko, D.; Turshatov, A.; Emandi, G.; Senge, M. O.; Haldar, R.; Wöll, C.; Nienhaus, G. U.; Richards, B. S.; Howard, I. A.
2019. ACS applied materials & interfaces, 11 (17), 15688–15697. doi:10.1021/acsami.9b03079

Efficient Ytterbium Near-Infrared Luminophore Based on a Nondeuterated Ligand
Kruck, C.; Nazari, P.; Dee, C.; Richards, B. S.; Turshatov, A.; Seitz, M.
2019. Inorganic chemistry, 58 (10), 6959–6965. doi:10.1021/acs.inorgchem.9b00548

Renewable energy powered membrane technology: Experimental investigation of system performance with variable module size and fluctuating energy
Shen, J.; Jeihanipour, A.; Richards, B. S.; Schäfer, A. I.
2019. Separation and purification technology, 221, 64–73. doi:10.1016/j.seppur.2019.03.004

Record Open‐Circuit Voltage Wide‐Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure
Gharibzadeh, S.; Abdollahi Nejand, B.; Jakoby, M.; Abzieher, T.; Hauschild, D.; Moghadamzadeh, S.; Schwenzer, J. A.; Brenner, P.; Schmager, R.; Haghighirad, A. A.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2019. Advanced energy materials, 9 (21), Article: 1803699. doi:10.1002/aenm.201803699

Electron-Beam-Evaporated Nickel Oxide Hole Transport Layers for Perovskite-Based Photovoltaics
Abzieher, T.; Moghadamzadeh, S.; Schackmar, F.; Eggers, H.; Sutterlüti, F.; Farooq, A.; Kojda, D.; Habicht, K.; Schmager, R.; Mertens, A.; Azmi, R.; Klohr, L.; Schwenzer, J. A.; Hetterich, M.; Lemmer, U.; Richards, B. S.; Powalla, M.; Paetzold, U. W.
2019. Advanced energy materials, 9 (12), Article no 1802995. doi:10.1002/aenm.201802995

Scalable Processing of Low-Temperature TiO₂ Nanoparticles for High-Efficiency Perovskite Solar Cells
Hossain, I. M.; Hudry, D.; Mathies, F.; Abzieher, T.; Moghadamzadeh, S.; Rueda-Delgado, D.; Schackmar, F.; Bruns, M.; Andriessen, R.; Aernouts, T.; Di Giacomo, F.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.; Hadipour, A.
2019. ACS applied energy materials, 2 (1), 47–58. doi:10.1021/acsaem.8b01567

Exposure-dependent refractive index of Nanoscribe IP-Dip photoresist layers
Dottermusch, S.; Busko, D.; Langenhorst, M.; Paetzold, U. W.; Richards, B. S.
2019. Optics letters, 44 (1), 29. doi:10.1364/OL.44.000029

High Quantum Yield Single-Band Green Upconversion in La₂O₃:Yb³⁺, Ho³⁺ Microcrystals for Anticounterfeiting and Plastic Recycling
Gao, G.; Busko, D.; Joseph, R.; Turshatov, A.; Howard, I. A.; Richards, B. S.
2019. Particle & Particle Systems Characterization, 36 (3), Art.-Nr.: 1800462. doi:10.1002/ppsc.201800462

Self-cleaning performance of superhydrophobic hot-embossed fluoropolymer films for photovoltaic modules
Roslizar, A.; Dottermusch, S.; Vüllers, F.; Kavalenka, M. N.; Guttmann, M.; Schneider, M.; Paetzold, U. W.; Hölscher, H.; Richards, B. S.; Klampaftis, E.
2019. Solar energy materials & solar cells, 189, 188–196. doi:10.1016/j.solmat.2018.09.017

2018

Anisotropic energy transfer in crystalline chromophore assemblies
Haldar, R.; Jakoby, M.; Mazel, A.; Zhang, Q.; Welle, A.; Mohamed, T.; Krolla, P.; Wenzel, W.; Diring, S.; Odobel, F.; Richards, B. S.; Howard, I. A.; Wöll, C.
2018. Nature Communications, 9 (1), Art.Nr. 4332. doi:10.1038/s41467-018-06829-3

Highly Efficient La₂O₃:Yb³⁺,Tm³⁺ Single-Band NIR-to-NIR Upconverting Microcrystals for Anti-Counterfeiting Applications
Gao, G.; Busko, D.; Joseph, R.; Howard, I. A.; Turshatov, A.; Richards, B. S.
2018. ACS applied materials & interfaces, 10 (46), 39851–39859. doi:10.1021/acsami.8b11196

Photocurrent enhancement for ultrathin crystalline silicon solar cells via a bioinspired polymeric nanofur film with high forward scattering
Yan, W.; Huang, Y.; Wang, L.; Vüllers, F.; Kavalenka, M. N.; Hölscher, H.; Dottermusch, S.; Richards, B. S.; Klampaftis, E.
2018. Solar energy materials & solar cells, 186, 105–110. doi:10.1016/j.solmat.2018.06.034

Inkjet-Printed Photoluminescent Patterns of Aggregation-Induced-Emission Chromophores on Surface-Anchored Metal–Organic Frameworks
Baroni, N.; Turshatov, A.; Adams, M.; Dolgopolova, E. A.; Schlisske, S.; Hernandez-Sosa, G.; Wöll, C.; Shustova, N. B.; Richards, B. S.; Howard, I. A.
2018. ACS applied materials & interfaces, 10 (30), 25754–25762. doi:10.1021/acsami.8b05568

A method for correcting the excitation power density dependence of upconversion emission due to laser-induced heating
Joseph, R. E.; Busko, D.; Hudry, D.; Gao, G.; Biner, D.; Krämer, K.; Turshatov, A.; Richards, B. S.; Howard, I. A.
2018. Optical materials, 82, 65–70. doi:10.1016/j.optmat.2018.05.025

Freeform surface invisibility cloaking of interconnection lines in thin-film photovoltaic modules
Langenhorst, M.; Schumann, M. F.; Paetel, S.; Schmager, R.; Lemmer, U.; Richards, B. S.; Wegener, M.; Paetzold, U. W.
2018. Solar energy materials & solar cells, 182, 294–301. doi:10.1016/j.solmat.2018.03.034

Geometrical concentration for enhanced up-conversion: A review of recent results in energy and biomedical applications
Arnaoutakis, G. E.; Richards, B. S.
2018. Optical materials, 83, 47–54. doi:10.1016/j.optmat.2018.05.064

Inkjet-Printed Triple Cation Perovskite Solar Cells
Mathies, F.; Eggers, H.; Richards, B. S.; Hernandez-Sosa, G.; Lemmer, U.; Paetzold, U. W.
2018. ACS Applied Energy Materials, 1 (5), 1834–1839. doi:10.1021/acsaem.8b00222

Temperature Variation-Induced Performance Decline of Perovskite Solar Cells
Schwenzer, J. A.; Rakocevic, L.; Gehlhaar, R.; Abzieher, T.; Gharibzadeh, S.; Moghadamzadeh, S.; Quintilla, A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2018. ACS applied materials & interfaces, 10 (19), 16390–16399. doi:10.1021/acsami.8b01033

Renewable energy-powered membrane technology in Tanzanian communities
Schäfer, A. I.; Shen, J.; Richards, B. S.
2018. npj Clean Water, 1 (1), Art.-Nr.: 24. doi:10.1038/s41545-018-0026-6

Design and Color Flexibility for Inkjet-Printed Perovskite Photovoltaics
Schlisske, S.; Mathies, F.; Busko, D.; Strobel, N.; Rödlmeier, T.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.; Hernandez-Sosa, G.; Klampaftis, E.
2018. ACS applied energy materials, 2 (1), 764–769. doi:10.1021/acsaem.8b01829

Interface disorder in large single- and multi-shell upconverting nanocrystals
Hudry, D.; Popescu, R.; Busko, D.; Diaz-Lopez, M.; Abeykoon, M.; Bordet, P.; Gerthsen, D.; Howard, I. A.; Richards, B. S.
2018. Journal of materials chemistry / C, 2019 (7), 1164–1172. doi:10.1039/C8TC05130E

Energy yield of all thin-film perovskite/CIGS tandem solar modules
Langenhorst, M.; Sautter, B.; Schmager, R.; Lehr, J.; Ahlswede, E.; Powalla, M.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2018. Progress in photovoltaics, 27 (4), 290–298. doi:10.1002/pip.3091

Reaction of porphyrin-based surface-anchored metal-organic frameworks to prolonged illumination
Adams, M.; Baroni, N.; Oldenburg, M.; Kraffert, F.; Behrends, J.; MacQueen, R. W.; Haldar, R.; Busko, D.; Turshatov, A.; Emandi, G.; Senge, M. O.; Wöll, C.; Lips, K.; Richards, B. S.; Howard, I. A.
2018. Physical chemistry, chemical physics, 46, 29142–29151. doi:10.1039/C8CP05254A

Energy yield modelling of perovskite/silicon two-terminal tandem PV modules with flat and textured interfaces
Lehr, J.; Langenhorst, M.; Schmager, R.; Kirner, S.; Lemmer, U.; Richards, B. S.; Case, C.; Paetzold, U. W.
2018. Sustainable energy & fuels, 2018 (2), 2754–2761. doi:10.1039/C8SE00465J

Rigorous wave-optical treatment of photon recycling in thermodynamics of photovoltaics: Perovskite thin-film solar cells
Abebe, M. G.; Abass, A.; Gomard, G.; Zschiedrich, L.; Lemmer, U.; Richards, B. S.; Rockstuhl, C.; Paetzold, U. W.
2018. Physical review / B, 98 (7), Article: 075141. doi:10.1103/PhysRevB.98.075141

Absolute upconversion quantum yields of blue-emitting LiYF4:Yb3+,Tm3+ upconverting nanoparticles
Meijer, M. S.; Rojas-Gutierrez, P. A.; Busko, D.; Howard, I. A.; Frenzel, F.; Würth, C.; Resch-Genger, U.; Richards, B. S.; Turshatov, A.; Capobianco, J. A.; Bonnet, S.
2018. Physical chemistry, chemical physics, 20, 22556–22562. doi:10.1039/C8CP03935F

Upconversion solar cell measurements under real sunlight
Fischer, S.; Ivaturi, A.; Jakob, P.; Krämer, K. W.; Martin-Rodriguez, R.; Meijerink, A.; Richards, B.; Goldschmidt, J. C.
2018. Optical materials, 84, 389–395. doi:10.1016/j.optmat.2018.05.072

Spectral Dependence of Degradation under Ultraviolet Light in Perovskite Solar Cells
Farooq, A.; Hossain, I. M.; Moghadamzadeh, S.; Schwenzer, J. A.; Abzieher, T.; Richards, B. S.; Klampaftis, E.; Paetzold, U. W.
2018. ACS applied materials & interfaces, 10 (26), 21985–21990. doi:10.1021/acsami.8b03024

Up-conversion quantum yields of SrF2:Yb3+,Er3+ sub-micron particles prepared by precipitation from aqueous solution
Kuznetsov, S.; Ermakova, Y.; Voronov, V.; Fedorov, P.; Busko, D.; Howard, I. A.; Richards, B. S.; Turshatov, A.
2018. Journal of materials chemistry / C, 6 (3), 598–604. doi:10.1039/C7TC04913G

Enhancing the photoluminescence of surface anchored metal–organic frameworks: mixed linkers and efficient acceptors
Oldenburg, M.; Turshatov, A.; Busko, D.; Jakoby, M.; Haldar, R.; Chen, K.; Emandi, G.; Senge, M. O.; Wöll, C.; Hodgkiss, J. M.; Richards, B. S.; Howard, I. A.
2018. Physical chemistry, chemical physics, 20 (17), 11564–11576. doi:10.1039/C7CP08452H

Wide-range non-contact fluorescence intensity ratio thermometer based on Yb³⁺/Nd³⁺ co-doped La₂O₃ microcrystals operating from 290 to 1230 K
Gao, G.; Busko, D.; Kauffmann-Weiss, S.; Turshatov, A.; Howard, I. A.; Richards, B. S.
2018. Journal of materials chemistry / C, 6 (15), 4163–4170. doi:10.1039/C8TC00782A

Highly photoluminescent and stable silicon nanocrystals functionalized via microwave-assisted hydrosilylation
Beri, D.; Busko, D.; Mazilkin, A.; Howard, I. A.; Richards, B. S.; Turshatov, A.
2018. RSC Advances, 8 (18), 9979–9984. doi:10.1039/C7RA13577G

Enhanced upconversion in one-dimensional photonic crystals: a simulation-based assessment within realistic material and fabrication constraints
Hofmann, C. L. M.; Eriksen, E. H.; Fischer, S.; Richards, B. S.; Balling, P.; Goldschmidt, J. C.
2018. Optics express, 26 (6), 7537–7554. doi:10.1364/OE.26.007537

The Janus-faced chromophore : A donor-acceptor dyad with dual performance in photon up-conversion
Kiseleva, N.; Filatov, M. A.; Oldenburg, M.; Busko, D.; Jakoby, M.; Howard, I. A.; Richards, B. S.; Senge, M. O.; Borisov, S. M.; Turshatov, A.
2018. Chemical communications, 54 (13), 1607–1610. doi:10.1039/c7cc08930a

2017

Self-Cleaning Microcavity Array for Photovoltaic Modules
Vüllers, F.; Fritz, B.; Roslizar, A.; Striegel, A.; Guttmann, M.; Richards, B. S.; Hölscher, H.; Gomard, G.; Klampaftis, E.; Kavalenka, M. N.
2017. ACS applied materials & interfaces, 10 (3), 2929–2936. doi:10.1021/acsami.7b15579

Direct Evidence of Significant Cation Intermixing in Upconverting Core@Shell Nanocrystals : Toward a New Crystallochemical Model
Hudry, D.; Busko, D.; Popescu, R.; Gerthsen, D.; Abeykoon, A. M. M.; Kübel, C.; Bergfeldt, T.; Richards, B. S.
2017. Chemistry of materials, 29 (21), 9238–9246. doi:10.1021/acs.chemmater.7b03118

Water-Energy Nexus Perspectives in the Context of Photovoltaic-Powered Decentralized Water Treatment Systems : A Tanzanian Case Study
Richards, B. S.; Shen, J.; Schäfer, A. I.
2017. Energy technology, 5 (7), 1112–1123. doi:10.1002/ente.201600728

Scalable perovskite/CIGS thin-film solar module with power conversion efficiency of 17.8%
Paetzold, U. W.; Jaysankar, M.; Gehlhaar, R.; Ahlswede, E.; Paetel, S.; Qiu, W.; Bastos, J.; Rakocevic, L.; Richards, B. S.; Aernouts, T.; Powalla, M.; Poortmans, J.
2017. Journal of materials chemistry / A, 5 (20), 9897–9906. doi:10.1039/C7TA01651D

Co-precipitation synthesis and photoluminescence properties of BaTiF6:Mn4+:an efficient red phosphor for warm white LEDs
Liu, Y.; Gao, G.; Huang, L.; Zhu, Y.; Zhang, X.; Yu, J.; Richards, B. S.; Xuan, T.; Wang, Z.; Wang, J.
2017. Journal of materials chemistry / C, 6 (1), 127–133. doi:10.1039/C7TC04196A

Finely-tuned NIR-to-visible up-conversion in La2O3:Yb3+,Er3+ microcrystals with high quantum yield
Gao, G.; Busko, D.; Kauffmann-Weiss, S.; Turshatov, A.; Howard, I. A.; Richards, B. S.
2017. Journal of materials chemistry / C, 5 (42), 11010–11017. doi:10.1039/C6TC05322J

Triple cation mixed-halide perovskites for tunable lasers
Brenner, P.; Glöckler, T.; Rueda-Delgado, D.; Abzieher, T.; Jakoby, M.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Lemmer, U.
2017. Optical materials express, 7 (11), 4082–4094. doi:10.1364/OME.7.004082

Texture of the Viola Flower for Light Harvesting in Photovoltaics
Schmager, R.; Fritz, B.; Hünig, R.; Ding, K.; Lemmer, U.; Richards, B. S.; Gomard, G.; Paetzold, U. W.
2017. ACS photonics, 2687–2692. doi:10.1021/acsphotonics.7b01153

Excitonically Coupled States in Crystalline Coordination Networks
Haldar, R.; Mazel, A.; Joseph, R.; Adams, M.; Howard, I. A.; Richards, B. S.; Tsotsalas, M.; Redel, E.; Diring, S.; Odobel, F.; Wöll, C.
2017. Chemistry - a European journal, 23 (57), 14316–14322. doi:10.1002/chem.201702968

Monodisperse β-NaYF₄:Yb $^{3 +}$ ,Tm $^{3 +}$ hexagonal microplates with efficient NIR-to-NIR up-conversion emission developed via ion exchange
Fan, S.; Gao, G.; Busko, D.; Lin, Z.; Wang, S.; Wang, X.; Sun, S.; Turshatov, A.; Richards, B. S.; Sun, H.; Hu, L.
2017. Journal of materials chemistry / C, 5 (37), 9770–9777. doi:10.1039/C7TC03373G

Potential of Silicon Phononic Crystals for Photovoltaic Applications
Yan, W.; Richards, B. S.
2017. IEEE journal of photovoltaics, 7 (6), 1503–1510. doi:10.1109/JPHOTOV.2017.2735024

Facile loading of thin-film surface-anchored metal-organic frameworks with Lewis-base guest molecules
Baroni, N.; Turshatov, A.; Oldenburg, M.; Busko, D.; Adams, M.; Haldar, R.; Welle, A.; Redel, E.; Wöll, C.; Richards, B. S.; Howard, I. A.
2017. Materials chemistry frontiers, 1 (9), 1888–1894. doi:10.1039/C7QM00142H

Up-Conversion Fluorescent Labels for Plastic Recycling: A Review
Gao, G.; Turshatov, A.; Howard, I. A.; Busko, D.; Joseph, R.; Hudry, D.; Richards, B. S.
2017. Advanced Sustainable Systems, 1 (5), Art.Nr. 1600033. doi:10.1002/adsu.201600033

Infiltrated photonic crystals for light-trapping in CuInSe₂ nanocrystal-based solar cells
Dottermusch, S.; Quintilla, A.; Gomard, G.; Roslizar, A.; Voggu, V. R.; Simonsen, B. A.; Park, J. S.; Pernik, D. R.; Korgel, B. A.; Paetzold, U. W.; Richards, B. S.
2017. Optics express, 25 (12), A502-A514. doi:10.1364/OE.25.00A502

Photocurrent enhancement of ultrathin front-textured crystalline silicon solar cells by rear-located periodic silver nanoarrays
Yan, W.; Tao, Z.; Gu, M.; Richards, B. S.
2017. Solar energy, 150, 156–160. doi:10.1016/j.solener.2017.04.046

Room-Temperature High-Efficiency Solid-State Triplet-Triplet Annihilation Up-Conversion in Amorphous Poly(olefin sulfone)s
Turshatov, A.; Busko, D.; Kiseleva, N.; Grage, S. L.; Howard, I. A.; Richards, B. S.
2017. ACS applied materials & interfaces, 9 (9), 8280–8286. doi:10.1021/acsami.6b12625

Enhancement of Power Output From a Large-Area Luminescent Solar Concentrator With 4.8 $^{x}$ Concentration via Solar Cell Current Matching
Wilson, L. R.; Klampaftis, E.; Richards, B. S.
2017. IEEE journal of photovoltaics, 7 (3), 802–809. doi:10.1109/JPHOTOV.2017.2668606

2016

Investigation of Host Polymers for Luminescent Solar Concentrators
Zettl, M.; Mayer, O.; Klampaftis, E.; Richards, B. S.
2016. Energy technology, 5 (7), 1037–1044. doi:10.1002/ente.201600498

Hexagonal arrays of round-head silicon nanopillars for surface anti-reflection applications
Yan, W.; Dottermusch, S.; Reitz, C.; Richards, B. S.
2016. Applied physics letters, 109 (14), 143901. doi:10.1063/1.4963912

Bioinspired Superhydrophobic Highly Transmissive Films for Optical Applications
Vüllers, F.; Gomard, G.; Preinfalk, J. B.; Klampaftis, E.; Worgull, M.; Richards, B.; Hölscher, H.; Kavalenka, M. N.
2016. Small. doi:10.1002/smll.201601443

Photon Upconversion at Crystalline Organic-Organic Heterojunctions
Oldenburg, M.; Turshatov, A.; Busko, D.; Wollgarten, S.; Adams, M.; Baroni, N.; Welle, A.; Redel, E.; Wöll, C.; Richards, B. S.; Howard, I. A.
2016. Advanced materials, 28 (38), 8477–8482. doi:10.1002/adma.201601718

Renewable energy powered membrane technology: Case study of St. Dorcas borehole in Tanzania demonstrating fluoride removal via nanofiltration/reverse osmosis
Shen, J.; Richards, B. S.; Schäfer, A. I.
2016. Separation and purification technology, 170, 445–452. doi:10.1016/j.seppur.2016.06.042

Spectroscopy and near infrared upconversion of Er³⁺-doped TZNT glasses
Venkata Krishnaiah, K.; Marques-Hueso, J.; Suresh, K.; Venkataiah, G.; Richards, B. S.; Jayasankar, C. K.
2016. Journal of Luminescence, 169, 270–276. doi:10.1016/j.jlumin.2015.08.035

2015

Highly efficient upconversion in Er3+ doped BaY2F8 single crystals: Dependence of quantum yield on excitation wavelength and thickness
Boccolini, A.; Favilla, E.; Tonelli, M.; Richards, B. S.; Thomson, R. R.
2015. Optics Express, 23 (15), A903-A915. doi:10.1364/OE.23.00A903

Enhanced energy conversion of up-conversion solar cells by the integration of compound parabolic concentrating optics
Arnaoutakis, G. E.; Marques-Hueso, J.; Ivaturi, A.; Fischer, S.; Goldschmidt, J. C.; Kraemer, K. W.; Richards, B. S.
2015. Solar Energy Materials and Solar Cells, 140, 217–223. doi:10.1016/j.solmat.2015.04.020

Renewable energy powered membrane technology: Impact of solar irradiance fluctuations on performance of a brackish water reverse osmosis system
Richards, B. S.; Capao, D. P. S.; Früh, W. G.; Schäfer, A. I.
2015. Separation and Purification Technology, 156, 379–390. doi:10.1016/j.seppur.2015.10.025

Integrating photovoltaic cells into decorative architectural glass using traditonal glass-painting techniques and fluorescent dyes
Hardy, D. A.; Roaf, S. C.; Richards, B. S.
2015. International journal of sustainable development and planning, 10, 863–879. doi:10.2495/SDP-V10-N6-863-879

Renewable energy powered membrane technology: Fluoride removal in a rural community in northern Tanzania
Shen, J.; Mkongo, G.; Abbt-Braun, G.; Ceppi, S. L.; Richards, B. S.; Schäfer, A. I.
2015. Separation and Purification Technology, 149, 349–361. doi:10.1016/j.seppur.2015.05.027

Photonic crystal-driven spectral concentration for upconversion photovoltaics
Marques-Hueso, J.; Peretti, R.; Abargues, R.; Richards, B. S.; Seassal, C.; Martinez-Pastor, J. P.
2015. Advanced Optical Materials, 3 (4), 568–574. doi:10.1002/adom.201400402

Integration of color and graphical design for photovoltaic modules using luminescent materials
Klampaftis, E.; Ross, D.; Kocher-Oberlehner, G.; Richards, B. S.
2015. IEEE journal of photovoltaics, 5 (2), 584–590. doi:10.1109/JPHOTOV.2015.2392934

Broadband near-infrared luminescence and visible upconversion of Er³⁺-doped Tungstate-Tellurite glasses
Krishnaiah, K. V.; Venkataiah, G.; Marques-Hueso, J.; Dharmaiah, P.; Jayasankar, C. K.; Richards, B. S.
2015. Science of Advanced Materials, 7 (2), 345–353. doi:10.1166/sam.2015.2027

2014

Renewable Energy Powered Membrane Technology: A Leapfrog Approach to Rural Water Supply Technologies in Developing Countries?
Schäfer, A. I.; Hughes, G.; Richards, B. S.
2014. Renewable & sustainable energy reviews, (40), 542–556. doi:10.1016/j.rser.2014.07.164

External thermalization of carriers with luminescent down shifting for lower operating solar cell temperature
Alonso-Alvarez, D.; Klampaftis, E.; Ross, D.; Richards, B. S.
2014. IEEE journal of photovoltaics, 4, 1532–1537. doi:10.1109/JPHOTOV.2014.2356398

Renewable energy powered membrane technology: Brackish water desalination system operated using real wind fluctuations and energy buffering
Richards, B. S.; Park, G. L.; Pietzsch, T.; Schäfer, A. I.
2014. Journal of membrane science, 468, 224–232. doi:10.1016/j.memsci.2014.05.054

Renewable energy powered membrane technology: Safe operating window of a brackish water desalination system
Richards, B. S.; Park, G. L.; Pietzsch, T.; Schäfer, A. I.
2014. Journal of membrane science, 468, 400–409. doi:10.1016/j.memsci.2014.05.053

Measurement procedure for absolute broadband infrared up-conversion photoluminescent quantum yields: Correcting for absorption/re-emission
MacDougall, S. K. W.; Ivaturi, A.; Marques-Hueso, J.; Richards, B. S.
2014. Review of scientific instruments, 85, 063109/1–8. doi:10.1063/1.4881537

Broadband photoluminescent quantum yield optimisation of Er³⁺-doped β-NaYF₄ for upconversion in silicon solar cells
MacDougall, S. K. W.; Ivaturi, A.; Marques-Huesoa, J.; Krämer, K. W.; Richards, B. S.
2014. Solar energy materials & solar cells, 128, 18–26. doi:10.1016/j.solmat.2014.05.004

Self-absorption in upconverter luminescent layers: Impact on quantum yield measurements and on designing optimized photovoltaic devices
Boccolini, A.; Marques-Hueso, J.; Richards, B. S.
2014. Optics letters, 39, 2904–2907. doi:10.1364/OL.39.002904

2013

Renewable energy-powered membrane technology: Supercapacitors for buffering resource fluctuations in a wind-powered membrane system for brackish water desalination
Park, G. L.; Schäfer, A. I.; Richards, B. S.
2013. Renewable Energy, 50, 126–135. doi:10.1016/j.renene.2012.05.026

Experimental energy barriers to anions transporting through nanofiltration membranes
Richards, L. A.; Richards, B. S.; Corry, B.; Schäfer, A. I.
2013. Environmental Science and Technology, 47 (4), 1968–1976. doi:10.1021/es303925r

Electrodialytic removal of NaCl from water: Impacts of using pulsed electric potential on ion transport and water dissociation phenomena
Malek, P.; Ortiz, J. M.; Richards, B. S.; Schäfer, A. I.
2013. Journal of Membrane Science, 435, 99–109. doi:10.1016/j.memsci.2013.01.060

Response to comment on "experimental energy barriers to anions transporting through nanofiltration membranes"
Richards, L. A.; Richards, B. S.; Corry, B.; Schäfer, A. I.
2013. Environmental Science and Technology, 47 (15), 8987–8988. doi:10.1021/es402784j

2012

The effect of intermittent operation on a wind-powered membrane system for brackish water desalination
Park, G. L.; Schäfer, A. I.; Richards, B. S.
2012. Water Science and Technology, 65 (5), 867–874. doi:10.2166/wst.2012.912

The importance of dehydration in determining ion transport in narrow pores
Richards, L. A.; Schäfer, A. I.; Richards, B. S.; Corry, B.
2012. Small, 8 (11), 1701–1709. doi:10.1002/smll.201102056

Quantifying barriers to monovalent anion transport in narrow non-polar pores
Richards, L. A.; Schäfer, A. I.; Richards, B. S.; Corry, B.
2012. Physical Chemistry Chemical Physics, 14 (33), 11633–11638. doi:10.1039/c2cp41641g

2011

Renewable energy powered membrane systems: Inorganic contaminant removal from Australian groundwaters
Richards, L. A.; Richards, B. S.; Schäfer, A. I.
2011. Membrane Water Treatment, 2 (4), 239–250. doi:10.12989/mwt.2011.2.4.239

Renewable energy powered membrane technology: Salt and inorganic contaminant removal by nanofiltration/reverse osmosis
Richards, L. A.; Richards, B. S.; Schäfer, A. I.
2011. Journal of Membrane Science, 369 (1-2), 188–195. doi:10.1016/j.memsci.2010.11.069

Renewable energy powered membrane technology: The effect of wind speed fluctuations on the performance of a wind-powered membrane system for brackish water desalination
Park, G. L.; Schäfer, A. I.; Richards, B. S.
2011. Journal of Membrane Science, 370 (1-2), 34–44. doi:10.1016/j.memsci.2010.12.003

2010

Water and Sanitation in International Development and Disaster Relief (WSIDDR)
Richards, B. S.; Schäfer, A. I.
2010. Desalination, 248 (Issue: 1)

Chapter 12 Renewable Energy Powered Water Treatment Systems
Richards, B. S.; Schäfer, A. I.
2010. Sustainability Science and Engineering, 2 (C), 353–373. doi:10.1016/S1871-2711(09)00212-8

2009

Impact of speciation on fluoride, arsenic and magnesium retention by nanofiltration/reverse osmosis in remote Australian communities
Richards, L. A.; Richards, B. S.; Rossiter, H. M. A.; Schäfer, A. I.
2009. Desalination, 248 (1-3), 177–183. doi:10.1016/j.desal.2008.05.054

Application of solar-powered desalination in a remote town in South Australia
De Munari, A.; Capão, D. P. S.; Richards, B. S.; Schäfer, A. I.
2009. Desalination, 248 (1-3), 72–82. doi:10.1016/j.desal.2008.05.040

Potential of wind-powered renewable energy membrane systems for Ghana
Park, G. L.; Schäfer, A. I.; Richards, B. S.
2009. Desalination, 248 (1-3), 169–176. doi:10.1016/j.desal.2008.05.053

Physico-chemical water quality in Ghana: Prospects for water supply technology implementation
Schäfer, A. I.; Rossiter, H. M. A.; Owusu, P. A.; Richards, B. S.; Awuah, E.
2009. Desalination, 248 (1-3), 193–203. doi:10.1016/j.desal.2008.05.055

2008

Renewable energy powered membrane technology. 2. The effect of energy fluctuations on performance of a photovoltaic hybrid membrane system
Richards, B. S.; Capão, D. P. S.; Schäfer, A. I.
2008. Environmental Science and Technology, 42 (12), 4563–4569. doi:10.1021/es703157n

2007

Renewable energy powered membrane technology. 1. Development and characterization of a photovoltaic hybrid membrane system
Schäfer, A. I.; Broeckmann, A.; Richards, B. S.
2007. Environmental Science and Technology, 41 (3), 998–1003. doi:10.1021/es061166o

From concept to commercialisation: student learning in a sustainable engineering innovation project
Schäfer, A. I.; Richards, B. S.
2007. European Journal of Engineering Education, 32 (2), 143–165. doi:10.1080/03043790601118689

2005

Membranes and renewable energy - A new era of sustainable development for developing countries
Schäfer, A. I.; Broeckmann, A.; Richards, B.
2005. Membrane Technology, 2005 (11), 6–10. doi:10.1016/S0958-2118(05)70569-3

System design and performance testing of a hybrid membrane - Photovltaic desalination system
Masson, L.; Richards, B. S.; Schäfer, A. I.
2005. Desalination, 179 (1-3 SPEC. ISS.), 51–59. doi:10.1016/j.desal.2004.12.022

Testing of a hybrid membrane system for groundwater desalination in an Australian national park
Schäfer, A. I.; Richards, B. S.
2005. Desalination, 183 (1-3), 55–62. doi:10.1016/j.desal.2005.05.007

2004

Performance of a small solar-powered hybrid membrane system for remote communities under varying feedwater salinities
Schäfer, A. I.; Remy, C.; Richards, B. S.
2004. Water supply, 4 (5-6), 233–243. doi:10.2166/ws.2004.0113

2003

Photovoltaic-powered desalination system for remote Australian communities
Richards, B. S.; Schäfer, A. I.
2003. Renewable Energy, 28 (13), 2013–2022. doi:10.1016/S0960-1481(03)00081-8

2002

Design considerations for a solar-powered desalination system for remote communities in Australia
Richards, B. S.; Schäfer, A. I.
2002. Desalination, 144 (1-3), 193–199. doi:10.1016/S0011-9164(02)00311-9

Journal Articles

P. Etchegoin, A. Fainstein, A.A. Sirenko, B. Koopmans, B.S. Richards, P.V. Santos, M. Cardona, K. Totenmeyer, K. Eberl (1996) Optics of multiple quantum wells uniaxially stressed along the growth axis, Physical Review B, 53(20), 13662–13671 (RG).
D. Toet, B. Koopmans, P.V. Santos, R.B. Bergmann, B.S. Richards (1996) Growth of polycrystalline silicon on glass by selective laser-induced nucleation, Appl. Phys. Letters, 69(24), 3719–3721.
B. Koopmans, B.S. Richards, P.V. Santos, K. Eberl, M. Cardona (1996) In-plane optical anisotropy of GaAs/AlAs multiple quantum wells probed by microscopic reflectance difference spectroscopy, Applied Physics Letters, 69(6), 782–784 (RG).
D. Toet, B. Koopmans, R.B. Bergmann, B.S. Richards, P.V. Santos, M. Albrecht, J. Krinke (1997) Large area polycrystalline silicon thin films grown by laser-induced nucleation and solid phase crystallization, Thin Solid Films, 296, 49–52 (RG).
C.B. Honsberg, J.E. Cotter, K.R. McIntosh, S. Pritchard, B.S. Richards, S.R. Wenham, (1999), Design strategies for commercial solar cells using the buried contact technology, IEEE Transactions on Electron Devices, 46(10): 1984–1992.
B.S. Richards, J.E. Cotter, C.B. Honsberg, (2002) Enhancing the surface passivation of TiO2 coated silicon wafers, Applied Physics Letters, 80(7): 1123–1125 (RG).
B.S. Richards, A.I. Sch¨afer (2002) Design Considerations for a Solar-powered Desalination System for Remote Communities in Australia, Desalination, 144, 193–199 (RG).
B.S. Richards, S.F. Rowlands, C.B. Honsberg, J.E. Cotter (2003) TiO2 DLAR Coatings for Planar Silicon Solar Cells, Progress in Photovoltaics, 11(1), 27–32 (RG).
B.S. Richards (2003) Single-Material TiO2 Double-Layer Antireflection Coatings, Solar Energy Materials & Solar Cells, 79(3), 369–390 (RG).
B.S. Richards, A.I. Sch¨afer (2003) Photovoltaic-powered Desalination System for Remote Australian Communities, Renewable Energy, 28, 2013–2022 (RG).
B.S. Richards, S.F. Rowlands, A. Ueranatasun, J.E. Cotter, C.B. Honsberg (2004) Potential cost reduction of buried-contact solar cells through the use of titanium dioxide thin films, Solar Energy, 76(1-3), 269–276 (RG).
B.S. Richards, A. Lambertz, A.B. Sproul (2004) Determination of the Optical Properties of Non-Uniformly Thick Non-Hydrogenated Sputtered Silicon Thin Films on Glass, Thin Solid Films, 460, 247–255 (RG).
B.S. Richards, S.R. Richards, M.B. Boreland, D.N. Jamieson (2004) High Temperature Processing of TiO2 Thin Films for Application in Silicon Solar Cells, Journal of Vacuum Science & Technology A, 22(2), 339–348 (RG).
B.S. Richards (2004) Comparison of TiO2 and other Dielectric Coatings for Buried-Contact Solar Cells: A Review, Progress in Photovoltaics, 12, 253–281 (RG).
A.I. Sch¨afer, C. Remy, B.S. Richards (2004) Performance of a small solar-powered hybrid membrane system for remote communities under varying feedwater salinities, Water Science and Technology: Water Supply, 4(56), 233-243 (RG).
A. Shalav, B.S. Richards, T. Trupke, K.W. Kra¨mer, H.U. Gu¨del (2005) The application of NaYF4:Er3+ up-converting phosphors for enhanced near-infrared silicon solar cell response, Applied Physics Letters, 86, 013505 (RG).
B.S. Richards, A. Shalav (2005) The Role of Polymers in the Luminescence Conversion of Sunlight for Enhanced Solar Cell Performance, Synthetic Metals, 154, 61–64 (RG).
B.S. Richards, N.T.P. Huong, A. Crosky (2005) Highly Porous Nanocluster TiO2 Films Deposited using APCVD in an Excess of Water Vapor, Journal of the Electrochemical Society, 152(7), F71–F74 (RG).
L. Masson, B.S. Richards, A.I. Sch¨afer (2005) System Design and Performance Testing of a Hybrid Membrane Photovoltaic Desalination System, Desalination, 179(1-3), 51–59 (RG).
A.I. Sch¨afer, B.S. Richards (2005) Testing of a Hybrid Membrane System for Groundwater Desalination in an Australian National Park, Desalination, 183, 55–62 (RG).
A.I. Sch¨afer, A. Broeckmann, B.S. Richards (2005) Membranes and Renewable Energy - A new Era of Sustainable Development for Developing Countries, Membrane Technology, November issue, 6-10 (RG).
B.S. Richards (2006) Luminescent Layers for Enhanced Silicon Solar Cell Performance: Down-Conversion, Solar Energy Materials & Solar Cells, 90, 1189-1207 (RG).
G. Conibeer, M. Green, R. Corkish, Y. Cho, E.-C. Cho, C.-W. Jiang, T. Fangsuwannarak, E. Pink, Y. Huang, T. Puzzer, T. Trupke, B. Richards, A. Shalav, K.-L. Lin (2006) Silicon nanostructures for third generation photovoltaic solar cells, Thin Solid Films, 511–512: 654–662.
B.S. Richards (2006) Enhancing the performance of silicon solar cells via the application of passive luminescence conversion layers, Solar Energy Materials & Solar Cells, 90, 2329-2337 (RG).
B.S. Richards, M.E. Watt (2007) Dispelling a Myth of Photovoltaics via the Adoption of a New Net Energy Indicator, Renewable and Sustainable Energy Reviews, 11(1), 162–172 (RG).
M. Ionescu, B. Richards, K. McIntosh, R. Siegele, E. Stelcer, O. Hawas, D. Cohen, T. Chandra (2006) Hydrogen measurements in SiNx:H/Si thin films by ERDA, Materials Science Forum, 539-543, 3551–3556.
T. Trupke, A. Shalav, B.S. Richards, P. Wu¨rfel, M.A. Green (2006) Efficiency enhancement of solar cells by luminescent up-conversion of sunlight, Solar Energy Materials & Solar Cells, 90(18-19), 3327–3338 (RG).
B.S. Richards, G.J. Conibeer (2007) A Comparison of Hydrogen Storage Technologies for Solar-Powered Stand Alone Power Supplies: A Photovoltaic System Sizing Approach, International Journal of Hydrogen Energy, 32(14), 2712–2718 (RG).
B.S. Richards, K.R. McIntosh (2007) Overcoming the Poor Short-Wavelength Spectral Response of CdS/CdTe Photovoltaic Modules via Luminescence Down-Shifting: Ray-Tracing Simulations, Progress in Photovoltaics, 15(1), 27–34 (RG).
G.J. Conibeer, B.S. Richards (2007) A comparison of PV/electrolyser and photoelectrolytic technologies for use in solar to hydrogen energy storage systems, International Journal of Hydrogen Energy, 32(14), 2703–2711 (RG).
A.I. Sch¨afer, B.S. Richards (2007) From Concept to Commercialization: Student Learning in a Sustainable Engineering Innovation Project, European Journal of Engineering Education, 32(2), 1–23 (RG).
B.S. Richards, A. Shalav (2007) Enhancing the near-infrared spectral response of silicon optoelectronic devices via up-conversion, IEEE Transactions on Electron Devices, 54(10), 2679–2684 (RG).
A.I. Sch¨afer, A. Broeckmann, B.S. Richards (2007) Renewable energy powered membrane technology. 1. Development and characterization of a photovoltaic hybrid membrane system, Environmental Science & Technology, 41, 998–1003 (RG).
A. Shalav, B.S. Richards, M.A. Green (2007) Luminescent layers for enhanced silicon solar cell performance: Up-conversion, Solar Energy Materials & Solar Cells, 91(9), 829–842 (RG).
K.R. McIntosh, N. Yamada, B.S. Richards (2007) Theoretical Comparison of Cylindrical and Planar Luminescent Solar Concentrators, Applied Physics B, 88(2), 285–290 (RG).
P. Corbett, S. Kerr, B. Richards, J. Side, D. Davies (2007) Petroleum industry and renewables, First Break, 25, 11–17 (RG).
B.S. Richards, D.P.S. Cap˜ao, A.I. Sch¨afer (2008) Renewable energy powered membrane technology. 2. The effect of energy fluctuations on performance of a photovoltaic hybrid membrane system, Environmental Science & Technology, 42, 4563-4569 (RG).
B.B. Paudyal, K.R. McIntosh, D.H. Macdonald, B.S. Richards, R.A. Sinton (2008) The implementation of temperature control to an inductive-coil photoconductance instrument for the range of 0 to 230◦C, Progress in Photovoltaics, 16(7), 609–613 (RG).
B.C. Rowan, L.R. Wilson, B.S. Richards (2008) Advanced material concepts for luminescent solar concentrators, IEEE Journal of Selected Topics in Quantum Electronics, 14(5), 1312–1322 (Invited paper) (RG).
M.G. Debije, P.P.C. Verbunt, B.C. Rowan, B.S. Richards, T. Hoeks (2008) Measured surface loss from luminescent solar concentrator waveguides, Applied Optics, 47(36), 6763-6768 (RG).
L.R. Wilson, B.S. Richards (2009) Measurement method for photoluminescent quantum yields of fluorescent organic dyes in polymethyl methacrylate for luminescent solar concentrators, Applied Optics 48(2), 212–220 (RG).
K.R. McIntosh, G. Lau, J.N. Cotsell, K. Hanton, D.L. Btzner, F. Bettiol, B.S. Richards (2009) Increase in external quantum efficiency of encapsulated silicon solar cells from a luminescent down-shifting layer, Progress in Photovoltaics, 17, 191-197 (RG).
E.K. Klampaftis, D. Ross, K.R. McIntosh, B.S. Richards (2009) Enhancing the performance of solar cells via luminescent down-shifting of the incident spectrum: A review, Solar Energy Materials and Solar Cells, 93, 1182–1194 (RG).
O. Moudam, B.C. Rowan, M. Alamiry, P. Richardson, B.S. Richards, A. Jones, N. Robertson (2009) Europium complexes with high fluorescence quantum yields in solution and in PMMA, Chemical Communications 2009, 6649-6651 (RG).
A.I. Sch¨afer, H.M.A. Rossiter, P.A. Owusu, B.S. Richards, E. Awuah (2009) Physico-Chemical Water Quality in Ghana: Prospects for Water Supply Technology Implementation, Desalination, 248, 193–203 (RG).
L.A. Richards, B.S. Richards, H.M.A. Rossiter, A.I. Sch¨afer (2009) Impact of Speciation on Fluoride, Arsenic and Magnesium Retention by Nanofiltration - Reverse Osmosis in Remote Australian Communities, Desalination, 248, 177–183 (RG).
G.L. Park, B.S. Richards, A.I. Sch¨afer (2009) Potential of Wind-Powered Renewable Energy Membrane Systems for Ghana, Desalination, 248, 169–176 (RG).
A. De Munari , D.P.S. Cap˜ao, B.S. Richards, A.I. Sch¨afer (2009) Application of Solar-Powered Desalination in a Remote Town in South Australia, Desalination, 248, 72–82 (RG).
L.R. Wilson, B.C. Rowan, N. Robertson, O. Moudam, A.C. Jones, B.S. Richards (2010) Characterization and reduction of reabsorption losses in luminescent solar concentrators, Applied Optics, 49(9), 1651–1661 (RG).
P. Vaqueiro, M.L. Romero, B.C. Rowan, B.S. Richards (2010) Helical and layered coordination polymers containing gallium-sulphide supertetrahedral clusters, Chemistry: A European Journal, 16(15), 4462–4465.
E. Klampaftis, B.S. Richards (2011) Improvement in multi-crystalline silicon solar cell efficiency via addition of luminescent material to EVA encapsulation layer, Progress in Photovoltaics, 19(3), 345-351 (RG).
M.G. Debije, P.P.C. Verbunt, P.J. Nadkarni, S. Velate, K. Bhaumik, S. Nedumbamana, B.C. Rowan, B.S. Richards, T.L. Hoeks (2011) A Promising Fluorescent Dye for Solar Energy Conversion Based on a Perylene Perinone, Applied Optics, 50(2), 163–169 (RG).
L.A. Richards, B.S. Richards, A.I. Sch¨afer (2011) Renewable energy powered membrane technology: Salt and inorganic contaminant removal by nanofiltration/reverse osmosis, Journal of Membrane Science, 369(1-2), 188–195 (RG).
G.L. Park, A.I. Sch¨afer, B.S. Richards (2011) Renewable energy powered membrane technology: The effect of wind speed fluctuations on the performance of a wind-powered membrane system for brackish water desalination, Journal of Membrane Science, 370(1-2), 34–44 (RG).
E. Klampaftis, B.S. Richards (2011) Luminescent Encapsulation Layers for Mutlicrystalline Silicon PV Modules, Photovoltaics International 11th edition: 104–109 (RG).
N. Sarmah, B.S. Richards, T.K. Mallick (2011) Evaluation and Optimisation of the Optical Performance of Low-Concentrating Dielectric Compound Parabolic Concentrator Using Ray-Tracing Methods, Applied Optics, 50(19), 3303–3310 (RG).
E. Klampaftis, M. Congiu, N. Robertson, B.S. Richards (2011) Luminescent EVA Encapsulation Layers for Enhancing the Short Wavelength Spectral Response and Efficiency of Silicon PV Modules, IEEE Journal of Photovoltaics, 1(1), 29–36 (RG).
M. Bortoluzzi, G. Paolucci, S. Polizzi, L. Bellotto, F. Enrichi, S. Ciorba, B.S. Richards (2011) Photoluminescence Studies on Europium-based Scorpionate Complex, Inorganic Chemistry Communications, 14(11), 1762-1766 (RG).
L.A. Richards, B.S. Richards, A.I. Sch¨afer (2011) Renewable Energy Powered Membrane Systems: Inorganic Contaminant Removal from Australian Groundwaters, Membrane Water Treatment, 2(4), 239–250 (RG).
G.L. Park, A.I. Sch¨afer, B.S. Richards (2012) Renewable Energy Powered Membrane Technology: The Effect of Intermittent Operation on a Wind-Powered Membrane System for Brackish Water Desalination, Water Science & Technology: Water Supply, 65(5), 867–874 (RG).
E. Klampaftis, D. Ross, S. Seyrling, A.N. Tiwari, B.S. Richards (2012) Increase in short-wavelength response of encapsulated CIGS devices by doping the encapsulation layer with luminescent material, Solar Energy Materials & Solar Cells, 101, 62-67 (RG).
L.A. Richards, A.I. Sch¨afer, B.S. Richards, B. Corry (2012) The importance of dehydration in determining ion transport in narrow pores, Small 8(11), 1701–1709 (RG).
D. Ross, E. Klampaftis, J. Fritsche, M. Bauer, B.S. Richards (2012) Increased short-circuit current density of production line CdTe mini-module through luminescent down-shifting, Solar Energy Materials & Solar Cells 103, 11-16 (RG).
M. Bortoluzzi, G. Paolucci, M. Gatto, S. Roppa, F. Enrichi, S. Ciorba, B.S. Richards (2012) Preparation of photoluminescent PMMA doped with tris(pyrazol-1-yl)borate lanthanide complexes, Journal of Luminescence 132, 2378-2384 (RG).
G. Kocher-Oberlehner, M. Bardosova, M. Pemble, B.S. Richards (2012) Planar photonic solar concentrators for building-integrated photovoltaics, Solar Energy Materials & Solar Cells, 104, 53-57 (RG).
L.A. Richards, A.I. Sch¨afer, B.S. Richards, B. Corry (2012) Quantifying barriers to anion transport in narrow pores, Physical Chemistry Chemical Physics, 14(33), 11633–11638 (RG).
G.L. Park, A.I. Sch¨afer, B.S. Richards (2013) Renewable Energy Powered Membrane Technology: Supercapacitors for buffering resource fluctuations in a wind-powered membrane system, Renewable Energy, 50, 126–135 (RG).
S.K.W. MacDougall, A. Ivaturi, J. Marques-Hueso, K.W. Kr¨amer, B.S. Richards (2012) Ultra-high Photoluminescent Quantum Yield of NaYF4:Er3+ via Broadband Excitation for Upconversion in Photovoltaic Devices, Optics Express 20(S6) A879–A887 (RG).
S.F. Mohsenpour B.S. Richards, N. Willoughby (2012) Spectral conversion of light for enhanced microalgae growth rates and photosynthetic pigment production, Bioresource Technology 125, 75-81 (RG).
H. Lin, D. Chen, Y. Wang, J. Marqu´es-Hueso, B.S. Richards (2012) Tm3+- sensitized up- and down-conversion in nano-structured oxyfluoride glass ceramics for photovoltaic application, Materials Research Bulletin 47(12), 4433–4437 (RG).
L.A. Richards, B.S. Richards, B. Corry, A.I. Sch¨afer (2013) Experimental Energy Barriers to Anions Transporting through Nanofiltration Membranes, Environmental Science & Technology 47(4), 1968–1976 (RG).
L.A. Richards, B.S. Richards, B. Corry, A.I. Sch¨afer (2013) Response to comment on ”Experimental Energy Barriers to Anions Transporting through Nanofiltration Membranes”, Environmental Science & Technology 47(15):8987–8988 (RG).
P. Malek, J.M. Ortiz, B.S. Richards, A.I. Sch¨afer (2013) Electrodialytic removal of NaCl from water: Impacts of using pulsed electric potential on ion transport and water dissociation phenomena, Journal of Membrane Science 435, 99-109 (RG).
R. Martn-Rodrguez, S. Fischer, A. Ivaturi, B. Froehlich, K.W. Kra¨mer, J.C. Goldschmidt, B.S. Richards A. Meijerink (2013) Highly efficient IR to NIR upconversion in Gd2O2S:Er3+ for photovoltaic applications, Chemistry of Materials 25(9), 1912-1921 (RG).
G.E. Arnaoutakis, J. Marques-Hueso, T.K. Mallick, B.S. Richards (2013) Coupling of sunlight into optical fibres and spectral dependence for solar energy applications, Solar Energy 93, 235-243 (RG).
A. Ivaturi, S.K.W. MacDougall, M. Quintanilla, R. Martn-Rodrguez, A. Meijerink, K.W. Kra¨mer, B.S. Richards (2013) Optimizing IR to NIR upconversion photoluminescent quantum yield of β-NaYF4:Er3+ in fluoropolymer matrix for photovoltaic devices, Journal of Applied Physics 114, 013505 (RG).
M. Congiu, M. Alamiry, O. Moudam, S. Ciorba, P.R. Richardson, L. Maron, A.C. Jones, B.S. Richards, N. Robertson (2013) Preparation and photophysical studies of [Ln(hfac)3DPEPO], Ln = Eu, Tb, Yb, Nd, Gd; interpretation of total photoluminescence quantum yields, Dalton Transactions 42, 13537–13545.
S. Fischer, A. Ivaturi, B. Frhlich, M. Ru¨diger, A. Richter, K.W. Kra¨mer, B.S. Richards, J.C. Goldschmidt (2013) Upconversion Silicon Solar Cell Devices for Efficient Utilization of Sub-Band-Gap Photons under Concentrated Solar Radiation, IEEE Journal of Photovoltaics 4(1), 183–189.
D. Ross, D. Alonso-A´ lvarez, E. Klampaftis, J. Fritsche, M. Bauer, M.G. Debije, R.M. Fifield, B.S. Richards (2014) The Impact of Luminescent Down-Shifting on the Performance of CdTe Photovoltaics: Impact of Module Vintage, IEEE Journal of Photovoltaics 4(1), 457–464 (RG).
A. Boccolini, J. Marques-Hueso, D. Chen, Y. Wang, B.S. Richards (2014) Physical performance limitations of luminescent down-conversion layers for photovoltaic applications, Solar Energy Materials and Solar Cells 122, 8–14 (RG).
A. Kerrouche, D.A. Hardy, D. Ross, B.S. Richards (2014) Luminescent Solar Concentrators: from Experimental Validation of 3D Ray-Tracing Simulations to Coloured Stained-Glass Windows for BIPV Solar Energy Materials and Solar Cells, Solar Energy Materials and Solar Cells 122, 99-106 (RG).
D. Alonso-A´ lvarez, E. Klampaftis, D. Ross, B.S. Richards (2014) External Thermalization of Carriers With Luminescent Down Shifting for Lower Operating Solar Cell Temperature, IEEE Journal of Photovoltaics 4(6): 1532–1537.
D. Alonso-A´ lvarez, D. Ross, E. Klampaftis, K.R. McIntosh, J. Jia, P. Storiz, T. Stolz, B.S. Richards (2015) Luminescent down shifting for photovoltaics: comparison of ray-tracing simulations, analytical models, and experiments for mc-Si, CIGS and CdTe devices, Progress in Photovoltaics 23: 479–497 (RG).
G.E. Arnaoutakis, J. Marques-Hueso, A. Ivaturi, K.W. Kra¨mer, J.C. Goldschmidt, S. Fischer, B.S. Richards (2014) Enhanced Up-conversion for Photovoltaics via Concentrating Integrated Optics, Optics Express 22(S2), A452-A464 (RG).
N. Sarmah, B.S. Richards, T.K. Mallick (2014) Design, development and indoor performance analysis of a low concentrating dielectric photovoltaic module, Solar Energy 103, 390-401 (RG).
A. Boccolini, J. Marques-Hueso, B.S. Richards (2014) Self-absorption in upconverter luminescent layers: impact on quantum yield measurements and on designing optimized photovoltaic devices, Optics Letters 39(10), 2904-2907 (RG).
S.K.W. MacDougall, A. Ivaturi, J. Marques-Hueso, K.W. Kr¨amer, B.S. Richards (2014) Broadband Photoluminescent Quantum Yield Optimisation of Er3+-doped B-NaYF4 for Upconversion in Silicon Solar Cells, Solar Energy Materials and Solar Cells 128, 18-26 (RG).
M. Ru¨diger, S. Fischer, J. Frank, A. Ivaturi, B.S. Richards K.W. Kra¨mer, M. Hermle, J.C. Goldschmidt (2014) Bifacial n-Type Silicon Solar Cells for Upconversion Applications, Solar Energy Materials and Solar Cells 128, 57–68.
S.K.W. MacDougall, A. Ivaturi, J. Marques-Hueso, B.S. Richards (2014) Measurement Procedure for Absolute Broadband IR Up-Conversion Photoluminescent Quantum Yields: Correcting for Absorption/Re-Emission, Review of Scientific Instruments 85, 063109 (RG).
M. Planells, E. Klampaftis, M. Congiu, R. Shivanna, K. Venkata Rao, A.C. Jones, B.S. Richards, S.J. George, K.S. Narayan, N. Robertson (2014) Luminescent Polymer Films from Simple Processing of Coronene and Europium Precursors in Water, European Journal of Inorganic Chemistry 2014(19), 3095-3100 (RG).
A.I. Sch¨afer, G. Hughes B.S. Richards, (2014) Renewable energy powered membrane technology: A leapfrog approach to rural water treatment in developing countries?, Renewable and Sustainable Energy Reviews 40, 542-556 (RG).
K. Venkata Krishnaiah, G. Venkataiah, J. Marques-Hueso, P. Dharmaiah, C. Jayasankar, B.S. Richards (2014) Broadband near-infrared and visible upconversion luminescence of Er3+-doped tungstate-tellurite glasses, Science of Advanced Materials 6, 1–9 (RG).
J. Marques-Hueso, R. Peretti, R. Abargues, B.S. Richards, C. Seassal, J.P. Martinez-Pastor (2015) Photonic crystal driven spectral concentration for up-conversion photovoltaics, Advanced Optical Materials 3(4), 568-574 (invited paper, RG).
J. Shen, G. Mkongo, G. Abbt-Braun, S.L. Ceppi, B.S. Richards, A.I. Sch¨afer (2015) Renewable energy powered membrane technology: fluoride removal in a rural community in northern Tanzania, Separation and Purification Technology 149, 349-361.
A. Boccolini, E. Favilla, M. Tonelli, B.S. Richards, R.R. Thomson (2015) Highly efficient upconversion in Er3+-doped BaY2F8 single crystals: dependence of quantum yield on excitation wavelength and thickness, Optics Express 23(15), A903–A915 (RG).
L. Majula, N.R. Mlyuka, M.E. Samiji, R.S. Bryce, D.Y. Kim, S.H. Kim, H.J. Lee, H.J. Choi (2015) Spin-coated kesterite CZTS thin films for photovoltaic applications, Journal of the Korean Physical Society 67(6): 1078–1081.
K. Venkata Krishnaiah, J. Marques-Hueso, K. Suresha, G. Venkataiah, B.S. Richards, C. Jayasankar (2016) Spectroscopy and near infra-red upconversion of Er3+-doped TZNT glasses, Journal of Luminescence 169(Part A): 270–276. (RG)
D.A. Hardy, S.C. Roaf, B.S. Richards (2015) Integrating photovoltaic cells into highly decorative architectural glass using traditional glass-painting techniques and fluorescent dyes, International Journal of Sustainable Development and Planning 10(6), 863–879 (RG).
B.S. Richards, D.P.S. Cap˜ao, W.G. Fru¨h, A.I. Sch¨afer (2015) Renewable energy powered membrane technology: Impact of solar irradiance fluctuations on performance of a brackish water reverse osmosis system, Separation and Purification Technology 156(2): 379-390.
J. Shen, B.S. Richards, A.I. Sch¨afer (2016) Renewable energy powered membrane technology: Case study of St. Dorcas borehole in Tanzania demonstrating fluoride removal via nanofiltration/reverse osmosis, Separation and Purification Technology 170: 445–452.
F. Vu¨llers, G. Gomard, J.B. Preinfalk, E. Klampaftis, M. Worgull, B.S. Richards, H. H¨olscher, M.N. Kavalenka (2016) Bioinspired superhydrophobic highly transmissive films for optical applications, Small 12: 6144-6152.
M. Oldenburg, A. Turshatov, D. Busko, S. Wollgarten, M. Adams, N. Baroni, A. Welle, E. Redel, C. W¨oll, B.S. Richards, I.A. Howard(2016) Photon upconversion at crystalline organic-organic heterojunctions, Advanced Materials 28: 8477-8482.
W. Yan, S. Dottermusch, C. Reitz, B.S. Richards (2016) Hexagonal arrays of round-head silicon nanopillars for surface anti-reflection applications, Applied Physics Letters 109, 143901.
M. Zettl, O. Mayer, E. Klampaftis, B.S. Richards (2016) Host polymer investigation for luminescent solar concentrators, Energy Technology, doi: 10.1002/ente.201600498.
A. Turshatov, D. Busko, N. Kiseleva, S. Grage, I.A. Howard, B.S. Richards (2017) Room-temperature high-efficiency solid-state triplet-triplet annihilation up-conversion in amorphous poly(olefin sulfone)s, ACS Applied Materials & Interfaces 9: 82808286.
L.R. Wilson, E. Klampaftis, B.S. Richards (2017) Enhancement of power output from large-area luminescent solar concentrator with 4.8× light concentration factor via solar cell current matching, IEEE Journal of Photovoltaics, doi: 10.1109/JPHOTOV.2017.2668606.
B.S. Richards, J. Shen, A.I. Sch¨afer (2016) Water energy nexus perspectives in the context of photovoltaic-powered decentralized water treatment systems, Energy Technology, doi: 10.1002/ente.201600728.
G. Gao, A. Turshatov, I.A. Howard, D. Busko, R. Joseph, D. Hudry, B.S. Richards (2017) Up-conversion photonic markers for plastic recycling and anti-counterfeiting: A review, Advanced Sustainable Systems (accepted).
W. Yan, Z. Tao, M. Gu, B.S. Richards (2017) Photocurrent enhancement in textured ultrathin crystalline silicon solar cells via periodic silver nanoarrays produced via nano-imprint lithography, Solar Energy (submitted).
M. Quintanilla, E. Hemmer, J. Marques-Hueso, S. Rohani, R.R. Zamani, V. Roddatis, F. L´egar´e, B.S. Richards, F. Vetrone (2017) Underlying phenomena ruling photoluminescence quantum yield in upconverting nanoparticles, Energy & Environmental Science (submitted).
G.E. Arnaoutakis, E. Favilla, M. Tonelli, B.S. Richards (2017) Concentrating up-conversion solar cells with BaY2F8:30%3+, Solar Energy Materials and Solar Cells (submitted).
G. Gao, D. Busko, Sandra Kauffmann-Weiss, A. Turshatov, I.A. Howard, B.S. Richards (2017) Finely-tuned NIR-to-visible up-conversion in La2O3:Yb3+,Er3+ microcrystals with high quantum yield, Journal of Materials Chemistry C (submitted) (invited paper).
W. Yan, B.S. Richards (2017) Silicon phononics for photovoltaic applications, IEEE Journal of Photovoltaics (submitted).