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Ulrich W. Paetzold
Dr. Ulrich W. Paetzold
Advanced Optics and Materials for Next Generation Photovoltaics

Phone: +49 721 608-26357
ulrich paetzoldYsa0∂kit edu

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Advanced Optics and Materials for Next Generation Photovoltaics

Dr. Ulrich W. Paetzold

Our group researches the interaction between light and structured matter for the purpose of engineering novel optical concepts and nanophotonic materials for next generation photovoltaics. The photovoltaic technologies in focus of our studies are perovskite thin-film solar cells and perovskite based multijuntion solar cells. Our work involves the fabrication, characterization, simulation and understanding of the device physics of perovskite photovoltaics.

Perovskite Solar Cell with Nanophotonic Electrodes

Perovskite/CIGS Solar Module Reaches Efficiency of 17.8%

Nanophotonic Electrodes

Solution-Processed for Perovskite Photovoltaics

Prototype Optical Cloak Metal Contacts


OPEN POSITIONS

We are looking for highly motivated students interested in the areas of optics/photonics and thin-film photovoltaics. Three categories of positions are offered:

  • Ph.D. thesis
  • Bachelor/Master thesis
  • Internships (min. 4 months)

If you are interested, contact us via mail. Please describe your interests and background. A CV, transcript of records and list of recommendations are highly appreciated.

Dr. Ulrich W. Paetzold

MEDIA

Inside Front Cover, Advanced Energy Materials / Volume 9, Issue 12
Cover Advanced Energy Materials

In a recent publication, we reported on high‐quality inorganic charge extraction layers which are of key importance for efficient and stable perovskite‐based photovoltaics. The work was published in Advanced Energy Materials and highlighted with a cover.

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The cover image is based on the Research Article Energy yield of all thin‐film perovskite/CIGS tandem solar modules by Malte Langenhorst et al., https://doi.org/10.1002/pip.3091. Image Credit: Malte Langenhorst.
Cover Progress in PV

Our recent article “Energy yield of all thin‐film perovskite/CIGS tandem solar modules” by Malte Langenhorst et al. (doi:10.1002/pip.3091) was highlighted as a cover. Have fun reading it!”

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Printed colored perovskite solar cells in the form of the KIT logo (Photo: IMT/KIT).
Photovoltaics – Versatile in Form and Color

Researchers and industrial partners develop printed perovskite solar modules for flexible use in buildings (Photo: IMT/KIT).

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Das Stiefmütterchen Viola wittrockiana (Foto: Raphael Schmager)
Viola Flower Helps to Advance Light Harvesting in Solar Cells

Scientists at KIT copy microstructures from the viola petal and improve performance of solar cells.
doi:10.1021/acsphotonics.7b01153

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Doctoral student Tobias Abzieher
Best Oral Presentation at EMRS meeting.

06.10.2017 - Doctoral student Tobias Abzieher from the Light Technology Institute received an award for the best student oral presentation in the Fall Meeting of the European Materials Research Society (EMRS) in Warsaw.

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IMT’s Solar Race Car at the KIT Open Day 2017
IMT’s Solar Race at the KIT Open Day 2017.

At the KIT Open Day 2017 the photovoltaics experts at IMT organized a Solar Car Race. The event attracted a lot of visitors, who got the chance constructing their own solar-powered electric cars.

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Prototype tandem solar module made up of a semitransparent perovskite solar module (on top) and a CIGS solar module (below). (Picture: imec/ZSW/KIT)
Record for Perovskite/CIGS Tandem Solar Module

A prototype of a Perovskite/CIGS  thin-film solar module achieves an efficiency of 17.8 percent and surpasses for the first time the efficiency of separate perovskite and CIGS solar modules (Picture: imec/ZSW/KIT). Article in optics.org.

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