Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
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
2018Challenges in the Design of Concentrator Photovoltaic (CPV) Modules to Achieve Highest Efficiencies
Wiesenfarth, M.; Anton, I.; Bett, A.W.
Journal Article
2018High-speed quantum efficiency determination of multijunction solar cells
Missbach, T.; Dengler, S.A.; Siefer, G.; Bett, A.W.
Journal Article
2018On the influence of the photo-induced leakage current in monolithically interconnected modules
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2018Photonic structures for III-V//Si multi-junction solar cells with efficiency >33%
Bläsi, B.; Höhn, O.; Hauser, H.; Tucher, N.; Cariou, R.; Benick, J.; Feldmann, F.; Beutel, P.; Lackner, D.; Siefer, G.; Glunz, S.W.; Bett, A.W.; Dimroth, F.; Hermle, M.
Conference Paper
2018Power loss mechanisms in small area monolithic-interconnected photovoltaic modules
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2017Chapter I-4-B: High-Efficiency III–V Multijunction Solar Cells
Philipps, S.P.; Dimroth, F.; Bett, A.W.
Book Article
2017Concentrating photovoltaic systems
Steiner, M.; Gerstmaier, T.; Bett, A.W.
Book Article
2017High-Efficiency n-Type HP MC Silicon Solar Cells
Benick, J.; Richter, A.; Müller, R.; Hauser, H.; Feldmann, F.; Krenckel, P.; Riepe, S.; Schindler, F.; Schubert, M.C.; Hermle, M.; Bett, A.W.; Glunz, S.W.
Journal Article
2017Material quality frontiers of MOVPE grown AIGaAs for minority carrier devices
Heckelmann, S.; Lackner, D.; Dimroth, F.; Bett, A.W.
Journal Article, Conference Paper
2017Monolithic two-terminal III-V//Si triple-junction solar cells with 30.2% efficiency under 1-Sun AM1.5g
Cariou, R.; Benick, J.; Beutel, P.; Razek, N.; Flötgen, C.; Hermle, M.; Lackner, D.; Glunz, S.W.; Bett, A.W.; Wimplinger, M.; Dimroth, F.
Journal Article
2017Multi-segment photovoltaic laser power converters and their electrical losses
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Conference Paper
2017On the alignment tolerance of photovoltaic laser power converters
Wagner, L.; Bett, A.W.; Helmers, H.
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
2017Performance 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.
Conference Paper
2017Power loss mechanisms in monolithic-interconnected six-segment laser power converter
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Presentation
2017Radiation 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.
Journal Article
2017Reliable and lightning-safe monitoring of wind turbine rotor blades using optically powered sensors
Worms, K.; Klamouris, C.; Wegh, F.; Meder, L.; Volkmer, D.; Philipps, S.P.; Reichmuth, S.K.; Helmers, H.; Kunadt, A.; Vourvoulakis, J.; Bett, A.W.; Koos, C.; Freude, W.; Leuthold, J.; Stork, 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
2017Subcell characterization in multijunction solar cells using pulsed light
Rutzinger, M.; Salzberger, M.; Nesswetter, H.; Lackner, D.; Bett, A.W.; Lugli, P.; Zimmermann, C.G.
Journal Article
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-T Mirror Dish System Combined with Water Desalination Systems
Wiesenfarth, M.; Went, J.; Bösch, A.; Dilger, A.; Kec, T.; Kroll, A.; Koschikowsi, J.; Bett, A.W.
Conference Paper
2016CPVMatch - 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.
Conference Paper
2016CPVMatch - 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.
Presentation
2016Determination of subcell I-V characteristics of multijunction solar cells using optical coupling
Nesswetter, H.; Jost, N.R.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Journal Article
2016Determination 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.
Journal Article
2016Determining the optimal laser wavelength for laser power conversion depending on operation temperature
Höhn, O.; Walker, A.W.; Bett, A.W.; Helmers, H.
Conference Paper
2016Influence of injection current and temperature on electroluminescence of GaAs laser power converters
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Presentation
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
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
2016Minority carrier lifetime limitations in Si wafer solar cells with gallium phosphide window layers
Janz, S.; Feifel, M.; Ohlmann, J.; Benick, J.; Weiss, C.; Hermle, M.; Bett, A.W.; Dimroth, F.; Lackner, D.
Conference Paper
2016Nonradiative 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.
Journal Article
2016Optimal laser wavelength for efficient laser power converter operation over temperature
Höhn, O.; Walker, A.W.; Bett, A.W.; Helmers, H.
Journal Article
2016Photovoltaic laser power converters for wireless optical power supply of sensor systems
Helmers, H.; Bett, A.W.
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
2016Spatial and spectral electroluminescence for single-junction single-segment GaAs laser power converter characterization
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Presentation
2016Temperature and injection current dependent electroluminescence for evaluation of single-junction single-segment GaAs laser power converter
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
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
2015Challenges and perspectives of CPV technology
Bett, A.W.
Presentation
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
2015Determination of subcell I-V parameters by a pulsed suns-Voc method including optical coupling
Nesswetter, H.; Jost, N.R.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Journal Article
2015Energy level of the Si-related DX-center in (AlyGa1-y)1-xInxAs
Heckelmann, S.; Lackner, D.; Bett, A.W.
Journal Article
2015FLATCON® CPV-module with 36.7% efficiency equipped with four-junction solar cells
Steiner, M.; Bösch, A.; Dilger, A.; Dimroth, F.; Dörsam, T.; Muller, M.; Hornung, T.; Siefer, G.; Wiesenfarth, M.; Bett, A.W.
Journal Article
2015Four-junction wafer bonded concentrator solar cells
Dimroth, F.; Tibbits, T.N.D.; Niemeyer, M.; Predan, F.; Beutel, P.; Karcher, C.; Oliva, E.; Siefer, G.; Lackner, D.; Fuß-Kailuweit, P.; Bett, A.W.; Krause, R.; Drazek, C.; Guiot, E.; Wasselin, J.; Tauzin, A.; Signamarcheix, T.
Conference Paper
2015Frequency division multiple-based light spectroscopy
Mißbach, T.; Karcher, C.; Siefer, G.; Bett, A.W.
Journal Article
2015A high-efficiency hybrid high-concentration photovoltaic system
Zimmermann, S.; Helmers, H.; Tiwari, M.K.; Paredes, S.; Michel, B.; Wiesenfarth, M.; Bett, A.W.; Poulikakos, D.
Journal Article
2015Impact of photon recycling and luminescence coupling on III-V single and dual junction photovoltaic devices
Walker, A.W.; Höhn, O.; Micha, D.N.; Wagner, L.; Helmers, H.; Bett, A.W.; Dimroth, F.
Journal Article
2015Impact of photon recycling on GaAs solar cell designs
Walker, A.W.; Höhn, O.; Micha, D.N.; Bläsi, B.; Bett, A.W.; Dimroth, F.
Journal Article
2015Investigations on AlxGa1-xAs solar cells grown by MOVPE
Heckelmann, S.; Lackner, D.; Karcher, C.; Dimroth, F.; Bett, A.W.
Journal Article
2015Lattice-matched 3-junction cell with 1.2-eV InGaAs/GaAsP superlattice middle cell for improved current matching
Sodabanlu, H.; Fujii, H.; Watanabe, K.; Onitsuka, R.; Agui, T.; Juso, H.; Takamoto, T.; Lackner, D.; Dimroth, F.; Bett, A.W.; Sugiyama, M.; Nakano, Y.
Conference Paper
2015Low temperature effects in photovoltaic devices for deep space missions
Hoheisel, R.; Walters, R.J.; Bett, A.W.
Conference Paper
2015NGCPV: A new generation of concentrator photovoltaic cells, modules and systems (a final review)
Datas, A.; Cristóbal, A.B.; Sala, G.; Anton Hernandez, I.; Minano, J.C.; Benítez, P.; Algora, C.; Bett, A.W.; Lackner, D.; Niemeyer, M.; Philipps, S.P.; Siefer, G.; Ekins-Daukes, N.J.; Roca, F.; Cancro, C.; Luque-Heredia, L.; Warmuth, W.; Baudrit, M.; Okada, Y.; Sugiyama, M.; Hishikawa, Y.; Takamoto, T.; Araki, K.; Fukuyama, A.; Nishioka, K.; Suzuki, H.; Kuze, N.; Moriyasu, Y.; Kita, T.; Kotagiri, A.; Kojima, N.; Martí Vega, A.; Yamaguchi, M.; Luque, A.
Conference Paper
2015Optical Investigation of a Sun Simulator for Concentrator PV Applications
Rapp, C.; Straub. V.; Rooyen, D.W. van; Thor, W. Y.; Siefer, G.; Bett, A.W.
Journal Article
2015Pathway and technologies for the transformation of the energy system
Bett, A.W.; Henning, H.-M.
Presentation
2015Photoluminescence-based current-voltage characterisation of individual subcells in multi-junction devices
Alsonso-Álvarez, D.; Lackner, D.; Philipps, S.P.; Bett, A.W.; Ekins-Daukes, N.J.
Conference Paper
2015Quantum efficiency measurement of concentrator photovoltaic modules
Mundus, M.; Rapp, C.; Missbach, T.; Siefer, G.; Hohl-Ebinger, J.; Bett, A.W.; Warta, W.
Conference Paper
2015Research strategies to approach the 50% efficiency barrier with multi-junction solar cells
Bett, A.W.
Presentation
2015Stepwise measurement procedure for the characterization of large-area photovoltaic modules
Rapp, C.; Steiner, M.; Siefer, G.; Bett, A.W.
Journal Article
2015YieldOpt, a model to predict the power output and energy yield for concentrating photovoltaic modules
Steiner, M.; Siefer, G.; Hornung, T.; Peharz, G.; Bett, A.W.
Journal Article
2014Analysis of temperature coefficients for III-V multi-junction concentrator cells
Siefer, G.; Bett, A.W.
Journal Article
2014Challenges for Thermal Management and Production Technologies in Conchotovoltaic (CPV) Modules
Wiesenfarth, M.; Gamisch, S.; Dörsam, T.; Bett, A.W.
Conference Paper
2014CPV - Technology: Status and Market Perspectives
Bett, A.W.
Presentation
2014Development and Investigation of a CPV Module with Cassegrain Mirror Optics
Dreger, M.; Wiesenfarth, M.; Kisser, A.; Schmid, T.; Bett, A.W.
Conference Paper
2014Development of high efficiency wafer bonded 4-junction solar cells for concentrator photovoltaic applications
Dimroth, F.; Tibbits, T.N.D.; Beutel, P.; Karcher, C.; Oliva, E.; Siefer, G.; Schachtner, M.; Wekkeli, A.; Steiner, M.; Wiesenfarth, M.; Bett, A.W.; Krause, R.; Gerster, E.; Piccin, M.; Blanc, N.; Munoz Rico, M.; Drazek, C.; Guiot, E.; Wasselin, J.; Arena, C.; Salvetat, T.; Tauzin, A.; Signamarcheix, T.; Hannappel, T.
Conference Paper
2014High-Efficiency - A Key for CPV
Bett, A.W.
Presentation
2014III-V multi-junction solar cells
Philipps, S.P.; Bett, A.W.
Book Article
2014III-V multi-junction solar cells and concentrating photovoltaic (CPV) systems
Philipps, S.P.; Bett, A.W.
Journal Article
2014InGaAs/GaAsP strain balanced multi-quantum wires grown on misoriented GaAs substrates for high efficiency solar cells
Alonso-Álvarez, D.; Thomas, T.; Führer, M.; Hylton, N.P.; Ekins-Daukes, N.; Lackner, D.; Philipps, S.P.; Bett, A.W.; Sodabanlu, H.; Fujii, H.; Watanabe, K.; Sugiyama, M.; Nasi, L.; Campanini, M.
Journal Article
2014Investigation of Different Fresnel Lens Designs and Methods to Determine the Optical Efficiency
Wiesenfarth, M.; Steiner, M.; Wolf, J.; Schmidt, T.; Bett, A.W.
Conference Paper
2014An investigation of solar cell interconnection schemes within CPV modules using a validated temperature-dependent SPICE network model
Steiner, M.; Siefer, G.; Bett, A.W.
Journal Article
2014Lightning-Safe Monitoring of Wind Turbine Rotor Blades Using Optically Powered Sensors
Worms, K.; Klamouris, C.; Wegh, F.; Meder, L.; Volkmer, D.; Phillips, S.; Reichmuth, S.; Helmers, H.; Bett, A.W.; Vourvoulakis, J.; Freude, W.; Leuthold, J.; Stork, W.
Conference Paper
2014Modeling of concentrating photovoltaic and thermal systems
Helmers, H.; Bett, A.W.; Parisi, J.; Agert, C.
Journal Article
2014Next generation of wafer-bonded multi-junction solar cells
Niemeyer, M.; Klinger, V.; Dimroth, F.; Predan, F.; Fuß-Kailuweit, P.; Reinwand, D.; Lackner, D.; Wekkeli, A.; Oliva, E.; Schachtner, M.; Siefer, G.; Bett, A.W.
Conference Paper
2014Photovoltaic cells for optical power and data transmission
Helmers, H.; Philipps, S.P.; Reichmuth, S.K.; Oliva, E.; Lackner, D.; Bett, A.W.
Presentation
2014Preliminary Temperature Accelerated Life Test (ALT) On Lattice Mismatched Triple-Junction Concentrator
Orlando, V.; Espinet, P.; Nunez, N.; Contreras, Y.; Bautista, J.; Vázquez, M.; Algora, C.; Eltermann, F.; Bett, A.W.
Conference Paper
2014The promise of III-V high-efficiency solar cells
Bett, A.W.
Presentation
2014Similarities and Differences between Terrestrial CPV and Space Multi-Junction Solar Cells
Bett, A.W.
Presentation
2014Spectral sensitivity of hot carrier solar cells
Hirst, L.C.; Lumb, M.P.; Hoheisel, R.; Philipps, S.P.; Bett, A.W.; Walters, R.J.; Bailey, C.G.
Journal Article
2014Temperature-dependent electroluminescence and voltages of multi-junction solar cells
Karcher, C.; Helmers, H.; Schachtner, M.; Dimroth, F.; Bett, A.W.
Journal Article
2014Wafer bonded four-junction GaInP/GaAa/GaInAsP/GaInAs concentrator solar cells with 44.7% efficiency
Dimroth, F.; Grave, M.; Beutel, P.; Fiedeler, U.; Karcher, C.; Tibbits, T.N.D.; Oliva, E.; Siefer, G.; Schachtner, M.; Wekkeli, A.; Bett, A.W.; Krause, R.; Piccin, M.; Drazek, C.; Guiot, E.; Ghyselen, B.; Salvetat, T.; Tauzin, A.; Signamarcheix, T.; Dobrich, A.; Hannappel, T.; Schwarzburg, K.; Blanc, N.
Journal Article
2013Advanced liquid cooling in HCPVT systems to achieve higher energy efficiencies
Zimmermann, S.; Helmers, H.; Tiwari, M.K.; Escher, W.; Paredes, S.; Neves, P.; Poulikakos, D.; Wiesenfarth, M.; Bett, A.W.; Michel, B.
Conference Paper
2013AlxGa1-xAs minority carrier lifetime enhancement at low temperatures
Heckelmann, S.; Lackner, D.; Dimroth, F.; Bett, A.W.
Journal Article
2013Analysis of high concentration passively cooled CPV module designs using mirror optics
Dreger, M.; Wiesenfarth, M.; Schmid, T.; Bett, A.W.
Conference Paper
2013Bandgap determination based on electrical quantum efficiency
Helmers, H.; Karcher, C.; Bett, A.W.
Journal Article
2013Defect formation and strain relaxation in graded GaPAs/GaAs, GaNAs/GaAs and GaInNAs/Ge buffer systems for high-efficiency solar cells
Schöne, J.; Spiecker, E.; Dimroth, F.; Bett, A.W.; Jäger, W.
Journal Article, Conference Paper
2013Efficiency of dense-array CPVT module with front-side interconnected cells
Polonsky, G.; Shelef, G.; Flitsanov, Y.; Wiesenfarth, M.; Steiner, M.; Helmers, H.; Bett, A.W.; Kribus, A.
Conference Paper
2013Electroluminescence analysis of irradiated GaInP/GaInAs/Ge space solar cells
Hoheisel, R.; Dimroth, F.; Bett, A.W.; Messenger, S.R.; Jenkins, P.P.; Walters, R.J.
Conference Paper, Journal Article
2013Electroluminescence and photoluminescence characterization of multijunction solar cells
Nesswetter, H.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Journal Article
2013Fast atom beam-activated n-Si/n-GaAs wafer bonding with high interfacial transparency and electrical conductivity
Essig, S.; Moutanabbir, O.; Wekkeli, A.; Nahme, H.; Oliva, E.; Bett, A.W.; Dimroth, F.
Journal Article
2013High efficiency III-V multijunction solar cells
Philipps, S.P.; Dimroth, F.; Bett, A.W.
Book Article
2013III-V multi-junction solar cells: Market, technological status and research trends
Philipps, S.P.; Bett, A.W.
Conference Paper
2013Improved grating monochromator set-up for EQE measurements of multi-junction solar cells
Siefer, G.; Gandy, T.; Schachtner, M.; Wekkeli, A.; Bett, A.W.
Conference Paper
2013Influence of temperature and irradiance on triple-junction solar subcells
Helmers, H.; Schachtner, M.; Bett, A.W.
Journal Article
2013Investigations on 3-dimensional temperature distribution in a FLATCON-type CPV module
Wiesenfarth, M.; Gamisch, S.; Kraus, H.; Bett, A.W.
Conference Paper
2013Investigations on the influence of temperature and concentration on solar cell performances
Helmers, H.; Schachtner, M.; Bett, A.W.
Conference Paper
2013Luminescence based series resistance mapping of III-V multijunction solar cells
Nesswetter, H.; Dyck, W.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Journal Article
2013Modeling the thermal runaway effect in CPV modules
Steiner, M.; Siefer, G.; Bett, A.W.
Conference Paper
2013NGCPV: A new generation of concentrator photovoltaic cells, modules and systems
Datas, A.; Cristóbal, A.B.; Sala, G.; Anton, I.; Minano, J.C.; Benítez, P.; Bett, A.W.; Siefer, G.; Ekins-Daukes, N.J.; Roca, F.; Cancro, C.; Luque-Heredia, I.; Warmuth, W.; Baudrit, M.; Okada, Y.; Sugiyama, M.; Hishikawa, Y.; Takamoto, T.; Araki, K.; Fukuyama, A.; Nishioka, K.; Suzuki, H.; Kuze, N.; Moriyasu, Y.; Kita, T.; Kotagiri, A.; Kojima, N.; Marti, A.; Yamagucchi, M.; Luque, A.
Conference Paper
2013Optical analysis of deviations in a concentrating photovoltaics central receiver system with a flux homogenizer
Helmers, H.; Thor, W.Y.; Schmidt, T.; Rooyen, D.W. van; Bett, A.W.
Journal Article
2013Overview about technology perspectives for high efficiency solar cells for space and terrestrial applications
Bett, A.W.; Philipps, S.P.; Essig, S.; Heckelmann, S.; Kellenbenz, R.; Klinger, V.; Niemeyer, M.; Lackner, D.; Dimroth, F.
Conference Paper
2013Photovoltaik mit hohen Wirkungsgraden. III-V Mehrfachsolarzellen und konzentrierende PV
Bett, A.W.
Presentation
2013Photovoltaik: Technologien und Märkte - Quo Vadis?
Philipps, S.P.; Bett, A.W.
Presentation
2013Photovoltaik: Technologien und Märkte - Quo Vadis?
Bett, A.W.
Presentation
2013Series resistance mapping of III-V multijunction solar cells based on luminescence imaging
Nesswetter, H.; Dyck, W.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Conference Paper
2013Temperature dependent electroluminescence and voltages of multi-junction solar cells
Karcher, C.; Helmers, H.; Schachtner, M.; Dimroth, F.; Bett, A.W.
Conference Paper
2012Advanced concepts in concentrating photovoltaics (CPV)
Wiesenfarth, M.; Helmers, H.; Philipps, S.P.; Steiner, M.; Bett, A.W.
Conference Paper
2012Concentrating PV: Status and perspectives
Bett, A.W.; Wiesenfarth, M.; Philipps, S.P.
Presentation
2012Concentrix solar's progress in developing highly efficient modules
Riesen, S. van; Gombert, A.; Gerster, E.; Gerstmaier, T.; Jaus, J.; Eltermann, F.; Bett, A.W.
Conference Paper
2012Degradation study on optical materials for concentrator photovoltaics
Eltermann, F.; Roeder, K.; Wiesenfarth, M.; Wilde, J.; Bett, A.W.
Conference Paper
2012Einbinden der Erneuerbaren in das Energiesystem
Bett, A.W.; Philipps, S.P.
Journal Article
2012Electroluminescence and photoluminescence characterization of multijunction solar cells
Nesswetter, H.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Conference Paper
2012Experimental analysis of majority carrier transport processes at heterointerfaces in photovoltaic devices
Hoheisel, R.; Bett, A.W.
Journal Article
2012Front-side interconnected large area concentrator cells for compact concentrator modules
Wiesenfarth, M.; Steiner, M.; Helmers, H.; Siefer, G.; Oliva, E.; Dimroth, F.; Shelef, G.; Polonsky, G.; Flitsanov, Y.; Kribus, A.; Bett, A.W.
Conference Paper
2012Increasing the energy yield of CPV modules through optimized solar cell interconnection
Steiner, M.; Medvidovic, J.; Siefer, G.; Bett, A.W.
Conference Paper
2012Numerical simulations of absorption properties of InP nanowires for solar cell applications
Kailuweit, P.; Peters, M.; Leene, J.; Mergenthaler, K.; Dimroth, F.; Bett, A.W.
Journal Article
2012Outdoor test setup for concentrating photovoltaic and thermal (CPVT) systems
Helmers, H.; Boos, A.; Jetter, F.; Heimsath, A.; Wiesenfarth, M.; Bett, A.W.
Conference Paper
2012Present Status in the Development of II-V Multi-Junction Solar Cells
Philipps, S.; Guter, W.; Welser, E.; Schöne, J.; Steiner, M.; Dimroth, F.; Bett, A.W.
Book Article
2012Realistic power output modeling of CPV modules
Steiner, M.; Siefer, G.; Bösch, A.; Hornung, T.; Bett, A.W.
Conference Paper
2012Spectrally resolved DNI measurements: Results of a field comparison of spectroradiometers, componentcells and the SOLIS satellite model
Gerstmaier, T.; Riesen, S. van; Schulz-Gericke, J.; Gombert, A.; Behrendt, T.; Lorenz, E.; Steiner, M.; Schachtner, M.; Siefer, G.; Bett, A.W.
Conference Paper
2012A validated SPICE network simulation study on improving tunnel diodes by introducing lateral conduction layers
Steiner, M.; Guter, W.; Peharz, G.; Philipps, S.P.; Dimroth, F.; Bett, A.W.
Journal Article
2011Determination of the subcell photovoltage in multijunction solar cells via voltage-dependent capacitance analysis
Hoheisel, R.; Schachtner, M.; Stämmler, E.; Bett, A.W.
Journal Article
2011Dilute Nitrides for 4- and 6-Junction Space Solar Cells
Essig, S.; Welser, E.; Rönsch, S.; Oliva, E.; Schachtner, M.; Siefer, G.; Bett, A.W.; Dimroth, F.
Conference Paper
2011The Effects of Accelerated Aging Tests on Metamorphic III-V Concentrator Solar Cells Mounted on Substrates
Eltermann, F.; Wiesenfarth, M.; Siefer, G.; Wilde, J.; Bett, A.W.
Conference Paper
2011Electroluminescence Exposes Individual Performances in Multi-Junction Cells
Hoheisel, R.; Rönsch, S.; Dimroth, F.; Bett, A.W.; Nesswetter, H.; Zimmermann, C.G.
Journal Article
2011An experimental and theoretical study on the temperature dependence of GaAs solar cells
Philipps, S.P.; Hoheisel, R.; Gandy, T.; Stetter, D.; Hermle, M.; Dimroth, F.; Bett, A.W.
Conference Paper
2011Four-junction spectral beam-splitting photovoltaic receiver with high optical efficiency
Mitchell, B.; Peharz, G.; Siefer, G.; Peters, M.; Gandy, T.; Goldschmidt, J.C.; Benick, J.; Glunz, S.W.; Bett, A.W.; Dimroth, F.
Journal Article
2011Investigations on the temperature dependence of CPV modules equipped with triple-junction solar cell
Peharz, G.; Ferrer Rodriguez, J.P.; Siefer, G.; Bett, A.W.
Journal Article
2011A method for using CPV modules as temperature sensors and its application to rating procedures
Peharz, G.; Ferrer Rodriguez, J.P.; Siefer, G.; Bett, A.W.
Journal Article
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Schachtner, M.; Hoheisel, R.; Sabuncuoglu, F.; Siefer, G.; Bett, A.W.; Darou, S.; Spinner, D.
Conference Paper
2011Reflective secondary optical elements for fresnel lens based concentrator modules
Jaus, J.; Bett, A.W.; Reinecke, H.; Weber, E.R.
Journal Article
2011Spectral Measurements Using Component Cells: Examinations on Measurement Precision
Jaus, J.; Mißbach, T.; Philipps, S.P.; Siefer, G.; Bett, A.W.
Conference Paper
2011Subcell I-V characteristic analysis of GaInP/GaInAs/Ge solar cells using electroluminescence measurements
Rönsch, S.; Hoheisel, R.; Dimroth, F.; Bett, A.W.
Journal Article
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Pearsall, N.; Bett, A.W.; Bonemazzi, F.; Dimmler, B.; Glunz, S.; Poortmans, J.; Strauss, P.
Conference Paper
2011Validated front contact grid simulation for GaAs solar cells under concentrated sunlight
Steiner, M.; Philipps, S.P.; Hermle, M.; Bett, A.W.; Dimroth, F.
Journal Article
2010Advanced processing techniques used for the development of dual-junction monolithic interconnected modules
Helmers, H.; Oliva, E.; Bronner, W.; Dimroth, F.; Bett, A.W.
Conference Paper
2010Amorphous SixC1-x:H single layers before and after thermal annealing: Correlating optical and structural properties
Hartel, A.M.; Künle, M.; Löper, P.; Janz, S.; Bett, A.W.
Journal Article
2010CPV technology overview - research and development
Bett, A.W.; Kurtz, S.
Presentation
2010Development of radiation hard Ga0.50In0.50P/Ga0.99In0.01As/Ge space solar cells with multi quantum wells
Kellenbenz, R.; Hoheisel, R.; Kailuweit, P.; Guter, W.; Dimroth, F.; Bett, A.W.
Conference Paper
2010Development, cost reduction and customized design of industrial concentrator solar cells with efficiencies approaching 40% and above
Guter, W.; Bensch, W.; Kern, R.; Köstler, W.; Meusel, M.; Strobl, G.; Riesen, S. van; Gerstmaier, T.; Gombert, A.; Dimroth, F.; Bett, A.W.
Conference Paper
2010Energy harvesting efficiency of III-V multi-junction concentrator solar cells under realistic spectral conditions
Philipps, S.P.; Peharz, G.; Hoheisel, R.; Hornung, T.; Al-Abbadi, N.M.; Dimroth, F.; Bett, A.W.
Conference Paper
2010Energy harvesting efficiency of III-V triple-junction concentrator solar cells under realistic spectral conditions
Philipps, S.P.; Peharz, G.; Hoheisel, R.; Hornung, T.; Al-Abbadi, N.M.; Dimroth, F.; Bett, A.W.
Journal Article
2010Evaluation of satellite cirrus data for performance models of CPV modules
Peharz, G.; Bugliaro, L.; Siefer, G.; Bett, A.W.
Conference Paper
2010External quantum efficiency measurements of germanium bottoms subcells: Measurement artifacts and correction procedures
Siefer, G.; Baur, C.; Bett, A.W.
Conference Paper
2010Feasibility study on high concentrating photovoltaic power towers
Frohberger, D.; Jaus, J.; Wiesenfarth, M.; Schramek, P.; Bett, A.W.
Conference Paper
2010III-V multijunction solar cells - from current space and terrestrial products to modern cell architectures
Meusel, M.; Bensch, W.; Fuhrmann, D.; Guter, W.; Kern, R.; Köstler, W.; Löckenhoff, R.; Strobl, G.; Kellenbenz, R.; Klinger, V.; Siefer, G.; Welser, E.; Dimroth, F.; Bett, A.W.
Conference Paper
2010Investigation of radiation hardness of germanium photovoltaic cells
Hoheisel, R.; Fernandez, J.; Dimroth, F.; Bett, A.W.
Journal Article
2010Investigations on interconnection technologies for CPV systems
Wiesenfarth, M.; Thaller, S.; Jaus, J.; Eltermann, F.; Passig, M.; Bett, A.W.
Conference Paper
2010Long-term energy production of III-V triple-junction solar cells on the Martian surface
Hoheisel, R.; Philipps, S.P.; Bett, A.W.
Journal Article
2010Modeling of the degradation of III-V triple-junction cells due to particle irradiation on the basis of component cells
Baur, C.; Bett, A.W.
Conference Paper
2010MOVPE growth of III-V solar cells on silicon in 300 mm closed coupled showerhead reactor
Roesener, T.; Döscher, H.; Beyer, A.; Brückner, S.; Klinger, V.; Wekkeli, A.; Kleinschmidt, P.; Jurecka, C.; Ohlmann, J.; Volz, K.; Stolz, W.; Hannappel, T.; Bett, A.W.; Dimroth, F.
Conference Paper
2010Numerical simulation and modeling of GaAs quantum-well solar cells
Kailuweit, P.; Kellenbenz, R.; Philipps, S.P.; Guter, W.; Bett, A.W.; Dimroth, F.
Journal Article
2010Optoelectronic characterisation of intermediate band solar cells by photoreflectance
Cánovas, E.; Fuertes Marrón, D.; Marti, A.; Luque, A.; Stanley, C.R.; Farmer, C.D.; Bett, A.W.
Conference Paper
2010Photoreflectance analysis of a GaInP/GaInAs/Ge multijunction solar cell
Cánovas, E.; Fuertes Marrón, D.; Marti, A.; Luque, A.; Bett, A.W.; Dimroth, F.; Philipps, S.P.
Journal Article
2010Photovoltaik 3.0 - Innovation für mehr Strom aus Licht
Bett, A.W.
Presentation
2010Processing techniques for monolithic interconnection of solar cells at wafer level
Helmers, H.; Olivia, E.; Bronner, W.; Dimroth, F.; Bett, A.W.
Journal Article
2010Promises of advanced multi-junction solar cells for the use in CPV systems
Dimroth, F.; Philipps, S.P.; Peharz, G.; Welser, E.; Kellenbenz, R.; Roesener, T.; Klinger, V.; Oliva, E.; Steiner, M.; Meusel, M.; Guter, W.; Bett, A.W.
Conference Paper
2010Temperature coefficients of FLATCON® modules
Peharz, G.; Ferrer-Rodriguez, J.P.; Siefer, G.; Bett, A.W.
Conference Paper
2009Analysis of radiation hardness of rear-surface passivated germanium photovoltaic cells
Hoheisel, R.; Fernandez, J.; Dimroth, F.; Bett, A.W.
Conference Paper
2009Current-matched triple-junction solar cell reaching 41.1% conversion efficiency under concentrated sunlight
Guter, W.; Schöne, J.; Philipps, S.P.; Steiner, M.; Siefer, G.; Wekkeli, A.; Welser, E.; Oliva, E.; Bett, A.W.; Dimroth, F.
Journal Article
2009Developing large and efficient fluorescent concentrator systems
Goldschmidt, J.C.; Peters, M.; Dimroth, F.; Bett, A.W.; Steidl, L.; Zentel, R.; Hermle, M.; Glunz, S.W.; Willeke, G.
Conference Paper
2009Development and optimization of a 1 eV (GaIn)(NAs) solar cell
Volz, K.; Szesney, A.; Jurecka, C.; Nemeth, I.; Rubel, O.; Stolz, W.; Welser, E.; Oliva, E.; Dimroth, F.; Bett, A.W.
Conference Paper
2009Development of FLATCON® modules using secondary optics
Jaus, J.; Peharz, G.; Gombert, A.; Ferrer-Rodriguez, J.P.; Dimroth, F.; Eltermann, F.; Passig, M.; Wolf, O.; Siefer, G.; Hakenjos, A.; Riesen, S. van; Bett, A.W.
Conference Paper
2009Fluctuations of the peak current of tunnel diodes in multi-junction solar cells
Jandieri, K.; Baranovskii, S.D.; Stolz, W.; Gebhard, F.; Guter, W.; Hermle, M.; Bett, A.W.
Journal Article
2009Front contact grid optimization of III-V solar cells with SPICE network simulation
Steiner, M.; Philipps, S.P.; Hermle, M.; Bett, A.W.; Dimroth, F.
Conference Paper
2009Fundamentally new aspects of tunnel diode transitions in multi-junction photovoltaics
Braun, A.; Hirsch, B.; Katz, E.A.; Gordon, J.M.; Guter, W.; Bett, A.W.
Conference Paper
2009High-voltage GaAs photovoltaic laser power converters
Schubert, J.; Oliva, E.; Dimroth, F.; Guter, W.; Löckenhoff, R.; Bett, A.W.
Journal Article
2009Highest efficiency multi-junction solar cell for terrestrial and space applications
Bett, A.W.; Dimroth, F.; Guter, W.; Hoheisel, R.; Oliva, E.; Philipps, S.P.; Schöne, J.; Siefer, G.; Steiner, M.; Wekkeli, A.; Welser, E.; Meusel, M.; Köstler, W.; Strobl, G.
Conference Paper
2009III-V multi-junction solar cells - Simulation and experimental realization
Philipps, S.P.; Guter, W.; Steiner, M.; Oliva, E.; Siefer, G.; Weiser, E.; George, B.M.; Hermle, M.; Dimroth, F.; Bett, A.W.
Journal Article
2009Localized irradiation effects on tunnel diode transitions in multi-junction concentrator solar cells
Braun, A.; Hirsch, B.; Katz, E.A.; Gordon, J.M.; Guter, W.; Bett, A.W.
Journal Article
2009Metamorphic GaInP/GaInAs/Ge triple-junction solar cells with > 41 % efficiency
Dimroth, F.; Guter, W.; Schöne, J.; Welser, E.; Steiner, M.; Oliva, E.; Wekkeli, A.; Siefer, G.; Philipps, S.P.; Bett, A.W.
Conference Paper
2009NACIR: A new project on CPV'S funded by the European comission under 7th FP
Sala, G.; Pachon, D.; Leloux, J.; Victoria, M.; Bett, A.W.; Banda, P.; Gombert, A.; Diaz, V.; Vazquez, M.A.; Moussaoui, A. el; Abulfotuh, F.A.
Conference Paper
2009An optically powered fibre network for heterogeneous subscribers
Freude, W.; Roger, M.; Dreschmann, M.; Hübner, M.; Bett, A.W.; Becker, J.; Leuthold, J.
Conference Paper
2009Shaping the angular divergence at sun simulators for concentrator modules
Peharz, G.; Ferrer-Rodriguez, J.P.; Bett, A.W.
Conference Paper
2009A simple method for quantifying spectral impacts on multi-junction solar cells
Peharz, G.; Siefer, G.; Bett, A.W.
Journal Article
2009A theoretical analysis on the energy production of III-V multi-junction solar cells under realistic spectral conditions
Philipps, S.P.; Peharz, G.; Hornung, T.; Hoheisel, R.; Al-Abbadi, N.M.; Dimroth, F.; Bett, A.W.
Conference Paper
2009Theoretical investigation on optimum bandgap energies of Ge-based III-V triple-junction solar cells for long-term energy production on Mars
Hoheisel, R.; Philipps, S.P.; Dimroth, F.; Bett, A.W.
Conference Paper
2009Theoretical investigation on optimum bandgap energies of Ge-Based III–V Triple-Junction solar cells for long-term energy production on mars
Hoheisel, R.; Philipps, S.P.; Dimroth, F.; Bett, A.W.
Conference Paper
20083-junction space solar cell analysis and characterisation for Mars exploration missions
Khorenko, V.; Meusel, M.; Torunksi, T.; Strobl, G.; Hoheisel, R.; Dimroth, F.; Bett, A.W.; Campesato, R.; Milanesi, P.; Taylor, S.
Conference Paper
2008Calibrated numerical model of a GaInP-GaAs dual-junction solar cell
Philipps, S.P.; Hermle, M.; Letay, G.; Dimroth, F.; George, B.M.; Bett, A.W.
Journal Article
2008Characterization and numerical modeling of the temperature-dependent behavior of GaAs solar cells
Philipps, S.P.; Stetter, D.; Hoheisel, R.; Hermle, M.; Dimroth, F.; Bett, A.W.
Conference Paper
2008Characterizing GaInP/GaInAs/Ge multijunction solar cells with electroluminescence
Kirchartz, T.; Helbig, A.; Hermle, M.; Rau, U.; Bett, A.W.
Conference Paper
2008Development of metamorphic triple-junction solar cells for low temperature, low intensity operation in space
Dimroth, F.; Hoheisel, R.; Guter, W.; Schöne, J.; Siefer, G.; Welser, E.; Stetter, D.; Bett, A.W.
Conference Paper
2008Development, characterisation and 1000 suns outdoor tests of GaAs monolithic interconnected module (MIM) receivers
Löckenhoff, R.; Dimroth, F.; Oliva, E.; Ohm, A.; Wilde, J.; Faiman, D.; Biryukov, S.; Melnichak, V.; Kabalo, S.; Bokobza, D.; Bett, A.W.
Journal Article
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Volz, K.; Stolz, W.; Teubert, J.; Klar, P.J.; Heimbrodt, W.; Dimroth, F.; Baur, C.; Bett, A.W.
Book Article
2008GaAs converters for high power densities of laser illumination
Oliva, E.; Dimroth, F.; Bett, A.W.
Journal Article
2008III-V solar cells under monochromatic illumination
Bett, A.W.; Dimroth, F.; Löckenhoff, R.; Oliva, E.; Schubert, J.
Conference Paper
2008Internal voltages in GaInP/GaInAs/Ge multijunction solar cells determined by electroluminescence measurements
Kirchartz, T.; Rau, U.; Hermle, M.; Bett, A.W.; Helbig, A.; Werner, J.H.
Journal Article
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Schöne, J.; Spiecker, E.; Dimroth, F.; Bett, A.W.; Jäger, W.
Journal Article
2008Numerical simulation and modeling of III-V multi-junction solar cells
Philipps, S.P.; Hermle, M.; Letay, G.; Guter, W.; George, B.M.; Dimroth, F.; Bett, A.W.
Conference Paper
2008Numerical simulation of tunnel diodes and multi-junction solar cells
Hermle, M.; Philipps, S.P.; Letay, G.; Bett, A.W.
Conference Paper
2008Numerical simulation of tunnel diodes for multi-junction solar cells
Hermle, A.; Letay, G.; Philipps, S.P.; Bett, A.W.
Journal Article
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Roger, M.; Böttger, G.; Dreschmann, M.; Klamouris, C.; Hübner, M.; Bett, A.W.; Becker, J.; Freude, W.; Leuthold, J.
Journal Article
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Böttger, G.; Dreschmann, M.; Klamouris, C.; Hübner, M.; Roeger, M.; Bett, A.W.; Kueng, T.; Becker, J.; Freude, W.; Leuthold, J.
Journal Article
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Volz, K.; Lackner, D.; Nemeth, I.; Kunert, B.; Stolz, W.; Baur, C.; Dimroth, F.; Bett, A.W.
Journal Article
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Bett, A.W.; Jaus, J.; Peharz, G.; Siefer, G.; Hakenjos, A.; Heile, I.; Lerchenmüller, H.; Wüllner, J.
Conference Paper
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Hoheisel, R.; Dimroth, F.; Bett, A.W.
Conference Paper
2008Resonant electron tunneling through defects in GaAs tunnel diodes
Jandieri, K.; Baranovskii, S.D.; Rubel, O.; Stolz, W.; Gebhard, F.; Guter, W.; Hermle, M.; Bett, A.W.
Journal Article
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Jandieri, K.; Baranovskii, S.D.; Rubel, O.; Stolz, W.; Gebhard, F.; Guter, W.; Hermle, M.; Bett, A.W.
Journal Article
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Jaus, J.; Nitz, P.; Peharz, G.; Siefer, G.; Schult, T.; Siefer, G.; Wolf, O.; Passig, M.; Gandy, T.; Bett, A.W.
Conference Paper
2008Silicon material technology and evaluation center (SIMTEC) at Fraunhofer ISE - achievements and visions
Riepe, S.; Schumann, M.; Schmich, E.; Janz, S.; Eyer, A.; Reber, S.; Bett, A.W.; Weber, E.R.
Conference Paper
2008Spectrometric outdoor characterization of CPV modules using isotype monitor cells
Peharz, G.; Siefer, G.; Araki, K.; Bett, A.W.
Conference Paper
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Köstler, W.; Bergunde, T.; LaRoche, G.; Meusel, M.; Strobl, G.; Zimmermann, W.; Bett, A.W.; Dimroth, F.; Taylor, S.; Schülke, P.; Geens, W.
Conference Paper
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Fernandez, J.; Dimroth, F.; Oliva, E.; Hermle, M.; Bett, A.W.
Conference Paper
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Meusel, M.; Bensch, W.; Bergunde, T.; Kern, R.; Khorenko, V.; Köstler, W.; LaRoche, G.; Torunski, T.; Zimmermann, W.; Strobl, G.; Guter, W.; Hermle, M.; Hoheisel, R.; Siefer, G.; Welser, E.; Dimroth, F.; Bett, A.W.; Geens, W.; Baur, C.; Taylor, S.; Hey, G.
Conference Paper
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Fernandez, J.; Dimroth, F.; Olivia, E.; Bett, A.W.
Conference Paper
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Baur, C.; Hermle, M.; Dimroth, F.; Bett, A.W.
Journal Article
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Bett, A.W.; Lerchenmüller, H.
Book Article
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Guter, W.; Dimroth, F.; Schöne, J.; Philipps, S.; Bett, A.W.
Conference Paper
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Welser, E.; Dimroth, F.; Ohm, A.; Guter, W.; Siefer, G.; Philipps, S.; Schöne, J.; Polchroniadis, E.K.; Konidaris, S.; Bett, A.W.
Conference Paper
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Volz, K.; Torunski, T.; Lackner, D.; Rubel, O.; Stolz, W.; Baur, C.; Müller, S.; Dimroth, F.; Bett, A.W.
Journal Article
2007Multijunction concentrator solar cells
Bett, A.W.; Dimroth, F.; Siefer, G.
Book Article
2007Optically powered video camera link
Böttger, G.; Dreschmann, M.; Klamouris, C.; Hübner, M.; Röger, M.; Bett, A.W.; Kueng, T.; Becker, J.; Freude, W.; Leuthold, J.
Conference Paper
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Datas, A.; Algora, C.; Corregidor, V.; Martin, D.; Bett, A.W.; Dimroth, F.; Fernandez, J.
Conference Paper
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Anton, I.; Silva, D.; Sala, G.; Bett, A.W.; Siefer, G.; Luque-Heredia, I.; Trebst, T.
Journal Article
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Datas, A.; Algora, C.; Zamorano, J.C.; Corregidor, V.; Martín, D.; Bett, A.W.; Dimroth, F.; Fernández, J.; Baudrit, M.; Hernández, B.
Conference Paper
2007A strategic research agenda for photovoltaic solar energy technology
Sinke, W.C.; Ballif, C.; Bett, A.W.; Dimmler, B.; Dimova-Malinovska, D.; Fath, P.; Mason, N.; Ferrazza, F.; Gabler, H.; Hall, M.; Marti, A.; Mellikov, E.; Milner, A.; Mogensen, P.; Panhuber, C.; Pearsall, N.; Poortmans, J.; Protogeropoulus, C.; Sarre, G.; Sarti, D.; Strauss, P.; Topic, M.; Zolingen, R. van; Zdanowicz, T.
Conference Paper
2007Triple-junction III-V based concentrator solar cells
Baur, C.; Bett, A.W.; Dimroth, F.; Siefer, G.; Meusel, M.; Bensch, W.; Köstler, W.; Strobl, G.
Journal Article
20061000 sun, compact receiver based on monolithic interconnected modules (MIMS)
Löckenhoff, R.; Dibowski, G.; Dimroth, F.; Meusel, M.; Riesen, S. van; Bett, A.W.
Conference Paper
2006Accelerated indoor aging test procedure for concentrator modules
Siefer, G.; Bett, A.W.
Conference Paper
2006Calibration of III-V concentrator cells and modules
Siefer, G.; Bett, A.W.
Conference Paper
2006Characterization of monolithic III-V multi-junction solar cells - challenges and application
Meusel, M.; Baur, C.; Siefer, G.; Dimroth, F.; Bett, A.W.; Warta, W.
Conference Paper, Journal Article
2006Comparative TEM and HRXRD analyses of strain relaxation in step-graded GaInAs buffer-layers for high-efficiency solar cells
Schöne, J.; Spiecker, E.; Jäger, W.; Dimroth, F.; Bett, A.W.
Journal Article
2006European roadmap of multijunction solar cells and qualification status
Strobl, G.; Bergunde, T.; Köstler, W.; Kern, R.; Meusel, M.; LaRoche, G.; Zimmermann, W.; Bett, A.W.; Dimroth, F.; Geens, W.; Taylor, S.; Fernandez, E.; Gerlach, L.; Signorini, C.; Hey, G.
Conference Paper
2006Heat sink substrates for automated assembly of concentrator modules
Jaus, J.; Fleischfresser, U.; Peharz, G.; Dimroth, F.; Lerchenmüller, H.; Bett, A.W.
Conference Paper
2006Hydrogen production in a PV concentrator using III-V multi-junction solar cells
Dimroth, F.; Peharz, G.; Wittstadt, U.; Hacker, B.; Bett, A.W.
Conference Paper
2006I-V characterization of tunnel diodes and multijunction solar cells
Guter, W.; Bett, A.W.
Journal Article
2006IV-characterization of devices consisting of solar cells and tunnel diodes
Guter, W.; Bett, A.W.
Conference Paper
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Faiman, D.; Biryukov, S.; Bokovza, D.; Kabalo, S.; Katz, E.A.; Melnichak, V.; Bett, A.W.; Löckenhoff, R.; Zahler, C.
Conference Paper
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Klamouris, C.; Böttger, G.; Hübner, M.; Dreschmann, M.; Paulsson, K.; Bett, A.W.; Kueng, T.; Becker, J.; Freude, W.; Leuthold, J.
Conference Paper
2006Optically powered video camera network
Böttger, G.; Hübner, M.; Dreschmann, M.; Klamouris, C.; Paulsson, K.; Kueng, T.; Bett, A.W.; Becker, J.; Freude, W.; Leuthold, J.
Conference Paper
2006Simulating single-junction GaAs solar cells including photon recycling
Letay, G.; Hermle, M.; Bett, A.W.
Journal Article
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Mack, B.; Hermle, M.; Philipps, S.; Bett, A.W.
Conference Paper
2006Thin 5-junction solar cells with improved radiation hardness
Dimroth, F.; Baur, C.; Bett, A.W.; Köstler, W.; Meusel, M.; Strobl, G.
Conference Paper
20053-6 junction photovoltaic cells for space and terrestrial concentrator applications
Dimroth, F.; Baur, C.; Bett, A.W.; Meusel, M.; Strobl, G.
Conference Paper
2005Advanced solar cells for missions to mars
Bett, A.W.; Campesato, R.; Flores, C.; Lurato, F.; Barde, H.; Uebele, P.; Strobl, G.; Baur, C.; Smekens, G.; Vanbegin, J.; Caon, A.
Conference Paper
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Baur, C.; Meusel, M.; Dimroth, F.; Bett, A.W.; Nell, M.; Strobl, G.; Taylor, S.; Signorini, C.
Conference Paper
2005Comparison of efficiency measurements for a HCPV module with 3J cells in 3 sites
Araki, K.; Emery, K.; Siefer, G.; Bett, A.W.; Sakakibara, T.; Kemmoku, Y.; Ekins-Daukes, N.J.; Lee, H.S.; Yamaguchi, M.
Conference Paper
2005Degradation study of III-V solar cells for concentrator applications
Riesen, S. van; Bett, A.W.
Journal Article
2005Detection angle resolved PIXE and the equivalent depth concept for thin film characterization
Reis, M.A.; Chaves, P.C.; Corregidor, V.; Barradas, N.P.; Alves, E.; Dimroth, F.; Bett, A.W.
Conference Paper, Journal Article
2005Determination of the temperature coefficients of various III-V solar cells
Siefer, G.; Abbott, P.; Baur, C.; Schlegl, T.; Bett, A.W.
Conference Paper
2005Development of FLATCON® modules
Mohr, A.; Siefer, G.; Roth, T.; Sadchikov, N.A.; Bett, A.W.; Glunz, S.W.; Willeke, G.P.
Conference Paper
2005Development status of European multi-junction space solar cells with high radiation hardness
Meusel, M.; Baur, C.; Guter, W.; Hermle, M.; Dimroth, F.; Bett, A.W.; Bergunde, T.; Dietrich, R.; Kern, R.; Köstler, W.; Nell, M.; Zimmermann, W.; LaRoche, G.; Strobl, G.; Taylor, S.; Signorini, C.; Hey, G.
Conference Paper
2005Evolution of fully European triple GaAs solar cells
Strobl, G.; Dietrich, R.; Hilgarth, J.; Kern, R.; Köstler, W.; LaRoche, G.; Meusel, M.; Poeck, D.; Rasch, K.D.; Zimmermann, W.; Bett, A.W.; Dimroth, F.; Taylor, S.; Signorini, C.; Schuelke, P.; Hey, G.
Conference Paper
2005Experimental comparison between the power outputs of FLATCON/spl reg/ modules and silicon flat plate modules
Siefer, G.; Bett, A.W.
Conference Paper
2005The FLATCON® concentrator pv-technology ready for the market
Bett, A.W.; Siefer, G.; Baur, C.; Riesen, S.V.; Peharz, G.; Lerchenmüller, H.; Dimroth, F.
Conference Paper
2005FLATCON® Konzentrator-PV-Technologie
Lerchenmüller, H.; Bett, A.W.; Siefer, G.; Dimroth, F.; Willeke, G.
Conference Paper
2005GaSb based PV modules for a TPV generator system
Schlegl, T.; Abbott, P.; Aicher, T.; Dimroth, F.; Siefer, G.; Szolak, R.; Bett, A.W.
Conference Paper
2005Growth and structural characterization of GaInAsSb films on GaSb substrates
Amariei, A.; Polychroniadis, E.K.; Dimroth, F.; Bett, A.W.
Journal Article
2005Investigation of Ge component cells
Baur, C.; Meusel, M.; Dimroth, F.; Bett, A.W.
Conference Paper
2005Large area monolithic interconnected modules (MIMS) for compact concentrator modules
Loeckenhoff, R.; Riesen, S. van; Meusel, M.; Dimroth, F.; Bett, A.W.
Conference Paper
2005Large area monolithic interconnected modules (MIMS) for compact concentrator modules
Loeckenhoff, R.; Riesen, S. van; Meusel, M.; Dimroth, F.; Bett, A.W.
Conference Paper
2005Measurement uncertainties of the calibration of multi-junction solar cells
Baur, C.; Bett, A.W.
Conference Paper
2005Metamorphic GaInP-GalnAs layers for photovoltaic applications
Bett, A.W.; Baur, C.; Dimroth, F.; Schöne, J.
Conference Paper
2005Modeling of III-V multi-junction cells based on spectrometric characterisation
Baur, C.; Bett, A.W.
Conference Paper
2005Progress on "CONMAN" EU R&D project - improvement of photovoltaic concentrating systems and technology transfer to a manufacturer
Browne, W.; Wheldon, A.; Norton, M.; Iborra, A.; Villlarejo, J.; Jodar, E.; Glunz, S.; Mohr, A.; Roth, T.; Bett, A.W.; Gawehns, N.; McCann, M.; Fath, P.; Jimenez, J.; Alcedo, L.; Bremerich, M.; Clive, B.; Andreu, J.; Weatherby, C.; Bentley, R.; Brooker, J.; Wheeler, S.; Teruel, J.
Conference Paper
2005Recent developments in III-V multi-junction space solar cells
Bett, A.W.; Baur, C.; Dimroth, F.; Guter, W.; Meusel, M.; Strobl, G.
Conference Paper
2005Simulation of single junction GaAs solar cells considering optical coupling
Hermle, M.; Letay, G.; Mack, B.; Bett, A.W.
Conference Paper
2005Tunnel diodes for III-V multi-junction solar cells
Guter, W.; Dimroth, F.; Meusel, M.; Bett, A.W.
Conference Paper
2004Cell-mounted spectral filters for thermophotovoltaic applications
Abbott, P.; Bett, A.W.
Conference Paper
2004Characterization of GaSb-based heterostructures by scanning electron microscope cathodoluminescence and scanning tunnelling microscope
Storgards, J.; Méndez, B.; Piqueras, J.; Chenot, M.; Dimroth, F.; Bett, A.W.
Journal Article
2004Comparison of dilute nitride growth on a single- and 8×4-inch multiwafer MOVPE system for solar cell applications
Dimroth, F.; Baur, C.; Bett, A.W.; Volz, K.; Stolz, W.
Journal Article
2004Development of a novel TPV power generator
Aicher, T.; Kästner, P.; Gopinath, A.; Gombert, A.; Bett, A.W.; Schlegl, T.; Hebling, C.; Luther, J.
Conference Paper
2004High external quantum efficiency of planar semiconductor structures
Catchpole, K.R.; Lin, K.L.; Campbell, P.; Green, M.A.; Bett, A.W.; Dimroth, F.
Journal Article
2004MOVPE growth of Sb-based semiconductors in a 9x2-inch planetary® reactor
Giesen, C.; Heuken, M.; Dimroth, F.; Bett, A.W.; Hannappel, T.; Kollonitsch, Z.; Möller, K.; Seip, M.; Greiling, A.
Conference Paper
2004Optimized 9×2-inch MOVPE reactor for the growth of Al-containing antimonides
Dimroth, F.; Bett, A.W.; Giesen, C.; Heuken, M.
Journal Article
2004Tandem cells for very high concentration
Bett, A.W.
Book Article
20035-Junction III-V solar cells for space applications
Dimroth, F.; Baur, C.; Meusel, M.; Riesen, S. van; Bett, A.W.
Conference Paper
2003Accelerated aging tests on III-V single- and multi-junction solar cells
Riesen, S. van; Bett, A.W.; Willeke, G.
Conference Paper
2003Advanced GaInP/Ga(In)As/Ge triple junction space solar cells
Strobl, G.; Dietrich, R.; Hilgarth, J.; Köstler, W.; Kern, R.; Nell, M.; Rothenbacher, S.; Bett, A.W.; Dimroth, F.; Meusel, M.; Campesato, R.; Flores, C.; Timo, G.; Smekens, G.; Vanbegin, J.; Raskin, G.; Geens, W.; LaRoche, G.; Hey, G.; Signorini, C.; Taylor, S.
Conference Paper
2003Beschleunigte Alterung von III/V Solarzellen
Riesen, S. van; Bett, A.W.
Conference Paper
2003Calculating the generation function of III-V solar cells
Letay, G.; Breselge, M.; Bett, A.W.
Conference Paper
2003Characterisation of a 300 x photovoltaic concentrator system with one- axis tracking
Hein, M.; Dimroth, F.; Siefer, G.; Bett, A.W.
Journal Article
2003Correlation of reduced oxygen content in precursors with improved MOVPE layer quality
Rushworth, S.A.; Smith, L.M.; Ravetz, M.S.; Coward, K.M.; Odedra, R.; Kanjolia, R.; Bland, S.W.; Dimroth, F.; Bett, A.W.
Journal Article
2003Development of a 1.0 eV (GaIn)(NAs) solar cell
Baur, C.; Bett, A.W.; Dimroth, F.; Riesen, S. van; Kunert, B.; Traversa, M.; Volz, K.; Stolz, W.
Conference Paper
2003Fabrication of MIM-GaAs solar cells for high concentration PV
Riesen, S. van; Dimroth, F.; Bett, A.W.
Conference Paper
2003Flatcon-modules. Technology and characterisation
Bett, A.W.; Baur, C.; Dimroth, F.; Lange, G.; Meusel, M.; Riesen, S. van; Siefer, G.; Andreev, V.M.; Rumyantsev, V.D.; Sadchikov, N.A.
Conference Paper
2003GaSb photovoltaic cells for applications in TPV generators
Bett, A.W.; Sulima, O.V.
Journal Article
2003GaSb-, InGaAsSb-, InAsSbp- and Ge-TPV cells for low-temperature TPV applications
Sulima, O.V.; Bett, A.W.; Mauk, M.G.; Dimroth, F.; Dutta, P.S.; Mueller, R.L.
Conference Paper
2003Growth of Sb-based materials by MOVPE
Dimroth, F.; Agert, C.; Bett, A.W.
Journal Article, Conference Paper
2003High external quantum efficiency from double heterostructure layers as selective emitters in thermophotonic systems
Lin, K.; Catchpole, K.R.; Trupke, T.; Campbell, P.; Green, M.A.; Aberle, A.G.; Corkish, R.; Bett, A.W.; Dimroth, F.
Conference Paper
2003High external quantum efficieny from double heterostructured layers as selective emitters in thermophotonic systems
Lin, K.; Catchpole, K.R.; Trupke, T.; Campbell, P.; Green, M.A.; Aberle, A.G.; Corkish, R.; Bett, A.W.; Dimroth, F.
Conference Paper
2003Measurement and comparison of the ratio, of the direct beam to normal hemispherical solar spectra, in various parts of the world
Faiman, D.; Karnieli, A.; Ninari, N.; Melnichak, V.; Karki, I.; Bett, A.W.; Siefer, G.; Borg, N. van der; Burgers, A.R.; Dunlop, E.D.
Conference Paper
2003Non-empirical modelization of space degradation of multijunction cells
Bourgoin, J.C.; Zazoui, M.; Makham, S.; Hadrami, M.; Sun, G.G.; Signorini, C.; Taylor, S.J.; Strobl, G.; Dietrich, R.; Bett, A.W.; Guard, O.
Conference Paper
2003The PV fibre project: A PV concentrator for indoor operation of 1000X MJ solar cells by fibre transmission
Sala, G.; Anton, I.; Bett, A.W.; Luque-Heredia, I.; Trebst, T.
Conference Paper
2003Silicon concentrator cells designed for a direct mounting on compound parabolic concentrator
Mohr, A.; Steuder, M.; Bett, A.W.; Glunz, S.W.
Conference Paper
2003Spectral response measurements of monolithic GaInP/Ga(In)As/Ge triple-junction solar cells
Meusel, M.; Baur, C.; Letay, G.; Bett, A.W.; Warta, W.; Fernandez, E.
Journal Article
2002Advanced GaInP/Ga(In)As/Ge triple-junction space solar cells
Strobl, G.; Hilgarth, J.; Nell, M.; Dietrich, R.; Kern, R.; Köstler, W.; Bett, A.W.; Dimroth, F.; Schubert, U.; Flores, C.; Campesato, R.; Timo, G.; LaRoche, G.; Signorini, C.; Bogus, K.
Conference Paper
2002Characterisation of a 25% high-efficiency fresnel lens module with GaInP/GaInAs dual-junction concentrator solar cells
Hein, M.; Meusel, M.; Baur, C.; Dimroth, F.; Lange, G.; Siefer, G.; Tibbits, T.N.D.; Bett, A.W.; Andreev, V.M.; Rumyantsev, V.D.
Conference Paper
2002Development of III-V-Based concentrator cells and their application in PV-modules
Bett, A.W.; Dimroth, F.; Hein, F.; Lange, G.; Meusel, M.; Schubert, U.; Siefer, G.
Conference Paper
2002Development of III-V-based concentrator solar cells and their application in PV-modules
Bett, A.W.; Dimroth, F.; Hein, M.; Lange, G.; Meusel, M.; Schubert, U.; Siefer, G.
Conference Paper
2002Diffusion on Zn in TPV materials: GaSb, InGaSb, InGaAsSb and InAsSbP
Sulima, O.V.; Bett, A.W.; Mauk, M.G.; Ber, B.Y.; Dutta, P.S.
Conference Paper
2002GaAs photovoltaic cells for laser power beaming at high power densities
Riesen, S. van; Schubert, U.; Bett, A.W.
Conference Paper
2002GaSb-, InGaAsSb-, InGaSb-, InAsSbP- and Ge-TPV cells with diffused emitters
Sulima, O.V.; Bett, A.W.; Dutta, P.S.; Mauk, M.G.; Müller, R.L.
Conference Paper
2002Gasb-InGaSb and Ge-TPV cells with diffused emitters
Sulima, O.V.; Bett, A.W.; Dutta, P.S.; Mauk, M.G.; Mueller, R.L.
Journal Article, Conference Paper
2002Hochkonzentrierende Photovoltaik: Modulwirkungsgrade bis zu 25%
Bett, A.W.
Conference Paper
2002Influence of the simulator spectrum on the calibration of multi-junction solar cells under concentration
Siefer, G.; Baur, C.; Meusel, M.; Dimroth, F.; Bett, A.W.; Warta, W.
Conference Paper
2002Origin of the photoluminescence line at 0.8 eV in undoped and Si-doped GaSb grown by MOVPE
Agert, C.; Gladkov, P.S.; Bett, A.W.
Journal Article
2002Spectral mismatch correction and spectrometric characterization of monolithic III-V multi-junction solar cells
Meusel, M.; Adelhelm, R.; Dimroth, F.; Bett, A.W.; Warta, W.
Journal Article
2001Advanced III-V solar cell structures grown by MOVPE
Bett, A.W.; Adelhelm, R.; Agert, C.; Beckert, R.; Dimroth, F.; Schubert, U.
Journal Article
2001Characterisation of a high concentration system with one-axis-tracking
Hein, M.; Bett, A.W.; Dimroth, F.; Siefer, G.
Conference Paper
2001Determination of absolute external quantum efficiency of monolithic triple junction solar cells
Beckert, R.; Meusel, M.; Siefer, G.; Warta, W.; Bett, A.W.
Conference Paper
2001Fabrication and simulation of GaSb thermophotovoltaik cells
Sulima, O.V.; Bett, A.W.
Journal Article
2001High-efficiency (AlGa)As/GaAs solar cells grown by MOVPE using TBAs and low temperatures and low V/III-ratios
Agert, C.; Dimroth, F.; Schubert, U.; Bett, A.W.; Leu, S.; Stolz, W.
Journal Article
2001Metamorphic GayIn1-yP/Ga1-xInxAs tandem solar cells for space and for terrestrial concentrator applications at C > 1000 suns
Dimroth, F.; Beckert, R.; Meusel, M.; Schubert, U.; Bett, A.W.
Journal Article
2001MOVPE of GaSb, (AlGa)Sb and (AlGa)(AsSb) in a multiwafer planetary reactor
Agert, C.; Lanyi, P.; Bett, A.W.
Journal Article
200025,5% efficient Ga(0,35)In(0,65)P/Ga(0,83)In(0,17)As tandem solar cells grown on GaAs substrates
Dimroth, F.; Schubert, U.; Bett, A.W.
Journal Article
200030 per cent monolithic tandem concentrator solar cells for concentrations exceeding 1000 suns
Bett, A.W.; Dimroth, F.; Lange, G.; Meusel, M.; Beckert, R.; Hein, M.; Riesen, S.V.; Schubert, U.
Conference Paper
2000All-glass terrestrial concentrator modules based on composite fresnel lenses and III-V solar cells
Andreev, A.; Rumyantsev, V.D.; Shvarts, M.Z.; Bett, A.W.; Dimroth, F.; Hein, M.; Letay, G.; Sulima, O.V.
Conference Paper
2000Characterization and simulation of GaSb device-related properties
Stollwerck, G.; Sulima, O.V.; Bett, A.W.
Journal Article
2000Concentrator array based on GaAs cells and fresnel lens concentrator
Andreev, A.; Bett, A.W.; Dimroth, F.; Hein, M.; Letay, G.; Rumyantsev, V.D.; Shvarts, M.Z.; Sulima, O.V.
Conference Paper
2000Development of Ga(5.51)In(0.49)P/GaAs tandem solar cells on an industrial size MOVPE reactor
Bett, A.W.; Dimroth, F.; Meusel, M.; Schubert, U.; Adelhelm, R.
Conference Paper
2000Growth of antimony-based materials in a multiwafer planetary MOVPE-reactor
Agert, C.; Lanyi, P.; Sulima, O.V.; Stolz, W.; Bett, A.W.
Journal Article
2000High C-doping of MOVPE grown thin Al(x)Ga(1-x)As layers for AlGaAs/GaAs interband tunneling devices
Dimroth, F.; Schubert, U.; Bett, A.W.; Schienle, F.
Conference Paper
2000High C-doping of MOVPE grown thin AlxGa1-xAs layers for AlGaAs/GaAs interband tunneling devices
Dimroth, F.; Schubert, U.; Schienle, F.; Bett, A.W.
Journal Article
2000InGaAsSb photovoltaic cells with enhanced open-circuit voltage
Sulima, O.V.; Beckert, R.; Bett, A.W.; Cox, J.A.; Mauk, M.G.
Conference Paper
2000Liquid-phase epitaxy of low-bandgap III-V antimonides for thermophotovoltaic devices
Mauk, M.G.; Shellenbarger, Z.A.; Cox, J.A.; Sulima, O.V.; Bett, A.W.; Müller, R.L.; Sims, P.E.; Mc Neely, J.B.; Netta, L.C. di
Journal Article
2000Low oxygen content trimethylaluminium and trimethylindium for MOVPE of light emitting devices
Smith, L.M.; Rushworth, S.A.; Ravetz, M.S.; Odedra, R.; Konjolia, R.; Agert, C.; Dimroth, F.; Schubert, U.; Bett, A.W.
Journal Article
2000MOVPE grown Ga(1-x)In(x)As solar cells for GaInP/GaInAs tandem applications
Dimroth, F.; Lanyi, P.; Schubert, U.; Bett, A.W.
Conference Paper
2000MOVPE grown Ga1-xInxAs solar cells for GaInP/GaInAs tandem applications
Dimroth, F.; Lanyi, P.; Schubert, U.; Bett, A.W.
Journal Article
2000New lattice mismatched GaIn/GaInAs tandem solar cell concepts for high efficiency space- and terrestrial concentrator solar cells
Dimroth, F.; Lanyi, P.; Meusel, M.; Schubert, U.; Bett, A.W.
Conference Paper
2000Procedures for evaluating multijunction concentrators
Emery, K.; Moriarty, T.; Kurtz, S.; Meusel, M.; Beckert, R.; Dimroth, F.; Bett, A.W.; Warta, W.
Conference Paper
2000Progress in development of All-glass terrestrial concentrator modules based on composite fresnel lenses and III-V solar cells
Rumyantsev, V.D.; Andreev, V.M.; Bett, A.W.; Dimroth, F.; Hein, M.; Lamge, G.; Shvarts, M.Z.; Sulima, O.V.
Conference Paper
2000Radiation response of dual-junction Ga(x)In(1-x)P/Ga(y)In(1-y)As solar cells
Walters, R.J.; Summers, G.P.; Bett, A.W.; Dimroth, F.; Hofmann, R.W.; Stan, M.A.; Takamoto, T.; Ikeda, E.
Conference Paper
2000Radiation response of dual-junction Ga(y)In(1-y)P/Ga(1-x)In(x)As solar cells
Dimroth, F.; Bett, A.W.; Walters, R.J.; Summers, G.P.; Messenger, S.R.; Takamoto, T.; Ikeda, E.; Imaizumi, M.; Anzawa, O.; Matsuda, S.
Conference Paper
2000Radiation response of dual-junction GayIn1-yP/Ga1- xInxAs solar-cells
Dimroth, F.; Bett, A.W.; Walters, R.J.; Summers, G.P.; Messenger, S.R.; Takamoto, T.; Ikeda, E.; Imaizumi, M.; Anzawa, O.; Matsuda, S.
Conference Paper
2000Radiation response of Ga(x)In(1-x)As solar cells
Walters, R.J.; Messenger, S.R.; Summers, G.P.; Bett, A.W.; Dimroth, F.; Hoffmann, R.-W.; Stan, M.A.; Takamoto, T.; Ikeda, E.; Imaizumi, M.; Anzawa, O.; Matsuda, S.
Conference Paper
2000Recent progress in the development of III-V solar and thermophotovoltaic cells
Dimroth, F.; Sulima, O.V.; Bett, A.W.
Journal Article
2000Thermophotovoltaic cells on zinc diffused poly-crystalline GaSb
Sulima, O.V.; Bett, A.W.; Dutta, P.S.; Ehsani, H.; Gutmann, R.J.
Conference Paper
1999Development of GaInP/GaAs tandem solar cells on GaAs and germanium substrates
Dimroth, F.; Lanyi, P.; Schubert, U.; Bett, A.W.
Conference Paper
1999III-V Compounds for solar cell Applications
Bett, A.W.; Dimroth, F.; Stollwerck, G.; Sulima, O.V.
Journal Article
1999Pseudo-closed box diffusion of Zn into InGaAsSb and AlGaSb for TPV devices
Bett, A.W.; Ber, B.Y.; Mauk, M.G.; South, J.T.; Sulima, O.V.
Conference Paper
1998Highest efficiency GaAs/GaSb tandem concentrator module
Bett, A.W.; Stollwerk, G.; Sulima, O.V.; Wettling, W.
Conference Paper
1997Simplification of process technology for high-efficiency solar cells
Bett, A.W.; Glunz, S.W.; Knobloch, J.; Schindler, J.; Wettling, W.
Conference Paper
1996Herstellung und Charakterisierung von Al(0.26)Ga(0.74)As-Solarzellen für die Tandem-Konzentrator-Anwendung
Bett, A.W.; Dimroth, F.; Stollwerck, G.; Sulima, O.V.; Wettling, W.
Conference Paper
1996High-efficiency Dünnschicht- und Konzentrator-Solarzellen aus Galliumarsenid
: Bett, A.W.; Wettling, W.
Report
1996Simulation und Entwicklung von GaSb-Solarzellen mit hohem Wirkungsgrad
Stollwerck, G.; Sulima, O.V.; Bett, A.W.; Keser, S.; Baldus, A.
Conference Paper
1996Transmissionline-Messungen und ihre Übertragbarkeit auf Solarzellen
Blug, A.; Stollwerck, G.; Blieske, U.; Bett, A.W.
Conference Paper
1996Zn-Diffusion für eine GaSb-Photovoltaikzelle
Bett, A.W.; Keser, S.; Stollwerck, G.; Sulima, O.V.
Conference Paper
1995Etchback-regrowth process for AIGaAs/GaAs solar cells with built-in electric fields
Bett, A.W.; Baldus, A.; Blug, A.; Mintairov, A.M.; Namazov, A.; Sulima, O.V.
Conference Paper
1995Etchback-regrowth process for AlGaAs/GaAs solar cell structures
Baldus, A.; Blieske, U.; Sulima, O.; Wettling, W.; Bett, A.W.
Conference Paper
1995GaAs/Si Heteroepitaxie mittels LPE/MOCVD
Baldus, A.; Bett, A.W.; Blieske, U.; Duong, T.; Sulima, O.V.; Wettling, W.
Abstract
1995Investigations of GaAs growth from Bi-based melts of solar cells
Baldus, A.; Sulima, O.; Wettling, W.; Bett, A.W.
Conference Paper
1995Konzentratormodule als Alternative zu Flachmodulen bei Hochleistungsanwendung
Bett, A.W.; Mohring, H.D.
Conference Paper
1995Optimierung von GaAs-Sz für die Tandem-Konzentrator-Anwendung
Blieske, U.; Baldus, A.; Blug, A.; Bett, A.W.; Schumacher, J.; Sterk, S.
Abstract
1995Verringerung des Kontaktwiderstandes von AuMn auf LPE-GaAs-Solarzellen mittels Nachdiffusion von Zink aus der Gasphase
Bett, A.W.; Blieske, U.; Duong, T.; Schetter, C.; Sulima, O.V.
Abstract
1994AlGaAs/GaAs solar cells grown by horizontal and vertical LPE etchback-regrowth process
Baldus, A.; Blieske, U.; Sulima, O.; Wettling, W.; Bett, A.W.
Conference Paper
1994AlGaAs/GaAs Solarzellen mit hohem Wirkungsgrad für Konzentrator-Module
Blieske, U.; Baldus, A.; Lutz, F.; Duong, T.; Schetter, C.; Sulima, O.; Wettling, W.; Bett, A.W.
Abstract
1994GaAS one-sun and concentrator solar cells based on LPE-ER grown structures
Baldus, A.; Blieske, U.; Duong, T.; Lutz, F.; Sulima, O.; Schetter, C.; Wettling, W.; Bett, A.W.
Conference Paper
1994LPE-GaAs and LBSF-Si solar cells for tandem concentrator application
Blieske, U.; Sterk, S.; Schumacher, J.; Wettling, W.; Marti, A.; Terron, M.J.; Luque, A.; Bett, A.W.
Conference Paper
1994Optimization of GaAs solar cells for application in concentrator modules
Blieske, U.; Duong, T.; Schetter, C.; Sulima, O.; Bett, A.W.
Conference Paper
1994Selective MOVPE-growth of GaAs on Si for photovoltaic devices
Zieger, K.; Strauss, P.; Scholz, F.; Frankowsky, G.; Hangleiter, A.; Blieske, U.; Schetter, C.; Lutz, F.; Frese, V.; Bett, A.W.
Conference Paper
1993High-throughput two-melt LPE fabrication of AlGaAs/GaAs solar cells
Habich, A.; Nguyen, T.T.T.; Sulima, O.V.; Welter, H.; Wettling, W.; Bett, A.W.
Conference Paper
1993Optimization of optical properties of graded-xAlxGa1-xAs window layers on LPE-grown GaAs solar cells
Habermann, G.; Lutz, F.; Schetter, C.; Sulima, O.V.; Wettling, W.; Bett, A.W.
Conference Paper
1992GaAs-on-Si solar cell structures grown by MBE and LPE
Borgwarth, K.; Sulima, O.V.; Wettling, W.; Schetter, C.; Bett, A.W.
Conference Paper
1991Investigations of emitter characteristics of LPE GaAs solar cells
Welter, H.; Ehrhardt, A.; Wettling, W.; Bett, A.W.
Conference Paper
1991Optimization of LPE-grown high efficiency GaAs solar cells
Cardona, S.; Ehrhardt, A.; Lutz, F.; Welter, H.; Wettling, W.; Bett, A.W.
Conference Paper
1991Transient photoluminescence decay study of minority carrier lifetime in GaAs heteroface solar cell structures
Ehrhardt, A.; Wettling, W.; Bett, A.W.
Journal Article
1990Dünnschichtsolarzellen aus Galliumarsenid
Bronner, W.; Ehrhardt, A.; Lanyi, P.; Lutz, F.; Welter, H.; Yavas, O.; Schetter, C.; Wettling, W.; Bett, A.W.; Nguyen, T.N.
Conference Paper
1990Transient photoluminescence decay investigations of LPE GaAs heteroface solar cells
Ehrhardt, A.; Lutz, F.; Wettling, W.; Bett, A.W.
Conference Paper
1990Zur Abschätzung von Schichtdicke und Versetzungsdichte bei der Heteroepitaxie mittels Rockingkurvenmessungen
Lanyi, P.; Yavas, O.; Bronner, W.; Bett, A.W.
Conference Paper
1989High efficiency isothermal LPE grown GaAs solar cells with high fill factor
Lutz, F.; Nguyen, T.; Wettling, W.; Bett, A.W.
Conference Paper
1989Homogeneity evaluation of GaAs LPE solar cell processing by photoluminescence mapping and photoluminescence decay measurements
Ehrhardt, A.; Krawczyk, S.K.; Schohe, K.; Wettling, W.; Bett, A.W.
Conference Paper
1988Die Bedeutung der GaAlAs-Schicht für die GaAs-Solarzelle
Nguyen, T.; Lutz, F.; Bett, A.W.
Abstract
1988Homogeneity of the local carrier lifetime in GaAs solar cells
Lutz, F.; Louis, T.; Leo, K.; Bett, A.W.
Conference Paper