Head of Department Characterization and Simulation, Division Photovoltaics
| since 2017 | Head of Department Characterization and Simulation |
| 2013-2014 | Guest Professor at Meiji-University, Tokyo within the frame of a JSPS Fellowship for Foreign Researchers |
| 2012-2016 | Head of Group "Material and Cell Analysis" at Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany |
| 2012 | Research stay at the Australian National University, Canberra, Australia within a DAAD exchange fellowship |
| 2009-2012 | Head of Team "Silicon Material Characterization" at Fraunhofer ISE |
| 2008-2009 | Scientist at Fraunhofer ISE |
| 2008 | Graduation to Dr. rer. nat. (corresponding to PhD) at University of Konstanz/Fraunhofer ISE. Title (translated): "Detection of infrared radiation for material characterization of silicon for solar cells" (German) |
| 2003 | Graduation to Diplom-Physiker (corresponding to Master of Physics) at Albert-Ludwigs-University Freiburg, Germany. Title (translated): "Thermographic methods for spatially resolved measurement of carrier lifetime in silicon" (German) in cooperation with Fraunhofer ISE |
| 2000 | Graduation: "Licence de Physique" at Université Montpellier II Sciences et Techniques du Languedoc, Montpellier, France |
| 2013-2014 | Fellowship for foreign researchers of the Japanese Society of Promotion of Science JSPS (in conjunction with the von Alexander von Humboldt Society) |
| 2013 |
Ulrich Gösele Young Scientist Award |
| since 2013 | Humboldt fellow |
| 2012 | Fellowship for Scientific Exchange from the German Academic Exchange Service DAAD |
| 2017 | Characterization of solar cells: From feedstock quality to final cell efficiency University of Freiburg |
| 2015-2016 | Photovoltaische Energiekonversion I&II (Prof. Dr. Stefan Glunz, Dr. Martin Schubert, Dr. Jan Christoph Goldschmidt), University of Freiburg |
| 2013 | Silicon Solar Cells – Principle, Material, Characterization Meiji University, Kawasaki, Japan |
| 2013 | Silicon Solar Cells – Concept with Focus on Silicon Material Nagoya University, Nagoya, Japan |
| since 2011 | Crystalline Silicon Photovoltaics (Prof. Dr. Stefan Glunz, Dr. Martin Schubert, Dr. Harry Wirth), University of Freiburg Master Online Photovoltaics (MOPV) |
External publication list on Google Scholar
Publication list from the Fraunhofer-Publica database:
| Jahr Year | Titel/Autor:in Title/Author | Publikationstyp Publication Type |
|---|---|---|
| 2023 | The Impact of Different Hydrogen Configurations on Light- and Elevated-Temperature-Induced Degradation Hammann, Benjamin; Assmann, Nicole; Weiser, Philip M.; Kwapil, Wolfram; Niewelt, Tim; Schindler, Florian; Søndenå, Rune; Monakhov, Eduard V.; Schubert, Martin |
Zeitschriftenaufsatz Journal Article |
| 2023 | Spectrometric Characterization of Monolithic Perovskite/Silicon Tandem Solar Cells Bett, Alexander J.; Chojniak, David; Schachtner, Michael; Reichmuth, Kasimir; Kabakli, Özde Seyma; Schulze, Patricia; Fischer, Oliver; Schindler, Florian; Hohl-Ebinger, Jochen; Siefer, Gerald; Schubert, Martin |
Zeitschriftenaufsatz Journal Article |
| 2023 | A Grain Orientation-Independent Single-Step Saw Damage Gettering/Wet texturing Process for Efficient Silicon Solar Cells Jung, Yujin; Min, Kwan Hong; Post, Regina; Kwapil, Wolfram; Schubert, Martin; Kim, Donghwan; Kang, Yoonmook; Lee, Hae-Sok |
Zeitschriftenaufsatz Journal Article |
| 2023 | Spectrometric Determination of Current Matching in Perovskite/Silicon Tandem Solar Cells Bett, Alexander J.; Chojniak, David; Schachtner, Michael; Reichmuth, Kasimir; Schulze, Patricia; Kabakli, Özde Seyma; Heydarian, Minasadat; King, Hunter; Sittinger, Volker; Schindler, Florian; Goldschmidt, Jan Christoph; Hohl-Ebinger, Jochen; Siefer, Gerald; Bett, Andreas W.; Schubert, Martin |
Konferenzbeitrag Conference Paper |
| 2023 | Understanding the Impact of the Cooling Ramp of the Fast-Firing Process on Light- and Elevated-Temperature-Induced Degradation Hammann, Benjamin; Aßmann, Nicole; Schön, Jonas; Kwapil, Wolfram; Schindler, Florian; Roder, Sebastian; Monakhov, Eduard V.; Schubert, Martin |
Zeitschriftenaufsatz Journal Article |
| 2023 | Maximizing Current Density in Monolithic Perovskite Silicon Tandem Solar Cells Heydarian, Minasadat; Meßmer, Christoph Alexander; Bett, Alexander J.; Heydarian, Maryamsadat; Chojniak, David; Kabakli, Özde Seyma; Tutsch, Leonard; Bivour, Martin; Siefer, Gerald; Schubert, Martin; Goldschmidt, Jan Christoph; Hermle, Martin; Glunz, Stefan; Schulze, Patricia |
Zeitschriftenaufsatz Journal Article |
| 2023 | Process influences on LeTID in Ga-doped silicon Maischner, Felix; Kwapil, Wolfram; Greulich, Johannes; Jung, Yujin; Höffler, Hannes; Saint-Cast, Pierre; Schubert, Martin; Rein, Stefan; Glunz, Stefan |
Zeitschriftenaufsatz Journal Article |
| 2023 | On the Conversion Between Recombination Rates and Electronic Defect Parameters in Semiconductors Juhl, Mattias K.; Heinz, Friedemann; Coletti, Gianluca; Rougieux, Fiacre; Sun, Chang; Vacqueiro Contreras, Michelle; Niewelt, Tim; Krich, Jacob; Schubert, Martin |
Zeitschriftenaufsatz Journal Article |
| 2023 | Epitaxially Grown p-type Silicon Wafers Ready for Cell Efficiencies Exceeding 25% Rittmann, Clara; Schindler, Florian; Richter, Armin; Niewelt, Tim; Stolzenburg, Hannah; Steinhauser, Bernd; Dalke, Jonas; Drießen, Marion; Weiss, Charlotte; Janz, Stefan; Schubert, Martin |
Zeitschriftenaufsatz Journal Article |
| 2023 | Measurement of Local Recombination Activity in High Diffusion Length Semiconductors Heinz, Friedemann; Oezkent, Maximilian; Rittmann, Clara; Schindler, Florian; Schubert, Martin; Kwapil, Wolfram; Glunz, Stefan |
Zeitschriftenaufsatz Journal Article |
| 2023 | Quantifying Surface Recombination - Improvements in Determination and Simulation of the Surface Recombination Parameter J0s Hammann, Benjamin; Steinhauser, Bernd; Fell, Andreas; Post, Regina; Niewelt, Tim; Kwapil, Wolfram; Wolf, Andreas; Richter, Armin; Höffler, Hannes; Schubert, Martin |
Zeitschriftenaufsatz Journal Article |
| 2022 | Assessing Current-Voltage Measurements of Busbarless Solar Cells Rauer, Michael; Krieg, Alexander; Fell, Andreas; Pingel, Sebastian; Wöhrle, Nico; Greulich, Johannes; Rein, Stefan; Schubert, Martin; Hohl-Ebinger, Jochen |
Zeitschriftenaufsatz Journal Article |
| 2022 | Monolithic 2-Terminal Perovskite Silicon Tandem Solar Cells Schulze, Patricia; Kabakli, Özde Seyma; McMullin, Kaitlyn; Heydarian, Minasadat; Er-Raji, Oussama; Heydarian, Maryamsadat; Efinger, Raphael; Schultz-Wittmann, Oliver; Meßmer, Christoph Alexander; Bett, Alexander J.; Fischer, Oliver; Tutsch, Leonard; Erath, Denis; Pingel, Sebastian; Hatt, Thibaud; Schubert, Martin; Bivour, Martin; Goldschmidt, Jan Christoph; Hermle, Martin; Glunz, Stefan |
Vortrag Presentation |
| 2022 | Monolithic 2-Terminal Perovskite Silicon Tandem Solar Cells Schulze, Patricia; Kabakli, Özde Seyma; Bivour, Martin; Heydarian, Minasadat; Er-Raji, Oussama; Heydarian, Maryamsadat; Efinger, Raphael; Schultz-Wittmann, Oliver; Meßmer, Christoph Alexander; Bett, Alexander J.; Fischer, Oliver; Tutsch, Leonard; Erath, Denis; Pingel, Sebastian; Hatt, Thibaud; Schubert, Martin; Goldschmidt, Jan Christoph; Hermle, Martin; Glunz, Stefan |
Vortrag Presentation |
| 2022 | Carrier Lifetime Limitation of Industrial Ga-Doped Cz-Grown Silicon after Different Solar Cell Process Flows Post, R.; Niewelt, T.; Kwapil, W.; Schubert, M. |
Zeitschriftenaufsatz Journal Article |
| 2022 | Spectrometric Determination of Current Matching in Perovskite/Silicon Tandem Solar Cells Bett, Alexander J.; Chojniak, David; Schachtner, Michael; Reichmuth, Kasimir; Schulze, Patricia; Kabakli, Özde Seyma; Schindler, Florian; Heydarian, Maryamsadat; King, Hunter; Sittinger, Volker; Goldschmidt, Jan Christoph; Hohl-Ebinger, Jochen; Siefer, Gerald; Bett, Andreas W.; Schubert, Martin |
Vortrag Presentation |
| 2022 | Upscaling of Perovskite-Silicon Tandem Solar Cells Schultz-Wittmann, Oliver; Schulze, Patricia; Er-Raji, Oussama; Efinger, Raphael; Kabakli, Özde Seyma; Heydarian, Maryamsadat; Mc Mullin, Kaitlyn; Fischer, Oliver; Bett, Alexander J.; Erath, Denis; Pingel, Sebastian; Heitmann, Ulrike; Kiaee, Zohreh; Kohlstädt, Markus; Kore, Bhushan; Nagel, Henning; Schubert, Martin; Bivour, Martin; Goldschmidt, Jan Christoph; Borchert, Anna Juliane; Hermle, Martin; Glunz, Stefan |
Konferenzbeitrag Conference Paper |
| 2022 | Combining drift-diffusion and equivalent-circuit models for efficient 3D tandem solar cell simulations Fell, Andreas; Schultz-Wittmann, Oliver; Meßmer, Christoph Alexander; Schubert, Martin; Glunz, Stefan |
Zeitschriftenaufsatz Journal Article |
| 2022 | Identification of the LeTID Defect Formation as a Hydrogen-Related Dissociation Process Hammann, Benjamin; Rachdi, Lazhar; Kwapil, Wolfram; Schindler, Florian; Schubert, Martin |
Konferenzbeitrag Conference Paper |
| 2022 | Efficient Charge Carrier Extraction in Perovskite-Silicon Tandem Solar Cells Investigated by Numerical Simulation Meßmer, Christoph Alexander; Schön, Jonas; Würfel, Uli; Schulze, Patricia; Schubert, Martin; Bivour, Martin; Glunz, Stefan; Hermle, Martin |
Konferenzbeitrag Conference Paper |
| 2022 | Monolithic 2-Terminal Perovskite Silicon Tandem Solar Cells Schulze, Patricia; Kabakli, Özde Seyma; Meßmer, Christoph Alexander; Heydarian, Minasadat; Er-Raji, Oussama; Heydarian, Maryamsadat; Efinger, Raphael; Schultz-Wittmann, Oliver; Fischer, Oliver; Bett, Alexander J.; Tutsch, Leonard; Pingel, Sebastian; Schubert, Martin; Hatt, Thibaud; Erath, Denis; Bivour, Martin; Goldschmidt, Jan Christoph; Glunz, Stefan; Hermle, Martin |
Vortrag Presentation |
| 2022 | Epitaxially grown p-type silicon wafers ready for cell efficiencies exceeding 25 % Rittmann, Clara; Dalke, Jonas; Richter, Armin; Steinhauser, Bernd; Drießen, Marion; Weiss, Charlotte; Schindler, Florian; Schubert, Martin; Janz, Stefan; Niewelt, Tim; Stolzenburg, Hannah |
Vortrag Presentation |
| 2021 | Monolithic 2-terminal perovskite silicon tandem solar cells Schulze, Patricia; Kabakli, Özde Seyma; Bett, Alexander J.; Bivour, Martin; Efinger, Raphael; Fett, Bastian; Hähnel, Angelika; Hagendorf, Christian; Herbig, Bettina; Heydarian, Maryamsadat; Heydarian, Minasadat; King, Hunter; Lange, Stefan; Luderer, Christoph; Meßmer, Christoph Alexander; Naumann, Volker; Penn, Michaela; Romero Sierra, Camila A.; Schubert, Martin; Sittinger, Volker; Tutsch, Leonard; Hermle, Martin; Glunz, Stefan W.; Bett, Andreas W.; Goldschmidt, Jan Christoph |
Konferenzbeitrag Conference Paper |
| 2021 | The Potential of Cast Silicon Schubert, M.; Schindler, F.; Benick, J.; Riepe, S.; Krenckel, P.; Richter, A.; Müller, R.; Hammann, B.; Nold, S. |
Zeitschriftenaufsatz Journal Article |
| 2021 | Extraordinarily High Minority Charge Carrier Lifetime Observed in Crystalline Silicon Steinhauser, B.; Niewelt, T.; Richter, A.; Eberle, R.; Schubert, M. |
Zeitschriftenaufsatz Journal Article |
| 2019 | Analysis of Temperature Dependent Characteristics of Diffused Regions in Silicon Solar Cells Eberle, R.; Fell, A.; Richter, A.; Niewelt, T.; Schindler, F.; Schubert, M. |
Konferenzbeitrag Conference Paper |
| 2018 | Limiting Effects in Crystalline Silicon for High-Efficiency Solar Cells Niewelt, T.; Richter, A.; Eberle, R.; Post, R.; Schön, J.; Schindler, F.; Hermle, M.; Kwapil, W.; Schubert, M. |
Vortrag Presentation |
| 2018 | Approach for a Holistic Optimization from Wafer to PV System Mittag, M.; Reise, C.; Wöhrle, N.; Eberle, R.; Schubert, M.; Heinrich, M. |
Konferenzbeitrag Conference Paper |
| 2017 | How to assess the electrical quality of silicon material Michl, B.; Schindler, F.; Schubert, M. |
Vortrag Presentation |
| 2017 | Enabling stress determination on alkaline textured silicon using Raman sprectroscopy Büchler, A.; Beinert, A.; Kluska, S.; Haueisen, V.; Romer, P.; Heinz, F.D.; Glatthaar, M.; Schubert, M. |
Zeitschriftenaufsatz Journal Article |
| 2016 | Benefits and Disadvantages of p- and n-type Doping for Multicrystalline Silicon Schubert, M. |
Vortrag Presentation |
| 2016 | N-type multicrystalline silion for high efficiency solar cells Riepe, S.; Krenckel, P.; Schindler, F.; Schubert, M.; Benick, J. |
Zeitschriftenaufsatz Journal Article |
| 2016 | Monolithic perovskite silicon tandem solar cells with advanced optics Goldschmidt, J.C.; Bett, A.J.; Bivour, M.; Bläsi, B.; Eisenlohr, J.; Kohlstädt, M.; Lee, S.; Mastroianni, S.; Mundt, L.; Mundus, M.; Ndione, P.; Reichel, C.; Schubert, M.; Schulze, P.S.C.; Tucher, N.; Veit, C.; Veurman, W.; Wienands, K.; Winkler, K.; Würfel, U.; Glunz, S.W.; Hermle, M. |
Konferenzbeitrag Conference Paper |
| 2014 | Verfahren und Vorrichtung zur Bestimmung von Materialparametern, insbesondere der Ladungsträgerlebensdauer eines Halbleitersubstrates durch Messung von Lumineszenzstrahlung Giesecke, Johannes; Schubert, Martin; Warta, Wilhelm |
Patent |
| 2014 | Fast hot spot evaluation Geisemeyer, I.; Fertig, F.; Warta, W.; Rein, S.; Schubert, M. |
Konferenzbeitrag Conference Paper |
| 2014 | Impact of iron precipitates on carrier lifetime in as-grown and phosphorus-gettered multicrystalline silicon wafers in model and experiment Kwapil, W.; Schön, J.; Schindler, F.; Warta, W.; Schubert, M. |
Zeitschriftenaufsatz Journal Article |
| 2014 | Identifying the impact of surface recombination at electrodes in organic solar cells by means of electroluminescence and modeling Reinhardt, J.; Grein, M.; Bühler, C.; Schubert, M.; Würfel, U. |
Zeitschriftenaufsatz Journal Article |
| 2014 | Solar cell efficiency losses due to impurities from the crucible in multicrystalline silicon Schindler, F.; Michl, B.; Schön, J.; Kwapil, W.; Warta, W.; Schubert, M. |
Zeitschriftenaufsatz Journal Article |
| 2013 | Analyses of the evolution of iron-silicide precipitates in multicrystalline silicon during solar cell processing Schön, J.; Haarahiltunen, A.; Savin, H.; Fenning, D.P.; Buonassisi, T.; Warta, W.; Schubert, M. |
Zeitschriftenaufsatz Journal Article |
| 2013 | Accurate determination of minority carrier mobility in silicon from quasi-steady-state photoluminescence Giesecke, J.; Schindler, F.; Bühler, M.; Schubert, M.; Warta, W. |
Zeitschriftenaufsatz Journal Article |
| 2013 | Excellent average diffusion lenghts of 600 µm of n-Type multicrystalline silicon wafers after the full solar cell process including boron diffusion Michl, B.; Benick, J.; Richter, A.; Bivour, M.; Yong, J.; Steeman, R.; Schubert, M.; Glunz, S.W. |
Zeitschriftenaufsatz Journal Article |
| 2013 | Impact on iron surface contamination on the lifetime degradation of samples passivated by fired AL2O3/SiNx Breitenstein, L.; Schön, J.; Schubert, M.; Warta, W. |
Zeitschriftenaufsatz Journal Article |
| 2012 | Broad Range Injection-Dependent Minority Carrier Lifetime from Photoluminescence Giesecke, J.; Niewelt, T.; Rüdiger, M.; Rauer, M.; Schubert, M.; Warta, W. |
Zeitschriftenaufsatz Journal Article |
| 2011 | Impact of Junction Breakdown in Multi-Crystalline Silicon Solar Cells on Hot Spot Formation and Module Performance Fertig, F.; Rein, S.; Schubert, M.; Warta, W. |
Konferenzbeitrag Conference Paper |
| 2008 | Messverfahren für eine Halbleiterstruktur Würfel, P.; Schubert, M.; Kasemann, M.; Warta, W. |
Patent |
| 2008 | Analysis of the physical origin of trap centres and their effect on solar cells Gundel, P.; Schubert, M.; Allardt, M.; Warta, W. |
Konferenzbeitrag Conference Paper |
| 2007 | Lifetime studies on laser drilled vias for application in emitter-wrap-through-solar cells Mingirulli, N.; Grohe, A.; Dohrn, A.; Hofmann, M.; Schubert, M.; Roth, T.; Biro, D.; Preu, R. |
Konferenzbeitrag Conference Paper |
| 2007 | Investigations of diffusion barriers for application in back-contacted solar cells Drießen, M.; Mingirulli, N.; Pingel, S.; Schubert, M.; Biro, D.; Preu, R. |
Konferenzbeitrag Conference Paper |
| 2007 | Low cost using ultra-thin bifacial cells Jimeno, J.C.; Bueno, G.; Lago, R.; Freire, I.; Perez, L.; Recart, F.; Hoces, I.; Azkona, N.; Alonso, J.; Sanchez-Friera, P.; Glunz, S.W.; Emanuel, G.; Ruiz, R.; Pohl, A.; Wolke, W.; Schubert, M.; Gavilanes, I.; Ezker, M.; Zugasti, E.; Turumbay, A.; Sato, H.; Bragagnolo, J.; Nasch, P.M.; Ostapenko, S.; Belyaev, A.; Dallas, W.; Polupan, O.; Albertsen, K.; Shaikh, A.; Kerp, H.; Salami, J. |
Konferenzbeitrag Conference Paper |
| 2007 | Quantitative carrier lifetime images optically measured on rough silicon wafers Schubert, M.; Pingel, S.; The, M.; Warta, W. |
Zeitschriftenaufsatz Journal Article |
| 2006 | Verfahren und Vorrichtung zur Inaktivierung von Trapping-Effekten in dotierten Halbleitern Schubert, M.; Rein, S.; Isenberg, J.; Warta, W.; Glunz, S.W. |
Patent |
Fraunhofer Institute for Solar Energy Systems ISE