III-V Epitaxy and Solar Cells

R&D Services

Our R&D service offers include:

Epitaxy (MOVPE)

III-V Solar Cells and Devices

Solar Cell Characterization

Theoretical Modelling


Power-by-Light

 

 

By way of example, we are researching the GaInNAs material system as well as ternary and quaternary III-V semiconductor aluminum alloys for monolithically grown five- and six-junction solar cells. We also work with strain-compensated multiple quantum wells to achieve improved current matching in multi-junction cells. To enable the metamorphic growth of layers – where materials with differing lattice constants are grown – we design suitable buffer layers that form substrates for high quality solar cell structures. Such structures are used, for example, to grow multi-junction solar cells on silicon.

The wafer bonding process, in which semiconductor layers are bonded with one another, is also an important technology-driven area that enables us to combine different semiconductors, such as GaSb, GaAs, InP, Si and Ge. In December 2014, we achieved the world record efficiency of 46% with a wafer-bonded, four-junction solar cell. This record cell was developed in collaboration with the partners Soitec, CEA-Leti and Helmholtz-Zentrum Berlin.

A unique application of III-V photovoltaic cells is their use under monochromatic radiation from LEDs or lasers. Extremely high conversion efficiencies can be achieved here, meaning that such photovoltaic cells are often used in wireless power supply systems.

 

 

Selected Research Projects

 

Virtual Lab CEA

Fraunhofer ISE for Ultra High Efficiency Photovoltaics

 

CPV-Match

Development of a standard to determine the rated power of CPV modules

 

MehrSi

High-efficiency III-V Multi-Junction Solar Cells on Silicon

 

Current Publications - III-V Epitaxy and Solar Cells:

Jahr
Year
Titel/Autor:in
Title/Author
Publikationstyp
Publication Type
2023 The effect of passivation to etching duration ratio on bipolar electrochemical etching of porous layer stacks in germanium
Schreiber, Waldemar; Liu, Tingzhu; Janz, Stefan
Zeitschriftenaufsatz
Journal Article
2022 Improvements in Ultra-Light and Flexible Epitaxial Lift-Off GaInP/GaAs/GaInAs Solar Cells for Space Applications
Schön, J.; Bissels, G.M.M.W.; Mulder, P.; Leest, R.H. van; Gruginskie, N.; Vlieg, E.; Chojniak, D.; Lackner, D.
Zeitschriftenaufsatz
Journal Article
2021 Epitaxial 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
Zeitschriftenaufsatz
Journal Article
2021 Pushing the Boundaries of Photovoltaic Light to Electricity Conversion: A GaAs Based Photonic Power Converter with 68.9% Efficiency
Helmers, H.; Lopez, E.; Höhn, O.; Lackner, D.; Schön, J.; Schauerte, M.; Schachtner, M.; Dimroth, F.; Bett, A.W.
Konferenzbeitrag
Conference Paper
2021 4-Junction GaAs Based Thin Film Photonic Power Converter with Back Surface Reflector for Medical Applications
Schauerte, M.; Höhn, O.; Wierzkowski, T.; Keller, G.; Helmers, H.
Konferenzbeitrag
Conference Paper
2021 Current Mismatch and Luminescence Coupling in Three-junction Photonic Power Converters with and without Back Reflector
Lopez, E.; Höhn, O.; Schauerte, M.; Lackner, D.; Schachtner, M.; Reichmuth, S.K.; Helmers, H.
Konferenzbeitrag
Conference Paper
2021 Technical Boundaries of Micro-CPV Module Components: How Small is Enough?
Wiesenfarth, M.; Iankov, D.; Martínez, J.F.; Nitz, P.; Steiner, M.; Dimroth, F.; Helmers, H.
Vortrag
Presentation
2021 Non-Uniform Illumination Impacts on O-Band InGaAsP and Metamorphic GaInAs Photonic Power Converters
Beattie, M.; Helmers, H.; Valdivia, C.E.; Lackner, D.; Höhn, O.; Hinzer, K.
Konferenzbeitrag
Conference Paper
2021 Two-Terminal III-V//Si Triple-Junction Solar Cells with Power Conversion Efficiency of 35.9 % at AM1.5g
Schygulla, P.; Müller, R.; Höhn, O.; Hauser, H.; Bläsi, B.; Predan, F.; Benick, J.; Hermle, M.; Dimroth, F.; Glunz, S.W.; Lackner, D.
Konferenzbeitrag
Conference Paper
2021 Middle Cell Development for Wafer-Bonded III-V//Si Tandem Solar Cells
Schygulla, P.; Heinz, F.D.; Dimroth, F.; Lackner, D.
Zeitschriftenaufsatz
Journal Article
2021 68.9% Efficient GaAs-Based Photonic Power Conversion Enabled by Photon Recycling and Optical Resonance. Cover Picture
Helmers, H.; Lopez, E.; Höhn, O.; Lackner, D.; Schön, J.; Schauerte, M.; Schachtner, M.; Dimroth, F.; Bett, A.W.
Zeitschriftenaufsatz
Journal Article
2021 Technical Boundaries of Micro-CPV Module Components: How Small is Enough
Wiesenfarth, M.; Martínez, J.F.; Steiner, M.; Iankov, D.; Nitz, P.; Dimroth, F.; Helmers, H.
Vortrag
Presentation
2021 Passivated, Highly Reflecting, Laser Contacted Ge Rear Side for III-V Multi-Junction Solar Cells
Weiss, C.; Schön, J.; Höhn, O.; Fuhrmann, B.; Dimroth, F.; Janz, S.
Zeitschriftenaufsatz
Journal Article
2021 High Efficiency III-V Based Photovoltaic Cells for Laser Power Beaming and Solar Power Generation in Space
Helmers, H.
Vortrag
Presentation
2021 New Frontiers in III-V based Photonic Power Converters
Helmers, H.
Konferenzbeitrag
Conference Paper
2021 68.9% Efficient GaAs-Based Photonic Power Conversion Enabled by Photon Recycling and Optical Resonance
Helmers, H.; Lopez, E.; Höhn, O.; Lackner, D.; Schön, J.; Schauerte, M.; Schachtner, M.; Dimroth, F.; Bett, A.W.
Zeitschriftenaufsatz
Journal Article
2020 Determination of the Complex Refractive Index of Compound Semiconductor Alloys for Optical Device Modelling
Schygulla, P.; Fuss-Kailuweit, P.; Höhn, O.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2020 III-V//Si multijunction solar cells with 30% efficiency using smart stack technology with Pd nanoparticle array
Makita, K.; Mizuno, H.; Tayagaki, T.; Aihara, T.; Oshima, R.; Shoji, Y.; Sai, H.; Takato, H.; Müller, R.; Beutel, P.; Lackner, D.; Benick, J.; Hermle, M.; Dimroth, F.; Sugaya, T.
Zeitschriftenaufsatz
Journal Article
2020 Electron and proton irradiation effect on the minority carrier lifetime in SiC passivated p-doped Ge wafers for space photovoltaics
Weiss, Charlotte; Park, Seonyong; Lefèvre, Jérémie; Boizot, Bruno; Mohr, Christian; Cavani, Olivier; Picard, Sandrine; Kurstjens, Rufi; Niewelt, Tim; Janz, Stefan
Zeitschriftenaufsatz
Journal Article
2020 Development and analysis of wafer-bonded four-junction solar cells based on antimonides with 42% efficiency under concentration
Predan, F.; Höhn, O.; Lackner, D.; Franke, A.; Helmers, H.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2020 Carrier recombination dynamics in Ga0.51In0.49P double-heterostructures up to 500K
Walker, A.; Shaked, A.; Dagan, R.; Kribus, A.; Rosenwaks, Y.; Ohlmann, J.; Lackner, D.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2020 Radiation hardness and post irradiation regeneration behavior of GaInAsP solar cells
Lang, R.; Schön, J.; Lefèvre, J.; Boizot, B.; Dimroth, F.; Lackner, D.
Zeitschriftenaufsatz
Journal Article
2020 Two-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.
Zeitschriftenaufsatz
Journal Article
2020 Silicon-Based Monolithic Triple-Junction Solar Cells with Conversion Efficiency >34%
Müller, R.; Schygulla, P.; Lackner, D.; Höhn, O.; Hauser, H.; Richter, A.; Fell, A.; Bläsi, B.; Predan, F.; Benick, J.; Hermle, M.; Dimroth, F.; Glunz, S.
Konferenzbeitrag
Conference Paper
2020 Measurement 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.
Zeitschriftenaufsatz
Journal Article
2020 Development and Outdoor Characterization of a Hybrid Bifacial HCPV Module
Martinez, J.; Steiner, M.; Wiesenfarth, M.; Fellmeth, T.; Dörsam, T.; Wiese, M.; Glunz, S.W.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2020 MOVPE Growth of GaAs with Growth Rates up to 280 µm/h
Lang, R.; Habib, F.; Dauelsberg, M.; Dimroth, F.; Lackner, D.
Zeitschriftenaufsatz
Journal Article
2020 Electron Channeling Contrast Imaging Investigation of Stacking Fault Pyramids in GaP on Si Nucleation Layers
Feifel, M.; Ohlmann, J.; France, R.; Lackner, D.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2019 Development 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
Zeitschriftenaufsatz
Journal Article
2019 Measurement 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.
Konferenzbeitrag
Conference Paper
2019 Single- and Dual-variant Atomic Ordering in GaAsP Compositionally Graded Buffers on GaP and Si Substrates
France, R.M.; Feifel, Markus; Belz, J.; Beyer, A.; Volz, K.; Ohlmann, Jens; Lackner, David; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2019 Measurement of the Non-radiative Minority Recombination Lifetime and the Effective Radiative Recombination Coefficient in GaAs
Niemeyer, Markus; Kleinschmidt, Peter; Walker, Alexandre W.; Mundt, Laura; Timm, C.; Lang, Robin; Hannappel, Thomas; Lackner, David
Zeitschriftenaufsatz
Journal Article
2019 Assessing the operating temperature of multi-junction solar cells with novel rear side layer stack and local electrical contacts
Alonso-Ãlvarez, D.; Weiss, C.; Fernandez, J.; Janz, S.; Ekins-Daukes, N.
Zeitschriftenaufsatz
Journal Article
2019 Direct Growth of GaInP/GaAs/Si Triple-Junction Solar Cell with 22.3% AM1.5g efficiency
Feifel, Markus; Lackner, David; Ohlmann, Jens; Benick, Jan; Hermle, Martin; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2019 Highly 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.
Vortrag
Presentation
2019 GaAs Multi-Junction Laser Power Converters at AZUR SPACE. Current Status and Development Activities
Keller, G.; Fuhrmann, D.; Wierzowski, T.; Volk, A.-K.; Fuhrmann, B.; Horst, L.; Wächter, C.; Schauerte, M.; Helmers, H.; Khorenko, V.
Vortrag
Presentation
2019 FLATCON® 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.
Konferenzbeitrag
Conference Paper
2019 Terawatt-Scale Photovoltaics: Transform Global Energy
Bett, A.W.; Haegel, N.M.; Atwater, H.; Barnes, T.; Breyer, C.; Burrell, A.; Chiang, Y.-M.; Wolf, S. de; Dimmler, B.; Feldmann, D.; Glunz, S.; Goldschmidt, J.C.; 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
2019 Comprehensive Electrical Loss Analysis of Monolithic Interconnected Multi-Segment Laser Power Converters
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Zeitschriftenaufsatz
Journal Article
2019 Development of Back Side Technology for Light Trapping and Photon Recycling in GaAs Solar Cells
Micha, D.; Höhn, O.; Oliva, E.; Klinger, V.; Bett, A.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2019 Thermal Analysis of Passively Cooled Hybrid CPV Module Using Si Cell as Heat Distributor
Martinez, J.; Steiner, M.; Wiesenfarth, M.; Glunz, S.W.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2018 High-speed quantum efficiency determination of multijunction solar cells
Missbach, T.; Dengler, S.A.; Siefer, G.; Bett, A.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 Improving GaAs Solar Cell Performance and Growth Efficiency at MOVPE Growth Rates of 100 µm/h
Lang, R.; Schön, J.; Dimroth, F.; Lackner, D.
Vortrag
Presentation
2018 Trends in Solar Electricity
Bett, A.W.
Vortrag
Presentation
2018 Luminescent Coupling in Multi-Junction Photovoltaic Devices Studied by Transient Voltage Measurements
Tayagaki, T.; Reichmuth, S.K.; Helmers, H.; Siefer, G.
Vortrag
Presentation
2018 Exploring New Convergences between PV Technologies for High Efficiency Tandem Solar Cells
Lincot, D.; Barreau, N.; Ben Slimane, A.; Bidaud, T.; Collin, S.; Feifel, M.; Dimroth, F.; Balestrieri, M.; Coutancier, D.; Béchu, S.; Bouttemy, M.; Etcheberry, A.; Durand, O.; Pinault-Thaury, M.A.; Jomard, F.
Konferenzbeitrag
Conference Paper
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 Combining photon recycling and concentrated illumination in a GaAs heterojunction solar cell
Schilling, C.; Höhn, O.; Micha, D.N.; Heckelmann, S.; Klinger, V.; Oliva, E.; Glunz, S.W.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2018 Towards 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.
Zeitschriftenaufsatz
Journal Article
2018 Hall characterization of epitaxial GaSb and AlGaAsSb layers using p-n junctions on GaSb substrates
Predan, F.; Ohlmann, J.; Mrabet, S.; Dimroth, F.; Lackner, D.
Zeitschriftenaufsatz
Journal Article
2018 Extracting nonradiative parameters in III-V semiconductors using double-heterostructures on active p-n junctions
Walker, Alexandre W.; Schön, Jonas; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2018 19.9%-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.
Vortrag
Presentation
2018 0.5-Gb/s OFDM-Based Laser Data and Power Transfer Using a GaAs Photovoltaic Cell
Fakidis, J.; Videv, S.; Helmers, H.; Haas, H.
Zeitschriftenaufsatz
Journal Article
2018 Potential analysis of a rear-side passivation for multi-junction space solar cells based on germanium substrates
Weiss, Charlotte; Schön, Jonas; Höhn, Oliver; Mohr, Christian; Kurstjens, Rufi; Boizot, Bruno; Janz, Stefan
Konferenzbeitrag
Conference Paper
2018 On the influence of the photo-induced leakage current in monolithically interconnected modules
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Zeitschriftenaufsatz
Journal Article
2018 Optimization of GaAs solar cell performance and growth efficiency at MOVPE growth rates of 100 mm/h
Lang, Robin; Schön, Jonas; Dimroth, Frank; Lackner, David
Zeitschriftenaufsatz
Journal Article
2017 Effects of thermal annealing on structural and electrical properties of surface-activated n-GaSb/n-GaInP direct wafer bonds
Predan, F.; Kovacs, A.; Ohlmann, J.; Lackner, D.; Dunin-Borkowsi, R.E.; Dimroth, F.; Jäger, W.
Zeitschriftenaufsatz
Journal Article
2017 Performance and failure analysis of concentrator solar cells after intensive stressing with thermal, electrical, and combined load
Eltermann, F.; Ziegler, L.; Wiesenfarth, M.; Wilde, J.; Bett, A.W.
Konferenzbeitrag
Conference Paper
2017 Oxygen Incorporation into Si Nanocrystal/SiC Multilayers
Weiss, C.; Reichert, A.; Hofmann, J.; Janz, S.
Konferenzbeitrag
Conference Paper
2017 Research 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.
Vortrag
Presentation
2017 High-temperature electric contacts for AlGaInP/GaInP photon-enhanced thermionic emisson cathodes
Girolami, M.; Bellucci, A.; Calvani, P.; Dimroth, F.; Trucchi, D.
Zeitschriftenaufsatz
Journal Article
2017 Amorphous silicon carbide rear-side passivation and reflector layer stacks for multi-junction space solar cells based on germanium sustrates
Janz, Stefan; Weiss, Charlotte; Mohr, Christian; Kurstjens, Rufi; Boizot, Bruno; Fuhrmann, Bianca; Khorenko, Victor
Vortrag
Presentation
2017 GaInP/AlGaAs metal-wrap-through tandem concentrator solar cells
Oliva, E.; Salvetat, T.; Jany, C.; Thibon, R.; Helmers, H.; Steiner, M.; Schachtner, M.; Beutel, P.; Klinger, V.; Moulet, J.-S.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2017 Minority carrier diffusion length, lifetime and mobility in p-type GaAs and GaInAs
Niemeyer, Markus; Ohlmann, Jens; Walker, Alexandre; Kleinschmidt, Peter; Lang, Robin; Hannappel, Thomas; Dimroth, Frank; Lackner, David
Zeitschriftenaufsatz
Journal Article
2017 Radiation hardness of AlGaAs n-i-p solar cells with higher bandgap intrinsic region
Walker, A.; Heckelmann, S.; Tibbits, T.; Lackner, D.; Bett, A.W.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2017 Mesa Separation of GaInP Solar Cells by Picosecond Laser Ablation
Weber, J.; Klinger, V.; Brand, A.; Gutscher, S.; Wekkeli, A.; Mondon, A.; Oliva, E.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2017 Subcell characterization in multijunction solar cells using pulsed light
Rutzinger, M.; Salzberger, M.; Nesswetter, H.; Lackner, D.; Bett, A.W.; Lugli, P.; Zimmermann, C.G.
Zeitschriftenaufsatz
Journal Article
2017 Material quality frontiers of MOVPE grown AIGaAs for minority carrier devices
Heckelmann, S.; Lackner, D.; Dimroth, F.; Bett, A.W.
Zeitschriftenaufsatz
Journal Article
2017 On the benchmarking of multi-junction photoelectrochemical fuel generating devices
May, M.M.; Lackner, D.; Ohlmann, J.; Dimroth, F.; Krol, R. van de; Hannappel, T.; Schwarzburg, K.
Zeitschriftenaufsatz
Journal Article
2016 Rating 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
Konferenzbeitrag
Conference Paper
2016 Photovoltaics with Highest Efficiencies
Bett, A.
Vortrag
Presentation
2016 43 % 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.
Konferenzbeitrag
Conference Paper
2016 Nanoparticle Scattering for Multijunction Solar Cells: The Tradeoff between Absorption Enhancement and Transmission Loss
Mellor, A.; Hylton, N.P.; Hauser, H.; Thomas, T.; Lee, K.-H.; Al-Saleh, Y.; Giannini, V.; Braun, A.; Loo, J.; Vercruysse, D.; Dorpe, P. van; Blasi, B.; Maier, S.A.; Ekins-Daukes, N.J.
Zeitschriftenaufsatz
Journal Article
2016 Highly efficient solar hydrogen generation - an integrated concept with III-V solar cells and PEM electrolysis cells
Fallisch, A.; Förster, P.; Ohlmann, J.; Smolinka, T.; Zedda, M.
Vortrag
Presentation
2016 CPVMatch - concentrating photovoltaic modules using advanced technologies and cells for highest efficiencies
Philipps, S.P.; Baudrit, M.; Hillerich, K.; Moreau, V.; Parmesani, R.; Román, E.; Sala, G.; Schineller, B.; Timo, G.; Bett, A.W.
Konferenzbeitrag
Conference Paper
2016 III-V multi-junction Metal-Wrap-Through (MWT) concentrator solar cells
Oliva, E.; Salvetat, T.; Jany, C.; Thibon, R.; Helmers, H.; Steiner, M.; Schachtner, M.; Beutel, P.; Klinger, V.; Moulet, J.; Dimroth, F.
Konferenzbeitrag
Conference Paper
2016 Nonradiative lifetime extraction using power-dependent relative photoluminescense of III-V semiconductor double-heterostructures
Walker, A.W.; Heckelmann, S.; Karcher, C.; Höhn, O.; Went, C.; Niemeyer, M.; Bett, A.W.; Lackner, D.
Zeitschriftenaufsatz
Journal Article
2016 A sensitivity analysis of the stepwise measurement procedure for the characterization of large area PV modules
Rapp, C.; Steiner, M.; Siefer, G.; Bett, A.W.
Zeitschriftenaufsatz
Journal Article
2016 Transient 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.
Konferenzbeitrag
Conference Paper
2016 CPVMatch - Concentrating Photovoltaic modules using advanced technologies and cells for highest efficiencies
Philipps, S.P.; Baudrid, M.; Hillerich, K.; Moreau, V.; Parmesani, R.; Sala, G.; Schineller, B.; Bett, A.W.
Konferenzbeitrag
Conference Paper
2016 Direct wafer bonding of highly conductive GaSb/GaInAs and GaSb/GaInP heterojunctions prepared by argon-beam surface activation
Predan, F.; Reinwand, D.; Cariou, R.; Niemeyer, M.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2016 Minority carrier recombination of ordered Ga0.51In0.49P at high temperatures
Dagan, R.; Rosenwaks, Y.; Kribus, A.; Walker, A.; Ohlmann, J.; Dimroth, F.
Zeitschriftenaufsatz
Journal Article
2016 Influence of Very Efficient Back Reflectors on the Quantum Efficiency of Solar Cells
Micha, D.N.; Walker, A.; Siefer, G.; Dimroth, F.; Bett, A.W.
Konferenzbeitrag
Conference Paper
2016 Recent Development in Direct Generation of Hydrogen Using Multi-Junction Solar Cells
Ohlmann, J.; Martínez, Juan F.; Lackner, D.; Förster, P.; Steiner, M.; Fallisch, A.; Dimroth, F.
Konferenzbeitrag
Conference Paper
2016 Determination of subcell open circuit voltages and Iph-Voc curves in multijunction solar cells by sequentially pulsed, monochromatic illumination
Rutzinger, M.; Nesswetter, H.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Zeitschriftenaufsatz
Journal Article
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