Prof. Dr. Andreas Bett

Director, Division Institute Directorate

Research focus

The main areas of research of Prof. Dr. Andreas Bett include solar silicon material, epitaxial growth of Si and III-V semiconductors, development of characterisation techniques for advanced solar cell devices and the fabrication of solar cells. Furthermore, he develops concentrator module and systems and is involved in field testing.
He is also co-founder of the company Concentrix Solar which manufactures and installs CPV systems. In addition he is active member in the IEC TC82 WG7 for standardisation of CPV technologies and member of the European PV Platform WG3. He has organised several international conferences and served in many scientific committees. 

Curriculum vitae

Prof. Dr. Andreas W. Bett is director of the Fraunhofer Institute for Solar Energy Systems ISE in Freiburg, Germany and operates the chair »Solar Energy - Materials and Technologies» in the Faculty of Mathe-matics and Physics, University of Freiburg. He received the Dipl. degree in physics and the state exami-nation in physics and mathematics from the University of Freiburg, Germany in 1988 and 1989, respec-tively and the PhD degree in physics from the University of Konstanz, Germany in 1992. He joined the Fraunhofer Institute for Solar Energy Systems, ISE in 1987. In 1993 he became the head of the group »III-V – epitaxy and solar cells«. From 2007 until 2016 he was division director »Materials – Solar Cells and Technology« and from 2009 until 2016 he was deputy director of the institute. In 2017 he was ap-pointed director of the institute.

Awards & outstanding achievements

In 2009 Prof. Dr. Andreas Bett received the 17th European Becquerel Prize for outstanding merits in photovoltaics. In 2010 he was awarded with the Joseph von Fraunhofer Prize and the EARTO Prize and in 2012 he received the German Environmental Prize for his efforts and achievements in industrialisation of CPV technology. In 2023, he won WSS Research Award by the Werner Siemens-Foundation for the submission "Höchsteffiziente Erzeugung von Strom und Wasserstoff aus der Solarenergie" at the ideas competition.

Publications

Jahr
Year
Titel/Autor:in
Title/Author
Publikationstyp
Publication Type
2024 Passivating Inorganic Interlayers at the Perovskite/C60 Interface in Monolithic Perovskite Silicon Tandem Solar Cells
Modes, Johanna; Schulze, Patricia; Hartwig, Carl Eric; Lange, Stefan; Richter, Armin; Borchert, Anna Juliane; Bett, Andreas W.
Vortrag
Presentation
2024 Transition of the Energy System and the Impact of Photovoltaics
Bett, Andreas W.
Vortrag
Presentation
2024 Future Photovoltaic Technology
Bett, Andreas W.
Vortrag
Presentation
2024 Passivation and Charge Carrier Selectivity Optimization for Narrow Bandgap Perovskite Solar Cells
Vicha, Athanasia; Loukeris, Georgios; Kohlstädt, Markus; Würfel, Uli; Bett, Andreas W.
Vortrag
Presentation
2024 Numerical Simulations of the Screen-Printing Process for Solar Cell Metallization
Hoger, Tom; Singler, Marius; Lorenz, Andreas; Clement, Florian; Bett, Andreas W.
Vortrag
Presentation
2024 Method development for gas adsorption measurements on proton exchange membrane fuel cell catalyst layers
Kolla, Maria; Christmann, Kläre; Gierse, Sophia; Groos, Ulf; Bett, Andreas W.
Vortrag
Presentation
2023 Die Photovoltaik in Erneuerbaren Energiesystemen und aktuelle Forschungsergebnisse
Bett, Andreas W.
Vortrag
Presentation
2023 Nachhaltige Photovoltaik-Produktion in Europa - Jetzt die Chancen ergreifen
Bett, Andreas W.
Vortrag
Presentation
2023 Interface Engineering to reduce non-radiative recombination losses at the perovskite/C60 interface in monolithic perovskite silicon tandem solar cells:
Modes, Johanna; Schulze, Patricia; Mc Mullin, Kaitlyn; Heydarian, Maryamsadat; Meßmer, Christoph Alexander; Borchert, Anna Juliane; Bett, Andreas W.
Vortrag
Presentation
2023 Photovoltaics - from the Origins of Fraunhofer Institute for Solar Energy Systems to the Present Day
Bett, Andreas W.
Vortrag
Presentation
2023 PV-Produktion in Europa - Aktueller Status
Bett, Andreas W.; Rentsch, Jochen; Preu, Ralf
Konferenzbeitrag
Conference Paper
2023 Photovoltaics at Multi-Terawatt Scale: Waiting is not an Option
Haegel, Nancy M.; Verlinden, Pierre; Victoria, Marta; Altermatt, Pietro; Atwater, Harry; Barnes, Teresa; Breyer, Christian; Case, Chris; Wolf, Stefaan de; Deline, Chris; Dharmrin, Marwan; Dimmler, Bernhard; Gloeckler, Markus; Goldschmidt, Jan Christoph; Hallam, Bret; Haussener, Sophia; Holder, Burkhard; Jaeger, Ulrich; Jaeger-Waldau, Arnulf; Kaizuka, Izumi; Kikusator, Hiroshi; Kroposki, Benjamin; Kurtz, Sarah; Matsubara, Koji; Nowak, Stefan; Ogimoto, Kazuhiko; Peter, Christian; Peters, I. Marius; Philipps, Simon; Powalla, Michael; Rau, Uwe; Reindl, Thomas; Roumpani, Maria; Sakurai, Keiichiro; Schorn, Christian; Schlatmann, Rutger; Schossig, Peter; Schlatmann, Rutger; Sinton, Ron; Slaoui, Abdelilah; Smith, Brittany L.; Schneidewind, Peter; Stanbery, Billy; Topic, Marko; Tumas, William; Vasi, Juzer; Vetter, Matthias; Weber, Eicke; Weeber, Arthur; Weidlich, Anke; Weiss, Dirk; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2023 AlP based III-V Nucleation on Silicon
Grutke, Jonas; Firoozabadi, Saleh; Bett, Andreas W.; Lackner, David; Volz, Kerstin; Dimroth, Frank; Ohlmann, Jens
Vortrag
Presentation
2023 Tuning Crystallization for Highly Efficient Perovskite Silicon Tandem Solar Cells
Mahmoud, Mohamed Abdelaziz Abdelnaby; Er-Raji, Oussama; Schulze, Patricia; Borchert, Anna Juliane; Bett, Andreas W.
Vortrag
Presentation
2023 Impuls Photovoltaik: Im Energiesystem und Produktion
Bett, Andreas W.
Vortrag
Presentation
2023 Photovoltaics on Earth vs. Space
Lackner, David; Philipps, Simon; Bett, Andreas W.
Vortrag
Presentation
2023 Photocatalytic conversion of carbon dioxide into methane for solar fuel production using a TiO2 functionalized thin-film micro-reactor
Thalheim, Sebastian; Lorenz, Andreas; Wenzel, Timo; Pachigar, Bhavi; Knäbbeler-Buß, Markus; Witt, Diana; Bujnoch, Elisabeth; Bett, Andreas W.
Vortrag
Presentation
2023 R&D and Innovations for Photovoltaics
Bett, Andreas W.
Vortrag
Presentation
2022 The Promise Towards Terawatt Photovoltaics
Bett, Andreas W.
Vortrag
Presentation
2022 Herausforderung Energiewende - Was muss getan werden?
Bett, Andreas W.
Vortrag
Presentation
2022 Tuning Perovskite Crystallization in the Hybrid Route
Mahmoud, Mohamed Abdelaziz Abdelnaby; Schulze, Patricia; Bett, Andreas W.; Er-Raji, Oussama
Vortrag
Presentation
2022 Warum wir eine europäische PV-Industrie brauchen und wie das gehen könnte
Bett, Andreas W.
Vortrag
Presentation
2022 Lessons learned from 25 years production technology research & development
Preu, Ralf; Rentsch, Jochen; Rein, Stefan; Clement, Florian; Nekarda, Jan; Saint-Cast, Pierre; Lohmüller, Sabrina; Lohmüller, Elmar; Greulich, Johannes; Wöhrle, Nico; Mack, Sebastian; Wolf, Andreas; Pingel, Sebastian; Steinmetz, Anamaria; Baliozian, Puzant; Goraya, Baljeet Singh; Nold, Sebastian; Glunz, Stefan; Bett, Andreas W.
Vortrag
Presentation
2022 Herausforderungen bei der Energiewende
Bett, Andreas W.
Vortrag
Presentation
2022 Wie kann der Ausbau von Photovoltaik und Windenergie beschleunigt werden?
Bett, Andreas W.; Erlach, Berit; Gölz, Sebastian; Gutnik, Magdalena; Müller, Florian Y.; Stryi-Hipp, Gerhard; Rens, Simona
Bericht
Report
2022 Lessons Learned From 25 Years Production Technology Research & Development
Preu, Ralf; Rentsch, Jochen; Rein, Stefan; Clement, Florian; Nekarda, Jan; Saint-Cast, Pierre; Lohmüller, Elmar; Lohmüller, Sabrina; Greulich, Johannes; Wöhrle, Nico; Pingel, Sebastian; Steinmetz, Anamaria; Baliozian, Puzant; Nold, Sebastian; Goraya, Baljeet Singh; Glunz, Stefan; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2022 Research on High-Efficiency Tandem Solar Cells on Silicon at Fraunhofer ISE
Bett, Andreas W.
Vortrag
Presentation
2022 Contactless Measurement of Current-Voltage Characteristics for Silicon Solar Cells
Greulich, Johannes; Wirtz, Wiebke; Höffler, Hannes; Wöhrle, Nico; Juhl, Matthias K.; Kunz, Oliver; Rein, Stefan; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2022 Photovoltaic will Power the World
Bett, Andreas W.
Vortrag
Presentation
2021 PV Manufacturing in Europe. Statements
Bett, Andreas W.
Vortrag
Presentation
2021 Das Fraunhofer ISE und seine Forschungsaktivitäten
Bett, Andreas W.
Vortrag
Presentation
2021 Opening Address EU-PVSEC 2021
Bett, Andreas W.
Vortrag
Presentation
2021 Production of Photovoltaics in Europe. Opportunities and Challenges
Bett, Andreas W.
Vortrag
Presentation
2021 Solarstrom als Pfeiler des Energiewandels
Bett, Andreas W.
Vortrag
Presentation
2021 The Photovoltaics Renaissance - New Opportunities for a Key Enabler of the Clean Energy Transition
Bett, Andreas W.
Vortrag
Presentation
2021 Voltage losses due to the perimeter and dark area in micro-concentrator solar cells
Wiesenfarth, Maike; Steiner, Marc; Helmers, Henning; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2021 Rückenwind für die Solarindustrie in Deutschland und Europa
Bett, Andreas W.
Vortrag
Presentation
2021 Photovoltaik und die Energiewende
Bett, Andreas W.
Vortrag
Presentation
2021 68.9% Efficient GaAs-Based Photonic Power Conversion Enabled by Photon Recycling and Optical Resonance. Cover Picture
Helmers, Henning; Lopez, E.; Höhn, Oliver; Lackner, David; Schön, Jonas; Schauerte, Meike; Schachtner, Michael; Dimroth, Frank; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2021 Pushing the Boundaries of Photovoltaic Light to Electricity Conversion: A GaAs Based Photonic Power Converter with 68.9% Efficiency
Helmers, Henning; Lopez, E.; Höhn, Oliver; Lackner, David; Schön, Jonas; Schauerte, Meike; Schachtner, Michael; Dimroth, Frank; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2021 Preface to Special Collection: "Renewable Energy Technologies and Systems"
Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2021 Materialinnovationen für die Solarenergie
Bett, Andreas W.
Vortrag
Presentation
2021 68.9% Efficient GaAs-Based Photonic Power Conversion Enabled by Photon Recycling and Optical Resonance
Helmers, Henning; Lopez, E.; Höhn, Oliver; Lackner, David; Schön, Jonas; Schauerte, Meike; Schachtner, Michael; Dimroth, Frank; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2021 Integrated series/parallel connection for photovoltaic laser power converters with optimized current matching
Wagner, Lukas; Reichmuth, Kasimir S.; Philipps, Simon P.; Oliva, Eduard; Bett, Andreas W.; Helmers, Henning
Zeitschriftenaufsatz
Journal Article
2021 Wenn nicht jetzt, wann dann - wie die Energiewende gelingt
Sauer, D.U.; Pittel, K.; Henning, H.-M.; Renn, J.; Schmidt, C.M.; Spiecker, I.; Bett, Andreas W.; Haucap, Justus; Kühling, J.; Matthies, E.; Umbach, E.; Ragwitz, Mario; Staiß, F.; Weidlich, A.; Erlach, Berit; Glotzbach, Ulrich; Lapac, A.; Seiler, A.; Stephanos, C.
Studie
Study
2020 Wafer-bonded GaInP/GaAs/GaInAs//GaSb four-junction solar cells with 43.8% efficiency under concentration
Predan, Felix; Franke, A.; Höhn, Oliver; Lackner, David; Helmers, Henning; Siefer, Gerald; Bett, Andreas W.; Dimroth, Frank
Konferenzbeitrag
Conference Paper
2020 Photovoltaic Technology: From R&D to Industry
Bett, Andreas W.
Vortrag
Presentation
2020 Wege zu einem klimaneutralen Energiesystem. Die deutsche Energiewende im Kontext gesellschaftlicher Verhaltensweisen
Henning, Hans-Martin; Bett, Andreas W.
Vortrag
Presentation
2019 Highly Efficient III-V Based Photovoltaic Laser Power Converters
Helmers, Henning; Höhn, Oliver; Lackner, David; Lopez, E.; Ruiz-Preciado, L.; Schauerte, Meike; Siefer, Gerald; Dimroth, Frank; Bett, Andreas W.
Vortrag
Presentation
2019 Competitiveness of a European PV Manufacturing Chain
Rentsch, Jochen; Nold, Sebastian; Preu, Ralf; Bett, Andreas W.; Jooss, W.; Trube, J.; Fath, P.
Zeitschriftenaufsatz
Journal Article
2019 Comprehensive Electrical Loss Analysis of Monolithic Interconnected Multi-Segment Laser Power Converters
Kimovec, R.; Helmers, Henning; Bett, Andreas W.; Topic, Marko
Zeitschriftenaufsatz
Journal Article
2019 Do Zero-Energy Building Requirements Motivate Use of Higher Efficiency Solar Cells?
Bett, Andreas W.
Vortrag
Presentation
2019 Development of Back Side Technology for Light Trapping and Photon Recycling in GaAs Solar Cells
Micha, D.; Höhn, Oliver; Oliva, Eduard; Klinger, Vera; Bett, Andreas W.; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2019 FLATCON® CPV Module Technology: A New Design based on the Evaluation of 10 Years of Outdoor Measurement Data
Wiesenfarth, Maike; Steiner, Marc; Dörsam, Tobias; Siefer, Gerald; Dimroth, Frank; Nitz, Peter; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2019 Sektorenkopplung - der Beitrag der Photovoltaik zur zukünftigen Energieversorgung
Bett, Andreas W.
Vortrag
Presentation
2019 Terawatt-Scale Photovoltaics: Transform Global Energy
Bett, Andreas W.; Haegel, N.M.; Atwater, Harry A.; Barnes, T.; Breyer, C.; Burrell, A.; Chiang, Y.-M.; Wolf, Stefaan de; Dimmler, B.; Feldmann, D.; Glunz, Stefan W.; Goldschmidt, Jan Christoph; Hochschild, D.; Inzunza, R.; Kaizuka, I.; Kroposki, B.; Kurtz, S.; Margolis, R.; Leu, S.; Matsubara, K.; Metz, A.; Metzger, W.K.; et al.
Zeitschriftenaufsatz
Journal Article
2018 Status and Technology Innovation for Wafer Production
Bett, Andreas W.
Vortrag
Presentation
2018 Photovoltaics as one of two main pillars of the future energy system: The new possibilities of photovoltaics
Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2018 Author Correction: III-V-on-silicon solar cells reaching 33% photoconversion efficiency in two-terminal configuration (Nature Energy (2018) DOI: 10.1038/s41560-018-0125-0)
Cariou, Romain; Benick, Jan; Feldmann, Frank; Höhn, Oliver; Hauser, Hubert; Beutel, Paul; Razek, N.; Wimplinger, M.; Bläsi, Benedikt; Lackner, David; Hermle, Martin; Siefer, Gerald; Glunz, Stefan W.; Bett, Andreas W.; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2018 PV Manufacturing in Europe - the 10 GWp GreenFab Initative
Bett, Andreas W.
Vortrag
Presentation
2018 High-speed quantum efficiency determination of multijunction solar cells
Mißbach, Thomas; Dengler, S.A.; Siefer, Gerald; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2018 III-V-on-silicon solar cells reaching 33% photoconversion efficiency in two-terminal configuration
Cariou, Romain; Benick, Jan; Feldmann, Frank; Höhn, Oliver; Hauser, Hubert; Beutel, Paul; Razek, Nasser; Wimplinger, Markus; Bläsi, Benedikt; Lackner, David; Hermle, Martin; Siefer, Gerald; Glunz, Stefan W.; Bett, Andreas W.; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2018 Low Temperature Low Intensity Effects in III-V Photovoltaic Devices for Deep Space Missions
Hoheisel, Raymond; Bett, Andreas W.; Warner, Jeffrey H.; Walters, Robert J.; Jenkins, P.P.
Konferenzbeitrag
Conference Paper
2018 Photonic structures for III-V//Si multi-junction solar cells with efficiency >33%
Bläsi, Benedikt; Höhn, Oliver; Hauser, Hubert; Tucher, Nico; Cariou, Romain; Benick, Jan; Feldmann, Frank; Beutel, Paul; Lackner, David; Siefer, Gerald; Glunz, Stefan W.; Bett, Andreas W.; Dimroth, Frank; Hermle, Martin
Konferenzbeitrag
Conference Paper
2018 Analysis of the performance of an on-axis mirror module design compared to a FLATCON module
Wiesenfarth, Maike; Gamisch, Sebastian; Jakob, Peter; Steiner, Marc; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2018 Trends in Solar Electricity
Bett, Andreas W.
Vortrag
Presentation
2018 Challenges in the Design of Concentrator Photovoltaic (CPV) Modules to Achieve Highest Efficiencies
Wiesenfarth, Maike; Antón, Ignacio; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2018 Challenges for Silicon Photovoltaics. Next steps in manufacturing and advanced technologies
Bett, Andreas W.
Vortrag
Presentation
2018 Author Correction: III-V-on-silicon solar cells reaching 33% photoconversion efficiency in two-terminal configuration (Nature Energy (2018) DOI: 10.1038/s41560-018-0125-0)
Cariou, Romain; Benick, Jan; Feldmann, Frank; Höhn, Oliver; Hauser, Hubert; Beutel, Paul; Razek, N.; Wimplinger, M.; Bläsi, Benedikt; Lackner, David; Hermle, Martin; Siefer, Gerald; Glunz, Stefan W.; Bett, Andreas W.; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2018 Direct growth of III-V/silicon triple-junction solar cells with 19.7% efficiency
Feifel, Markus; Ohlmann, Jens; Benick, Jan; Hermle, Martin; Belz, Jürgen; Beyer, Andreas; Volz, Kerstin; Hannappel, Thomas; Bett, Andreas W.; Lackner, David; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2018 Operation & maintenance - the key for reliable performance in a CPV power plant
Wüllner, Johannes; Steiner, Marc; Wiesenfarth, Maike; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2018 On the influence of the photo-induced leakage current in monolithically interconnected modules
Kimovec, R.; Helmers, Henning; Bett, Andreas W.; Topic, Marko
Zeitschriftenaufsatz
Journal Article
2018 Power loss mechanisms in small area monolithic-interconnected photovoltaic modules
Kimovec, R.; Helmers, Henning; Bett, Andreas W.; Topic, Marko
Zeitschriftenaufsatz
Journal Article
2018 Component cell-based restriction of spectral conditions and the impact on CPV module power rating
Steiner, Marc; Muller, Matt; Siefer, Gerald; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2018 Systematic design evaluation on the example of a concentrator photovoltaic module with mirror optics and passive heat dissipation
Wiesenfarth, Maike; Gamisch, Sebastian; Jakob, Peter; Steiner, Marc; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2017 Chapter I-4-B: High-Efficiency III-V Multijunction Solar Cells
Philipps, Simon P.; Dimroth, Frank; Bett, Andreas W.
Aufsatz in Buch
Book Article
2017 Research on multi-junction solar cells at Fraunhofer ISE
Bett, Andreas W.; Beutel, Paul; Cariou, Romain; Feifel, Markus; Heckelmann, Stefan; Höhn, Oliver; Klinger, Vera; Lackner, David; Niemeyer, Markus; Ohlmann, Jens; Oliva, Eduard; Predan, Felix; Siefer, Gerald; Dimroth, Frank
Vortrag
Presentation
2017 On the alignment tolerance of photovoltaic laser power converters
Wagner, Lukas; Bett, Andreas W.; Helmers, Henning
Zeitschriftenaufsatz
Journal Article
2017 Monolithic two-terminal III-V//Si triple-junction solar cells with 30.2% efficiency under 1-Sun AM1.5g
Cariou, Romain; Benick, Jan; Beutel, Paul; Razek, N.; Flötgen, C.; Hermle, Martin; Lackner, David; Glunz, Stefan W.; Bett, Andreas W.; Wimplinger, M.; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2017 Performance and failure analysis of concentrator solar cells after intensive stressing with thermal, electrical, and combined load
Eltermann, Fabian; Ziegler, Lisa; Wiesenfarth, Maike; Wilde, Jürgen; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2017 Concentrating photovoltaic systems
Steiner, Marc; Gerstmaier, T.; Bett, Andreas W.
Aufsatz in Buch
Book Article
2017 Power loss mechanisms in monolithic-interconnected six-segment laser power converter
Kimovec, R.; Helmers, Henning; Bett, Andreas W.; Topic, Marko
Vortrag
Presentation
2017 High-Efficiency n-Type HP MC Silicon Solar Cells
Benick, Jan; Richter, Armin; Müller, Ralph; Hauser, Hubert; Feldmann, Frank; Krenckel, Patricia; Riepe, Stephan; Schindler, Florian; Schubert, Martin C.; Hermle, Martin; Bett, Andreas W.; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2017 Status of four-junction cell development at Fraunhofer ISE
Lackner, David; Höhn, Oliver; Walker, Alexandre W.; Niemeyer, Markus; Beutel, Paul; Siefer, Gerald; Schachtner, Michael; Klinger, Vera; Oliva, Eduard; Hillerich, K.; Kubera, Tim; Guter, Wolfgang; Bett, Andreas W.; Dimroth, Frank
Konferenzbeitrag
Conference Paper
2017 Radiation hardness of AlGaAs n-i-p solar cells with higher bandgap intrinsic region
Walker, A.; Heckelmann, S.; Tibbits, Thomas; Lackner, David; Bett, Andreas W.; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2017 Material quality frontiers of MOVPE grown AIGaAs for minority carrier devices
Heckelmann, S.; Lackner, David; Dimroth, Frank; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2017 Uncertainty estimation of spectral matching ratio based power rating of CPV modules
Steiner, Marc; Siefer, Gerald; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2017 Subcell characterization in multijunction solar cells using pulsed light
Rutzinger, Martin; Salzberger, Manuel; Nesswetter, Helmut; Lackner, David; Bett, Andreas W.; Lugli, Paolo; Zimmermann, Claus G.
Zeitschriftenaufsatz
Journal Article
2017 Reliable and lightning-safe monitoring of wind turbine rotor blades using optically powered sensors
Worms, K.; Klamouris, C.; Wegh, F.; Meder, L.; Volkmer, D.; Philipps, Simon P.; Reichmuth, Kasimir S.; Helmers, Henning; Kunadt, A.; Vourvoulakis, J.; Bett, Andreas W.; Koos, C.; Freude, W.; Leuthold, J.; Stork, W.
Zeitschriftenaufsatz
Journal Article
2017 Multi-segment photovoltaic laser power converters and their electrical losses
Kimovec, R.; Helmers, Henning; Bett, Andreas W.; Topic, Marko
Konferenzbeitrag
Conference Paper
2017 On the temperature dependence of dual-junction laser power converters
Reichmuth, Kasimir S.; Helmers, Henning; Philipps, Simon P.; Schachtner, Michael; Siefer, Gerald; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
2016 43 % direct sunlight conversion efficiency using 4J cell with achromatic full glass lens
Steiner, Marc; Siefer, Gerald; Schmidt, Thomas; Wiesenfarth, Maike; Dimroth, Frank; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2016 CPVMatch - Concentrating photovoltaic modules using advanced technologies and cells for highest efficiencies
Philipps, Simon P.; Baudrit, Mathieu; Hillerich, Karla; Moreau, Valentine; Parmesani, Rolando; Román, Eduardo; Sala, Gabriel; Schineller, Bernd; Timò, Gianluca; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2016 CPV-T Mirror Dish System Combined with Water Desalination Systems
Wiesenfarth, Maike; Went, Joachim; Bösch, Armin; Dilger, Alexander; Kec, T.; Kroll, A.; Koschikowski, Joachim; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2016 Four-junction wafer-bonded concentrator solar cells
Dimroth, Frank; Tibbits, Thomas; Niemeyer, Markus; Predan, Felix; Beutel, Paul; Karcher, Christian; Oliva, Eduard; Siefer, Gerald; Lackner, David; Fuß-Kailuweit, Peter; Bett, Andreas W.; Krause, Rainer; Drazek, Charlotte; Guiot, Eric; Wasselin, Jocelyne; Tauzin, Aurélie; Signamarcheix, Thomas
Zeitschriftenaufsatz
Journal Article
2016 Photovoltaics with Highest Efficiencies
Bett, Andreas W.
Vortrag
Presentation
2016 Minority carrier lifetime limitations in Si wafer solar cells with gallium phosphide window layers
Janz, Stefan; Feifel, Markus; Ohlmann, Jens; Benick, Jan; Weiss, Charlotte; Hermle, Martin; Bett, Andreas W.; Dimroth, Frank; Lackner, David
Konferenzbeitrag
Conference Paper
2016 CPVMatch - concentrating photovoltaic modules using advanced technologies and cells for highest efficiencies
Philipps, Simon P.; Baudrit, Mathieu; Hillerich, K.; Moreau, V.; Parmesani, R.; Román, E.; Sala, Gabriel; Schineller, B.; Timò, Gianluca; Bett, Andreas W.
Konferenzbeitrag
Conference Paper
2016 Forschungstrends bei den Photovoltaik-Technologien
Rech, B.; Albrecht, Steve; Brendel, Rolf; Peibst, R.; Schmidt, J.; Glunz, Stefan W.; Bett, Andreas W.; Rau, U.; Kirchartz, T.; Camus, C.; Egelhaaf, Hans-Joachim; Baumann, A.; Powalla, M.
Vortrag
Presentation
2016 43% sunlight to electricity conversion efficiency using CPV
Steiner, Marc; Siefer, Gerald; Schmidt, Thomas; Wiesenfarth, Maike; Dimroth, Frank; Bett, Andreas W.
Zeitschriftenaufsatz
Journal Article
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