Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2021Epitaxial GaInP/GaAs/Si Triple-Junction Solar Cell with 25.9% AM1.5g Efficiency Enabled by Transparent Metamorphic AlxGa1-xAsyP1-y Step-Graded Buffer Structures
Feifel, Markus; Lackner, David; Schön, Jonas; Ohlmann, Jens; Benick, Jan; Siefer, Gerald; Predan, Felix; Hermle, Martin; Dimroth, Frank
Journal Article
2021Power rating procedure of hybrid concentrator/flat-plate photovoltaic bifacial modules
Martínez, J.F.; Steiner, M.; Wiesenfarth, M.; Siefer, G.; Glunz, S.W.; Dimroth, F.
Journal Article
202034.1 % Efficient GaInP/AlGaAs//Si Tandem Cell
Dimroth, F.; Schygulla, P.; Lackner, D.; Müller, R.; Benick, J.; Beutel, P.; Predan, F.; Höhn, O.; Hauser, H.; Siefer, G.; Hermle, M.; Glunz, S.
Conference Paper
2020Development and Characterization of a bottom-up InP Nanowire Solar Cell with 16.7% Efficiency
Hrachowina, L.; Zhang, Y.; Saxena, A.; Siefer, G.; Barrigon, E.; Borgström, M.T.
Conference Paper
2020Hybrid Bifacial CPV Power Output beyond 350W/m2
Martinez, J.F.; Steiner, M.; Wiesenfarth, M.; Siefer, G.; Glunz, S.W.; Dimroth, F.
Conference Paper
2020Maximum power output prediction of HCPV FLATCON® module using an ANN approach
Said, M.I.; Steiner, M.; Siefer, G.; Arab, A.H.
Journal Article
2020Measurement Uncertainties in I-V Calibration of Multi-Junction Solar Cells for Different Solar Simulators and Reference Devices
Reichmuth, S.K.; Siefer, G.; Schachtner, M.; Mühleis, M.; Hohl-Ebinger, J.; Glunz, S.W.
Journal Article
2020Two-Terminal direct Wafer bonded GaInP/AlGaAs//Si Triple-Junction Solar Cell with AM1.5g Efficiency of 34.1 %
Lackner, D.; Höhn, O.; Müller, R.; Beutel, P.; Schygulla, P.; Hauser, H.; Predan, F.; Siefer, G.; Schachtner, M.; Schön, J.; Benick, J.; Hermle, M.; Dimroth, F.
Journal Article
2020Two-Terminal Perovskite Silicon Tandem Solar Cells with a High-Bandgap Perovskite Absorber Enabling Voltages over 1.8 V
Bett, A.J.; Schulze, P.S.C.; Winkler, K.; Kabakli, Ö.; Ketterer, I.; Mundt, L.; Reichmuth, S.K.; Siefer, G.; Cojocaru, L.; Tutsch, L.; Bivour, M.; Hermle, M.; Glunz, S.W.; Goldschmidt, J.C.
Journal Article
2020Wafer-bonded GaInP/GaAs/GaInAs//GaSb four-junction solar cells with 43.8% efficiency under concentration
Predan, F.; Franke, A.; Hoehn, O.; Lackner, D.; Helmers, H.; Siefer, G.; Bett, A.W.; Dimroth, F.
Conference Paper
2019A 19.9%-efficient ultrathin solar cell based on a 205-nm-thick GaAs absorber and a silver nanostructured back mirror
Chen, H.-L.; Cattoni, A.; Lepinau, R. de; Walker, A.W.; Höhn, O.; Lackner, D.; Siefer, G.; Faustini, M.; Vandamme, N.; Goffard, J.; Behaghel, B.; Dupuis, C.; Bardou, N.; Dimroth, F.; Collin, S.
Journal Article
2019Accurate Solar Cell Measurements at Low Temperatures using a Cryostat
Siefer, G.; Fehrenbacher, E.; Schachtner, M.; Wekkeli, A.
Conference Paper
2019CPVIndia - Energy Yield Forecasting with PVsyst
Steiner, M.; Wekkeli, A.; Ojha, S.; Sardar, S.; Singh, V.; Singh Sawhney, H.; Singh Chandok, J.; Siefer, G.
Conference Paper
2019Development of Germanium-Based Wafer-Bonded Four-Junction Solar Cells
Höhn, Oliver; Niemeyer, Markus; Weiss, Charlotte; Lackner, David; Predan, Felix; Franke, Alexander; Beutel, Paul; Schachtner, Michael; Müller, Ralph; Siefer, Gerald; Janz, Stefan; Dimroth, Frank
Journal Article
2019FLATCON® CPV Module Technology: A New Design based on the Evaluation of 10 Years of Outdoor Measurement Data
Wiesenfarth, M.; Steiner, M.; Dörsam, T.; Siefer, G.; Dimroth, F.; Nitz, P.; Bett, A.W.
Conference Paper
2019Four-Junction Wafer Bonded Solar Cells for Space Applications
Siefer, G.; Beutel, P.; Lackner, D.; Oliva, E.; Predan, F.; Schachtner, M.; Dimroth, F.; Ledoux, O.; Guiot, E.
Conference Paper
2019Highly Efficient III-V Based Photovoltaic Laser Power Converters
Helmers, H.; Höhn, O.; Lackner, D.; Lopez, E.; Ruiz-Preciado, L.; Schauerte, M.; Siefer, G.; Dimroth, F.; Bett, A.W.
Presentation
2019Measurement Uncertainties in the Calibration of Multi-Junction Solar Cells using Different Sun Simulators and Reference Devices
Reichmuth, S.K.; Siefer, Gerald; Schachtner, Michael; Mühleis, Matthias; Hohl-Ebinger, Jochen; Glunz, Stefan W.
Conference Paper
2019Pushing Energy Yield with Concentrating Photovoltaics
Steiner, Marc; Wiesenfarth, Maike; Martínez Sánchez, Juan Francisco; Siefer, Gerald; Dimroth, Frank
Conference Paper
2019Recent Progress of Multi-Junction Solar Cell Development for CPV Applications at AZUR SPACE
Leest, R.H. van; Fuhrmann, D.; Frey, A.; Meusel, M.; Siefer, G.; Reichmuth, S.K.
Conference Paper
2019Semi-Transparent Perovskite Solar Cells with ITO Directly Sputtered on Spiro-OMeTAD for Tandem Applications
Bett, Alexander Jürgen; Winkler, Kristina; Bivour, Martin; Cojocaru, Ludmila; Kabakli, Özde; Schulze, Patricia; Siefer, Gerald; Tutsch, Leonard; Hermle, Martin; Glunz, Stefan W.; Goldschmidt, Jan Christoph
Journal Article
201819.9%-Efficient Ultrathin GaAs Solar Cells with Nanostructured Back Mirror for Multi-Resonant Absorption and Enhanced Luminescence Extraction
Chen, H.; Cattoni, A.; Lepinau, R. de; Walker, A.; Hoehn, O.; Lackner, D.; Siefer, G.; Vandamme, N.; Goffard, J.; Behagehel, B.; Dupuis, C.; Bardou, N.; Dimroth, F.; Collin, S.
Presentation
2018Author 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, R.; Benick, J.; Feldmann, F.; Höhn, O.; Hauser, H.; Beutel, P.; Razek, N.; Wimplinger, M.; Bläsi, B.; Lackner, D.; Hermle, M.; Siefer, G.; Glunz, S.W.; Bett, A.W.; Dimroth, F.
Journal Article
2018Author 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, R.; Benick, J.; Feldmann, F.; Höhn, O.; Hauser, H.; Beutel, P.; Razek, N.; Wimplinger, M.; Bläsi, B.; Lackner, D.; Hermle, M.; Siefer, G.; Glunz, S.W.; Bett, A.W.; Dimroth, F.
Journal Article
2018Component cell-based restriction of spectral conditions and the impact on CPV module power rating
Steiner, Marc; Muller, Matt; Siefer, Gerald; Bett, Andreas W.
Journal Article
2018Evaluation of 53 kW CPV system in India
Steiner, M.; Bösch, A.; Wekkeli, A.; Ojha, S.; Sardar, S.; Singh, J.; Singh, V.; Singh Chandok, J.; Siefer, G.
Presentation
2018High-speed quantum efficiency determination of multijunction solar cells
Missbach, T.; Dengler, S.A.; Siefer, G.; Bett, A.W.
Journal Article
2018III-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
Journal Article
2018Luminescent Coupling in Multi-Junction Photovoltaic Devices Studied by Transient Voltage Measurements
Tayagaki, T.; Reichmuth, S.K.; Helmers, H.; Siefer, G.
Presentation
2018Photonic 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
Conference Paper
2018Standardization of the CPV and car-roof PV technology in 2018 - Where are we going to go?
Araki, K.; Algora, C.; Siefer, G.; Nishioka, K.; Leutz, R.; Carter, S.; Wang, S.; Askins, S.; Ji, L.; Kelly, G.
Conference Paper
2018Towards nanowire tandem junction solar cells on silicon
Borgström, M.T.; Magnusson, M.H.; Dimroth, F.; Siefer, G.; Höhn, O.; Riel, H.; Schmid, H.; Wirths, S.; Björk, M.; Aberg, I.; Peijnenburg, W.; Vijver, M.; Tchernycheva, M.; Piazza, V.; Samuelson, L.
Journal Article
2018Transient Analysis of Luminescent Coupling Effects in Multi-junction Solar Cells
Tayagaki, T.; Reichmuth, S.K.; Helmers, H.; Siefer, G.
Journal Article
2018Understanding InP nanowire array solar cell performance by nanoprobe-enabled single nanowire measurements
Otnes, Gaute; Barrigón, Enrique; Sundvall, Christian; Svensson, K. Erik; Heurlin, Magnus; Siefer, Gerald; Samuelson, Lars; Åberg, Ingvar; Borgström, Magnus T.
Journal Article
2017BOL and EOL characterization of Azur 3G lilt solar cells for ESA juice mission
Khorenko, V.; Baur, C.; Siefer, G.; Schachtner, M.; Park, S.; Boizot, B.; Bourgoin, J.C.; Casale, M.; Campesato, R.
Conference Paper
2017High-speed broadband quantum efficiency determination of solar cells
Missbach, T.; Straub, R.S.L.; Benkhoff, T.M.; Siefer, G.
Journal Article
2017On the temperature dependence of dual-junction laser power converters
Reichmuth, S.K.; Helmers, H.; Philipps, S.P.; Schachtner, M.; Siefer, G.; Bett, A.W.
Journal Article
2017Research on multi-junction solar cells at Fraunhofer ISE
Bett, A.W.; Beutel, P.; Cariou, R.; Feifel, M.; Heckelmann, S.; Hoehn, O.; Klinger, V.; Lackner, D.; Niemeyer, M.; Ohlmann, J.; Oliva, E.; Predan, F.; Siefer, G.; Dimroth, F.
Presentation
2017Status of four-junction cell development at Fraunhofer ISE
Lackner, D.; Höhn, O.; Walker, A.W.; Niemeyer, M.; Beutel, P.; Siefer, G.; Schachtner, M.; Klinger, V.; Oliva, E.; Hillerich, K.; Kubera, T.; Guter, W.; Bett, A.W.; Dimroth, F.
Conference Paper
2017Status of solar generator related technology development activities supporting the juice mission
Baur, C.; Khorenko, V.; Siefer, G.; Inguimbert, V.; Park, S.; Boizot, B.; Bourgoin, J.C.; Casale, M.; Campesato, R.; Schnell, H.-G.; Gerhard, A.; Zanella, P.; Ferrando, E.; Reutenauer, X.; Bongers, E.; Gras, A.
Conference Paper
2017Uncertainty estimation of spectral matching ratio based power rating of CPV modules
Steiner, M.; Siefer, G.; Bett, A.W.
Conference Paper
201643 % direct sunlight conversion efficiency using 4J cell with achromatic full glass lens
Steiner, M.; Siefer, G.; Schmidt, T.; Wiesenfarth, M.; Dimroth, F.; Bett, A.W.
Conference Paper
201643% sunlight to electricity conversion efficiency using CPV
Steiner, M.; Siefer, G.; Schmidt, T.; Wiesenfarth, M.; Dimroth, F.; Bett, A.W.
Journal Article
2016CPV multijunction solar cell characterization
Osterwald, C.R.; Siefer, G.
Book Article
2016Four-junction wafer-bonded concentrator solar cells
Dimroth, Frank; Tibbits, Thomas N.D.; Niemeyer, Markus; Predan, Felix; Beutel, Paul; Karcher, Christian; Oliva, Eduard; Siefer, Gerald; Lackner, David; Fuß-Kailuweit, Peter; Bett, Andreas; Krause, Rainer; Drazek, Charlotte; Guiot, Eric; Wasselin, Jocelyne; Tauzin, Aurélie; Signamarcheix, Thomas
Journal Article
2016Frequency-division-multiplex-based quantum efficiency determination of solar cells
Mißbach, T.; Karcher, C.; Siefer, G.
Journal Article
2016Influence of Very Efficient Back Reflectors on the Quantum Efficiency of Solar Cells
Micha, D.N.; Walker, A.; Siefer, G.; Dimroth, F.; Bett, A.W.
Conference Paper
2016InP based engineered substrates for CPV cells above 46% of efficiency
Guiot, E.; Drouin, A.; Charles-Alfred, C.; Drazek, C.; Buttet, A. de; Tauzin, A.; Tibbits, T.; Beutel, P.; Karcher, C.; Oliva, E.; Siefer, G.; Dimroth, F.
Conference Paper
2016Integrated Power and Data Transceiver Devices for Power-by-Light Systems - A Concept Study
Helmers, H.; Lackner, D.; Siefer, G.; Oliva, E.; Dimroth, F.; Bett, A.W.
Conference Paper
2016Rating of CPV modules: Results of module round robins
Steiner, Marc; Siefer, Gerald; Baudrit, Mathieu; Askins, Stephen; Domínguez, César; Antón, Ignacio; Roca, Francesco; Fucci, Raffaele; Cancro, Carmine; Romano, Antonio; Graditi, Giorgio; Pugliatti, Paola Maria; Stefano, Agnese di; Kenny, Robert; Norton, Matthew; Minuto, Alessandro; Morabito, Paolo; Muller, Matthew; Riley, Daniel; Pratt, Larry
Conference Paper
2016A sensitivity analysis of the stepwise measurement procedure for the characterization of large area PV modules
Rapp, C.; Steiner, M.; Siefer, G.; Bett, A.W.
Journal Article
2016Transient I-V Measurement Set-up for Photovoltaic Laser Power Converters under Monochromatic Irradiance
Reichmuth, S.K.; Helmers, H.; Garza, C.E.; Vahle, D.; Boer, M. de; Stevens, L.; Mundus, M.; Helmers, H.; Bett, A.W.; Siefer, G.
Conference Paper
2015Analysis of a four lamp flash system for calibrating multi-junction solar cells under concentrated light
Schachtner, M.; Prado, M.L.; Reichmuth, S.K.; Siefer, G.; Bett, A.W.
Conference Paper
2015Analysis of the output of two isotype cell sets compared to a precicion spectroradiometer
Norton, M.; Galleano, R.; Siefer, G.; Steiner, M.; Kenny, R.; Zaaiman, W.
Conference Paper
2015CPV module design optimization for advanced multi-junction solar cell concepts
Steiner, M.; Kiefel, P.; Siefer, G.; Wiesenfarth, M.; Dimroth, F.; Krause, R.; Gombert, A.; Bett, A.W.
Conference Paper
2015CPV module with fresnel lens primary optics and homogenizing secondary optics
Wiesenfarth, M.; Dörsam, T.; Eltermann, F.; Hornung, T.; Siefer, G.; Steiner, M.; Riesen, S. van; Neubauer, M.; Boos, A.; Wanka, S.; Gombert, A.; Bett, A.W.
Conference Paper