III-V Epitaxy and Material Development
| since 2023 | Postdoctoral Researcher |
| 2018-2013 |
PhD, Freiburg University |
| 2016-2018 | Master of Physics, Heidelberg University |
| 2015 | DAAD scholarship, rise worldwide, Ryerson University, Toronto |
| 2014-2015 |
Erasmus scholarship, Imperial College London |
| 2012-2016 |
Bachelor of Physics, Heidelberg University |
| 2024 | Dr.-Fritz-Ruf-Preis 2024 |
| 2021 | Efficiency record of all silicon based tandem solar cells with 35.9 % (AM1.5g) |
| 2019 | PhD scholarship by the Heinrich Böll Stiftung |
| Since 2020 | Monolithic III-V multi-junction solar cells under concentrated irradiance (50Prozent, BMWK, Fkz. 03EE1060) |
| 2018-2020 | Waferbonded III-V//Si triple-junction solar cell (PoTaSi, BMWK, Fkz. 0324247) |
| Organisational committee for the formation of a research school | |
| 2021 – 2023 | Speaker of the PhD student convention |
| since 2020 | Supervision of research assistants and Master students |
| 2018 – 2019 | Supervision of PV laboratory course, Freiburg University |
| Jahr Year | Titel/Autor:in Title/Author | Publikationstyp Publication Type |
|---|---|---|
| 2025 | Wafer-bonded two-terminal III-V//Si triple-junction solar cell with power conversion efficiency of 36.1% at AM1.5g Schygulla, Patrick; Müller, Ralph; Höhn, Oliver; Schachtner, Michael; Chojniak, David; Cordaro, Andrea; Tabernig, Stefan; Bläsi, Benedikt; Polman, Albert; Siefer, Gerald; Lackner, David; Dimroth, Frank |
Zeitschriftenaufsatz Journal Article |
| 2024 | TOPCon R&D Status and Developments Update Wolf, Andreas; Mack, Sebastian; Richter, Armin; Krieg, Katrin; Lohmüller, Elmar; Polzin, Jana-Isabelle; Schube, Jörg; Thome, Fabian; Hammann, Benjamin; Hanser, Mario; Nagel, Henning; Horzel, Jörg; Schygulla, Patrick; Huyeng, Jonas; Kluska, Sven; Benick, Jan; Hofmann, Marc; Greulich, Johannes; Rentsch, Jochen; Clement, Florian; Glunz, Stefan; Preu, Ralf |
Vortrag Presentation |
| 2024 | III-V-Semiconductor Subcell Absorbers in Silicon-Based Triple-Junction Solar Cells Schygulla, Patrick |
Dissertation Doctoral Thesis |
| 2024 | Recent Progress in Monolithic Two-Terminal Perovskite-Based Triple-Junction Solar Cells Heydarian, Minasadat; Heydarian, Maryamsadat; Schygulla, Patrick; Reichmuth, Kasimir; Bett, Alexander J.; Hohl-Ebinger, Jochen; Schindler, Florian; Hermle, Martin; Schubert, Martin; Schulze, Patricia; Borchert, Anna Juliane; Glunz, Stefan |
Zeitschriftenaufsatz Journal Article |
| 2024 | Sheet Resistance Optimization in (Al)GaInP Solar Cells for Concentrator Quadruple-Junction Solar Cells Klitzke, Malte; Schygulla, Patrick; Schön, Jonas; Höhn, Oliver; Siefer, Gerald; Helmers, Henning; Dimroth, Frank; Lackner, David |
Zeitschriftenaufsatz Journal Article |
| 2024 | Advancing Solar Energy Conversion Efficiency to 47.6% and Exploring the Spectral Versatility of III-V Photonic Power Converters Helmers, Henning; Höhn, Oliver; Lackner, David; Schygulla, Patrick; Klitzke, Malte; Schön, Jonas; Pellegrino, Carmine; Oliva, Eduard; Schachtner, Michael; Beutel, Paul; Heckelmann, Stefan; Predan, Felix; Ohlmann, Jens; Siefer, Gerald; Dimroth, Frank |
Konferenzbeitrag Conference Paper |
| 2023 | Wafer-Bonded Two-Terminal III-V//Si Triple-Junction Solar Cell with Power Conversion Efficiency of 36,1% at AM1.5G Schygulla, Patrick; Müller, Ralph; Höhn, Oliver; Schachtner, Michael; Chojniak, David; Cordaro, Andrea; Tabernig, Stefan; Bläsi, Benedikt; Polman, Albert; Siefer, Gerald; Lackner, David; Dimroth, Frank |
Konferenzbeitrag Conference Paper |
| 2023 | Mask and plate: a scalable front metallization with low-cost potential for III-V-based tandem solar cells enabling 31.6 % conversion efficiency Schube, Jörg; Höhn, Oliver; Schygulla, Patrick; Müller, Ralph; Jahn, Mike; Mikolasch, Gabriele; Steiner, Marc; Predan, Felix; Bartsch, Jonas; Dimroth, Frank; Clement, Florian; Keding, Roman |
Zeitschriftenaufsatz Journal Article |
| 2023 | III-V Material Growth on Electrochemically Porosified Ge Substrates Winter da Costa, Edgard; Schreiber, Waldemar; Schygulla, Patrick; Lustoza de Souza, Patricia; Janz, Stefan; Lackner, David; Ohlmann, Jens |
Zeitschriftenaufsatz Journal Article |
| 2023 | Effective radiative recombination coefficient of p-AlGaAs for varying aluminium concentrations Schygulla, Patrick; Lang, Robin; Lackner, David |
Zeitschriftenaufsatz Journal Article |
| 2023 | Nano-patterned back-reflector with engineered near-/far-field light scattering for enhanced light trapping in silicon-based multi-junction solar cells Cordaro, Andrea; Müller, Ralph; Tabernig, Stefan; Tucher, Nico; Schygulla, Patrick; Höhn, Oliver; Bläsi, Benedikt; Polman, Albert |
Zeitschriftenaufsatz Journal Article |
| 2022 | Realization of Ultrathin GaAs Photonic Power Converters with Rear-Side Metal Grating on Full 4" Wafers Höhn, Oliver; Schauerte, Meike; Schygulla, Patrick; Hauser, Hubert; Lackner, David; Bläsi, Benedikt; Helmers, Henning |
Konferenzbeitrag Conference Paper |
| 2022 | Revealing fundamentals of charge extraction in photovoltaic devices through potentiostatic photoluminescence imaging Wagner, Lukas; Schygulla, Patrick; Herterich, Jan Philipp; Elshamy, Mohamed; Bogachuk, Dmitry; Zouhair, Salma; Mastroianni, Simone; Würfel, Uli; Liu, Yuhang; Zakeeruddin, Shaik M.; Grätzel, Michael; Hinsch, Andreas; Glunz, Stefan |
Zeitschriftenaufsatz Journal Article |
| 2022 | Increasing Transferability between Design and Epitaxial Growth of Multi-Junction Solar Cells Schygulla, Patrick; Klitzke, Malte; Höhn, Oliver; Predan, Felix; Lackner, David; Schön, Jonas; Tibbits, Thomas; Helmers, Henning; Dimroth, Frank |
Konferenzbeitrag Conference Paper |
| 2022 | Two-terminal III-V//Si triple-junction solar cell with power conversion efficiency of 35.9 % at AM1.5g Schygulla, Patrick; Müller, Ralph; Lackner, David; Höhn, Oliver; Hauser, Hubert; Bläsi, Benedikt; Predan, Felix; Benick, Jan; Hermle, Martin; Glunz, Stefan W.; Dimroth, Frank |
Zeitschriftenaufsatz Journal Article |
| 2022 | Quadruple Junction Solar Cell with 47.6 % Conversion Efficiency under Concentration Schygulla, Patrick; Beutel, Paul; Heckelmann, Stefan; Höhn, Oliver; Klitzke, Malte; Schön, Jonas; Oliva, Eduard; Predan, Felix; Schachtner, Michael; Siefer, Gerald; Helmers, Henning; Dimroth, Frank; Lackner, David |
Vortrag Presentation |
| 2022 | Analysis for Efficiency Potential of II-VI Compound, Chalcopyrite, and Kesterite-Based Tandem Solar Cells Yamaguchi, Masafumi; Tampo, H.; Shibata, H.; Schygulla, Patrick; Dimroth, Frank; Kojima, N.; Oshita, Y. |
Zeitschriftenaufsatz Journal Article |
| 2021 | Two-Terminal III-V//Si Triple-Junction Solar Cells with Power Conversion Efficiency of 35.9 % at AM1.5g Schygulla, Patrick; Müller, Ralph; Höhn, Oliver; Hauser, Hubert; Bläsi, Benedikt; Predan, Felix; Benick, Jan; Hermle, Martin; Dimroth, Frank; Glunz, Stefan W.; Lackner, David |
Konferenzbeitrag Conference Paper |
| 2021 | Middle Cell Development for Wafer-Bonded III-V//Si Tandem Solar Cells Schygulla, Patrick; Heinz, Friedemann D.; Dimroth, Frank; Lackner, David |
Zeitschriftenaufsatz Journal Article |
| 2020 | Subcell Development for Wafer-Bonded III-V//Si Tandem Solar Cells Schygulla, Patrick; Heinz, Friedemann D.; Lackner, David; Dimroth, Frank |
Konferenzbeitrag Conference Paper |
| 2020 | 34.1 % Efficient GaInP/AlGaAs//Si Tandem Cell Dimroth, Frank; Schygulla, Patrick; Lackner, David; Müller, Ralph; Benick, Jan; Beutel, Paul; Predan, Felix; Höhn, Oliver; Hauser, Hubert; Siefer, Gerald; Hermle, Martin; Glunz, Stefan W. |
Konferenzbeitrag Conference Paper |
| 2020 | Silicon-Based Monolithic Triple-Junction Solar Cells with Conversion Efficiency >34% Müller, Ralph; Schygulla, Patrick; Lackner, David; Höhn, Oliver; Hauser, Hubert; Richter, Armin; Fell, Andreas; Bläsi, Benedikt; Predan, Felix; Benick, Jan; Hermle, Martin; Dimroth, Frank; Glunz, Stefan W. |
Konferenzbeitrag Conference Paper |
| 2020 | Determination of the Complex Refractive Index of Compound Semiconductor Alloys for Optical Device Modelling Schygulla, Patrick; Fuß-Kailuweit, Peter; Höhn, Oliver; Dimroth, Frank |
Zeitschriftenaufsatz Journal Article |
| 2020 | Two-Terminal direct Wafer bonded GaInP/AlGaAs//Si Triple-Junction Solar Cell with AM1.5g Efficiency of 34.1 % Lackner, David; Höhn, Oliver; Müller, Ralph; Beutel, Paul; Schygulla, Patrick; Hauser, Hubert; Predan, Felix; Siefer, Gerald; Schachtner, Michael; Schön, Jonas; Benick, Jan; Hermle, Martin; Dimroth, Frank |
Zeitschriftenaufsatz Journal Article |
Fraunhofer Institute for Solar Energy Systems ISE