| Year | Title/Author | Document Type |
| 2018 | High-speed quantum efficiency determination of multijunction solar cells
Missbach, T.; Dengler, S.A.; Siefer, G.; Bett, A.W. | Journal Article |
| 2018 | On the influence of the photo-induced leakage current in monolithically interconnected modules
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M. | Journal Article |
| 2017 | Concentrating photovoltaic systems
Steiner, M.; Gerstmaier, T.; Bett, A.W. | Book Article |
| 2017 | High-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 |
| 2017 | Material quality frontiers of MOVPE grown AIGaAs for minority carrier devices
Heckelmann, S.; Lackner, D.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2017 | Monolithic 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
|
| 2017 | Multi-segment photovoltaic laser power converters and their electrical losses
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M. | Conference Paper
|
| 2017 | On the alignment tolerance of photovoltaic laser power converters
Wagner, L.; Bett, A.W.; Helmers, H. | Journal Article |
| 2017 | On 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
|
| 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. | Conference Paper
|
| 2017 | Power loss mechanisms in monolithic-interconnected six-segment laser power converter: Presentation held at 53rd International Conference on Microelectronics, Devices and Materials, MIDEM 2017, Ljubljana, Slovenia, October 4th - October 6th, 2017
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M. | Presentation |
| 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. | Journal Article |
| 2017 | Reliable and lightning-safe monitoring of wind turbine rotor blades using optically powered sensors
Worms, K.; Klamouris, C.; Wegh, F.; Meder, L.; Volkmer, D.; Philipps, S.P.; Reichmuth, S.K.; Helmers, H.; Kunadt, A.; Vourvoulakis, J.; Bett, A.W.; Koos, C.; Freude, W.; Leuthold, J.; Stork, W. | Journal Article
|
| 2017 | Research on multi-junction solar cells at Fraunhofer ISE: Presentation held at CPV 2017, 13th International Conference on Concentrator Photovoltaic Systems, Ottawa, Canada, May 01 - 03, 2017
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
|
| 2017 | Status 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
|
| 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. | Journal Article |
| 2017 | Uncertainty estimation of spectral matching ratio based power rating of CPV modules
Steiner, M.; Siefer, G.; Bett, A.W. | Conference Paper |
| 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. | Conference Paper
|
| 2016 | 43% sunlight to electricity conversion efficiency using CPV
Steiner, M.; Siefer, G.; Schmidt, T.; Wiesenfarth, M.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2016 | CPV-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
|
| 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. | Conference Paper
|
| 2016 | CPVMatch - Concentrating photovoltaic modules using advanced technologies and cells for highest efficiencies
Philipps, Simon P.; Baudrit, Mathieu; Hillerich, Karla; Moreau, Valentine; Parmesani, Rolando; Román, Eduardo; Sala, Gabriel; Schineller, Bernd; Timò, Gianluca; Bett, Andreas W. | 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. | Presentation
|
| 2016 | Determination 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 |
| 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. | Journal Article |
| 2016 | Determining the optimal laser wavelength for laser power conversion depending on operation temperature
Höhn, O.; Walker, A.W.; Bett, A.W.; Helmers, H. | Conference Paper |
| 2016 | Forschungstrends bei den Photovoltaik-Technologien: Vortrag gehalten auf der FVEE-Jahrestagung 2016, Berlin, Germany, 2. und 3. November 2016
Rech, B.; Albrecht, S.; Brendel, R.; Peibst, R.; Schmidt, J.; Glunz, S.W.; Bett, A.; Rau, U.; Kirchartz, T.; Camus, C.; Egelhaaf, H.-J.; Baumann, A.; Powalla, M. | Presentation |
| 2016 | Four-junction wafer-bonded concentrator 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. | Journal Article
|
| 2016 | Influence of injection current and temperature on electroluminescence of GaAs laser power converters: Presentation held at 3rd Euroregional Workshop on Photovoltaics & Nanophotonics 2016, Ljubljana, Slovenia, 21.09.2016-23.09.2016
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M. | Presentation |
| 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. | Conference Paper
|
| 2016 | Integrated 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
|
| 2016 | Minority 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 |
| 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. | Journal Article
|
| 2016 | Optimal laser wavelength for efficient laser power converter operation over temperature
Höhn, O.; Walker, A.W.; Bett, A.W.; Helmers, H. | Journal Article |
| 2016 | Photovoltaic laser power converters for wireless optical power supply of sensor systems
Helmers, H.; Bett, A.W. | Conference Paper |
| 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. | Journal Article
|
| 2016 | Spatial and spectral electroluminescence for single-junction single-segment GaAs laser power converter characterization: Presentation held at 52nd International Conference on Microelectronics, Devices and Materials, MIDEM 2016, and the Workshop on Biosensors and Microfluidics, September 28th - September 30th, 2016, Ankaran, Slovenia
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M. | Presentation |
| 2016 | Temperature 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
|
| 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. | Conference Paper
|
| 2015 | Analysis 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
|
| 2015 | Challenges and perspectives of CPV technology: Presentation held at 42nd IEEE Photovoltaic Specialists Conference 2015, New Orleans, USA, 14.06.2015-19.06.2015
Bett, A.W. | Presentation
|
| 2015 | CPV 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
|
| 2015 | CPV 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
|
| 2015 | Determination 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 |
| 2015 | Energy level of the Si-related DX-center in (AlyGa1-y)1-xInxAs
Heckelmann, S.; Lackner, D.; Bett, A.W. | Journal Article |
| 2015 | FLATCON® 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 |
| 2015 | Four-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 |
| 2015 | Frequency division multiple-based light spectroscopy
Mißbach, T.; Karcher, C.; Siefer, G.; Bett, A.W. | Journal Article
|
| 2015 | A 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 |
| 2015 | Impact of Photon Recycling and Luminescence Coupling in III-V Photovoltaic Devices
Walker, A.; Höhn, O.; Micha, D.; Wagner, L.; Helmers, H.; Dimroth, F.; Bett, A. | Conference Paper |
| 2015 | Impact 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 |
| 2015 | Impact 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 |
| 2015 | Investigations on AlxGa1-xAs solar cells grown by MOVPE
Heckelmann, S.; Lackner, D.; Karcher, C.; Dimroth, F.; Bett, A.W. | Journal Article
|
| 2015 | Lattice-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 |
| 2015 | Low temperature effects in photovoltaic devices for deep space missions
Hoheisel, R.; Walters, R.J.; Bett, A.W. | Conference Paper
|
| 2015 | NGCPV: 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
|
| 2015 | Optical 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
|
| 2015 | Pathway and technologies for the transformation of the energy system: Presentation held at Sustainability Summit 2015, Freiburg, Germany, October 20, 2015
Bett, A.W.; Henning, H.-M. | Presentation
|
| 2015 | Photoluminescence-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
|
| 2015 | Photovoltaic Cells with Increased Voltage Output for Optical Power Supply of Sensor Electronics
Helmers, H.; Wagner, L.; Garza, C.E.; Reichmuth, S.K.; Oliva, E.; Philipps, S.P.; Lackner, D.; Bett, A. | Conference Paper |
| 2015 | Quantum efficiency measurement of concentrator photovoltaic modules
Mundus, M.; Rapp, C.; Missbach, T.; Siefer, G.; Hohl-Ebinger, J.; Bett, A.W.; Warta, W. | Conference Paper
|
| 2015 | Research strategies to approach the 50% efficiency barrier with multi-junction solar cells: Presentation held at National Scientific Conference "Next Generation Solar" 2015, Toronto, USA, May 13-14, 2015
Bett, A.W. | Presentation
|
| 2015 | Stepwise measurement procedure for the characterization of large-area photovoltaic modules
Rapp, C.; Steiner, M.; Siefer, G.; Bett, A.W. | Journal Article |
| 2015 | YieldOpt, 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 |
| 2014 | Analysis of temperature coefficients for III-V multi-junction concentrator cells
Siefer, G.; Bett, A.W. | Journal Article |
| 2014 | Challenges for Thermal Management and Production Technologies in Conchotovoltaic (CPV) Modules
Wiesenfarth, M.; Gamisch, S.; Dörsam, T.; Bett, A.W. | Conference Paper |
| 2014 | Comparison of direct growth and wafer bonding for the fabrication of GaInP/GaAs dual-junction solar cells on silicon
Dimroth, F.; Roesener, T.; Essig, S.; Weuffen, C.; Wekkeli, A.; Oliva, E.; Siefer, G.; Volz, K.; Hannappel, T.; Häussler, D.; Jäger, W.; Bett, A.W. | Journal Article |
| 2014 | CPV - Technology: Status and Market Perspectives: Presentation held at Solar 2050 Workshop 2014, London, Great Britain, 27.01.2014
Bett, A.W. | Presentation
|
| 2014 | Development and Investigation of a CPV Module with Cassegrain Mirror Optics
Dreger, M.; Wiesenfarth, M.; Kisser, A.; Schmid, T.; Bett, A.W. | Conference Paper
|
| 2014 | Development 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 |
| 2014 | Front side antireflection concepts for silicon solar cells with diffractive rear side structures
Bett, A.; Eisenlohr, J.; Höhn, O.; Bläsi, B.; Benick, J.; Repo, P.; Savin, H.; Goldschmidt, J.C.; Hermle, M. | Conference Paper
|
| 2014 | High-Efficiency - A Key for CPV: Presentation held at CPV-10, 10th International Conference on Concentrator Photovoltaic Systems 2014, Albuquerque, USA, 08.04.2014
Bett, A.W. | Presentation
|
| 2014 | Highly Efficient Multi-junction Solar Cells
Bett, A. | Presentation
|
| 2014 | Hot-carrier solar cell spectral insensitivity: Why develop the hot-carrier solar cell when we have multi-junction devices
Hirst, Louise C.; Lumb, Matthew P.; Hoheisel, Raymond; Philipps, Simon P.; Bett, Andreas W.; Walters, Robert J. | Conference Paper |
| 2014 | III-V multi-junction solar cells
Philipps, S.P.; Bett, A.W. | Book Article |
| 2014 | III-V multi-junction solar cells and concentrating photovoltaic (CPV) systems
Philipps, S.P.; Bett, A.W. | Journal Article |
| 2014 | InGaAs/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 |
| 2014 | Investigation 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
|
| 2014 | An 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 |
| 2014 | Lightning-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 |
| 2014 | Mehrfachsolarzelle, Verfahren zu deren Herstellung und Verwendungen hiervon
Dimroth, Frank; Bett, Andreas | Patent
|
| 2014 | Modeling of concentrating photovoltaic and thermal systems
Helmers, H.; Bett, A.W.; Parisi, J.; Agert, C. | Journal Article |
| 2014 | Next 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 |
| 2014 | Novel light trapping concepts for crystalline silicon solar cells using diffractive rear side structures
Eisenlohr, J.; Tucher, N.; Bett, A.; Hauser, H.; Graf, M.; Benick, J.; Goldschmidt, J.; Bläsi, B.; Hermle, M. | Conference Paper |
| 2014 | Photovoltaic cells for optical power and data transmission: Presentation held at 34. European Telemetry and Test Conference, etc 2014, Nürnberg, Germany, 03.06.2014-05.06.2014
Helmers, H.; Philipps, S.P.; Reichmuth, S.K.; Oliva, E.; Lackner, D.; Bett, A.W. | Presentation
|
| 2014 | Preliminary 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 |
| 2014 | The promise of III-V high-efficiency solar cells: Presentation held at 6th International Symposium on Innovative Solar Cells 2014, Tokyo, Japan, 20.01.2014-21.01.2014
Bett, A.W. | Presentation
|
| 2014 | Similarities and Differences between Terrestrial CPV and Space Multi-Junction Solar Cells: Presentation held at 10th European Space Power Conference 2014, Noordwijkerhout, Netherlands, 13.04.2014-17.04.2014
Bett, A.W. | Presentation
|
| 2014 | Spectral 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 |
| 2014 | SPICE network simulation to calculate thermal runaway in III-V solar cells in CPV modules
Steiner, M.; Siefer, G.; Bett, A.W. | Journal Article |
| 2014 | Temperature-dependent electroluminescence and voltages of multi-junction solar cells
Karcher, C.; Helmers, H.; Schachtner, M.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2014 | Wafer Bonded 4-Junction GaInP/GaAs/GaInAsP/GaInAs Concentrator Solar Cells
Krause, R.; Piccin, M.; Munoz Rico, M.; Charles-Alfred, C.; Drazek, C.; Guiot, E.; Dimroth, F.; Bett, A.; Grave, M.; Beutel, P.; Karcher, C.; Tibbits, T.; Oliva, E.; Siefer, G.; Schachtner, M.; Wekkeli, A.; Signamarcheix, T. | Conference Paper |
| 2014 | Wafer 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 |
| 2013 | Advanced 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 |
| 2013 | AlxGa1-xAs minority carrier lifetime enhancement at low temperatures
Heckelmann, S.; Lackner, D.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2013 | Analysis of high concentration passively cooled CPV module designs using mirror optics
Dreger, M.; Wiesenfarth, M.; Schmid, T.; Bett, A.W. | Conference Paper
|
| 2013 | Bandgap determination based on electrical quantum efficiency
Helmers, H.; Karcher, C.; Bett, A.W. | Journal Article |
| 2013 | Defect 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
|
| 2013 | Efficiency 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
|
| 2013 | Electroluminescence 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 |
| 2013 | Electroluminescence and photoluminescence characterization of multijunction solar cells
Nesswetter, H.; Lugli, P.; Bett, A.W.; Zimmermann, C.G. | Journal Article
|
| 2013 | Fast 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
|
| 2013 | High efficiency III-V multijunction solar cells
Philipps, S.P.; Dimroth, F.; Bett, A.W. | Book Article |
| 2013 | III-V multi-junction solar cells: Market, technological status and research trends
Philipps, S.P.; Bett, A.W. | Conference Paper
|
| 2013 | Improved 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
|
| 2013 | Influence of temperature and irradiance on triple-junction solar subcells
Helmers, H.; Schachtner, M.; Bett, A.W. | Journal Article |
| 2013 | Investigations on 3-dimensional temperature distribution in a FLATCON-type CPV module
Wiesenfarth, M.; Gamisch, S.; Kraus, H.; Bett, A.W. | Conference Paper
|
| 2013 | Investigations on the influence of temperature and concentration on solar cell performances
Helmers, H.; Schachtner, M.; Bett, A.W. | Conference Paper
|
| 2013 | Luminescence based series resistance mapping of III-V multijunction solar cells
Nesswetter, H.; Dyck, W.; Lugli, P.; Bett, A.W.; Zimmermann, C.G. | Journal Article |
| 2013 | Modeling the thermal runaway effect in CPV modules
Steiner, M.; Siefer, G.; Bett, A.W. | Conference Paper
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| 2013 | NGCPV: 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
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| 2013 | Optical 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 |
| 2013 | Overview 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
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| 2013 | Photovoltaik mit hohen Wirkungsgraden. III-V Mehrfachsolarzellen und konzentrierende PV: Vortrag gehalten auf dem 4. Photovoltaik-Symposium, "Photovoltaik und Energiewende" 2013, Bitterfeld-Wolfen, Germany, 07.11.2013
Bett, A.W. | Presentation
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| 2013 | Photovoltaik: Technologien und Märkte - Quo Vadis?: Vortrag gehalten auf der 11. Österreichische Photovoltaik-Tagung 2013, St. Pöltgen, Österreich, 19.11.-20.11.2013
Philipps, S.P.; Bett, A.W. | Presentation
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| 2013 | Photovoltaik: Technologien und Märkte - Quo Vadis?: Vortrag gehalten auf der 11. Nationalen Photovoltaik-Tagung 2013, Basel, Switzerland, 11.03.-12.03.2013
Bett, A.W. | Presentation
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| 2013 | Series 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 |
| 2013 | Temperature dependent electroluminescence and voltages of multi-junction solar cells
Karcher, C.; Helmers, H.; Schachtner, M.; Dimroth, F.; Bett, A.W. | Conference Paper |
| 2012 | Advanced concepts in concentrating photovoltaics (CPV)
Wiesenfarth, M.; Helmers, H.; Philipps, S.P.; Steiner, M.; Bett, A.W. | Conference Paper
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| 2012 | Concentrating PV: Status and perspectives: Presentation held at Solar Summit 2012, 5th International Conference on Highlights and Trends in Solar Energy, Freiburg 19.10.2012
Bett, A.W.; Wiesenfarth, M.; Philipps, S.P. | Presentation
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| 2012 | Concentrix 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
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| 2012 | CPV plants data analysis. ISFOC and NACIR projects results
Martínez, M.; Rubio, F.; Sala, G.; Pachón, D.; Bett, A.; Siefer, G.; Vetter, M.; Schies, A.; Wachtel, J.; Gombert, A.; Wüllner, J.; Díaz, V.; Vázquez, M.A.; Abulfotuh, F.; Fetyan, K.; Moussaoui, A. el; Mansouri, S.; Loudiyi, K.; Darhmaoui, H.; Mrabti, T. | Conference Paper |
| 2012 | Degradation study on optical materials for concentrator photovoltaics
Eltermann, F.; Roeder, K.; Wiesenfarth, M.; Wilde, J.; Bett, A.W. | Conference Paper |
| 2012 | Einbinden der Erneuerbaren in das Energiesystem
Bett, A.W.; Philipps, S.P. | Journal Article |
| 2012 | Electroluminescence and photoluminescence characterization of multijunction solar cells
Nesswetter, H.; Lugli, P.; Bett, A.W.; Zimmermann, C.G. | Conference Paper |
| 2012 | Experimental analysis of majority carrier transport processes at heterointerfaces in photovoltaic devices
Hoheisel, R.; Bett, A.W. | Journal Article |
| 2012 | Front-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
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| 2012 | High Efficiency III-V Multi-Junction Solar Cells
Philipps, S.; Dimroth, F.; Bett, A. | Book Article
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| 2012 | Increasing the energy yield of CPV modules through optimized solar cell interconnection
Steiner, M.; Medvidovic, J.; Siefer, G.; Bett, A.W. | Conference Paper |
| 2012 | Manufacture of Multijunction Solar Cell Devices
Ghyselen, B.; Arena, C.; Dimroth, Frank; Bett, Andreas | Patent
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| 2012 | Manufacture of Multijunction Solar Cell Devices
Ghyselen, B.; Arena, C.; Dimroth, Frank; Bett, Andreas | Patent
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| 2012 | Mehrfachsolarzelle und deren Verwendung
Dimroth, Frank; Bett, Andreas | Patent
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| 2012 | NGCPV: A new generation of concentrator photovoltaic cells, modules and systems
Cristóbal, A.; Marti, A.; Sala, G.; Bett, A.; Ekins-Daukes, N.J.; Roca, F.; Luque-Heredia, I.; Warmuth, W.; Merten, J.; Okada, Y.; Hishikawa, Y.; Takamoto, T.; Araki, K.; Fukuyama, A.; Kuze, N.; Kita, T.; Kotagiri, A.; Yamaguchi, M.; Luque, A. | Conference Paper
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| 2012 | Numerical 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 |
| 2012 | Optoelectronic sensor for measuring direct solar radiation in e.g. parabolic trough solar power plant in roof of building, has protection window, case and housing that are arranged in optical path immediately in front of sensing element
Bett, Andreas; Siefer, Gerald; Boesch, Armin; Jaus, Joachim; Peharz, Gerhard | Patent
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| 2012 | Outdoor test setup for concentrating photovoltaic and thermal (CPVT) systems
Helmers, H.; Boos, A.; Jetter, F.; Heimsath, A.; Wiesenfarth, M.; Bett, A.W. | Conference Paper |
| 2012 | Perspektiven für das Zusammenspiel von Energieeffizienz und Erneuerbaren sowie ihre Einbindung in das Energiesystem
Bett, Andrea; Burger, Bruno; Ebert, Günther; Philipps, Simon; Stryi-Hipp, Gerhard; Rohrig, Kurt; Strauß, Philipp; Krautkremer, Bernd; Gils, Christian; Hauser, Gerd; Brabec, Christoph J.; Ebert, Hans-Peter; Hauer, Andreas | Conference Paper
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| 2012 | Present 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 |
| 2012 | Realistic power output modeling of CPV modules
Steiner, M.; Siefer, G.; Bösch, A.; Hornung, T.; Bett, A.W. | Conference Paper
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| 2012 | Spectrally 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 |
| 2012 | A 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
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| 2011 | Determination of the subcell photovoltage in multijunction solar cells via voltage-dependent capacitance analysis
Hoheisel, R.; Schachtner, M.; Stämmler, E.; Bett, A.W. | Journal Article |
| 2011 | Dilute 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 |
| 2011 | The 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
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| 2011 | Electroluminescence Exposes Individual Performances in Multi-Junction Cells
Hoheisel, R.; Rönsch, S.; Dimroth, F.; Bett, A.W.; Nesswetter, H.; Zimmermann, C.G. | Journal Article
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| 2011 | An 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
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| 2011 | Four-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 |
| 2011 | III-V Multi-Junction Solar Cells and Concentrating Optics A Perfect Match for Highest Efficiencies
Bett, A. | Journal Article |
| 2011 | Investigations 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 |
| 2011 | A 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 |
| 2011 | A New Tool to Measure Monolithic Multi Junction Solar Cells with up to Six Subcells
Schachtner, M.; Hoheisel, R.; Sabuncuoglu, F.; Siefer, G.; Bett, A.W.; Darou, S.; Spinner, D. | Conference Paper
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| 2011 | Perspektiven für das Zusammenspiel von Energieeffizienz und Erneuerbaren sowie ihre Einbindung in das Energiesystem
Philipps, S.; Bett, A.; Burger, B.; Ebert, G.; Stryi-Hipp, G.; Rohrig, K.; Strauß, P.; Krautkremer, B.; Gils, H.C.; Hauser, G.; Brabec, C.J.; Ebert, H.-P.; Hauer, A. | Conference Paper |
| 2011 | Reflective secondary optical elements for fresnel lens based concentrator modules
Jaus, J.; Bett, A.W.; Reinecke, H.; Weber, E.R. | Journal Article |
| 2011 | Solarzellenmodul und Konzentratormodul sowie deren Verwendung
Wiesenfarth, Maike; Gamisch, Sebastian; Doersam, T.; Bett, A. | Patent
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| 2011 | Spectral Measurements Using Component Cells: Examinations on Measurement Precision
Jaus, J.; Mißbach, T.; Philipps, S.P.; Siefer, G.; Bett, A.W. | Conference Paper
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| 2011 | Subcell I-V characteristic analysis of GaInP/GaInAs/Ge solar cells using electroluminescence measurements
Rönsch, S.; Hoheisel, R.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2011 | Updating the European Strategic Research Agenda
Pearsall, N.; Bett, A.W.; Bonemazzi, F.; Dimmler, B.; Glunz, S.; Poortmans, J.; Strauss, P. | Conference Paper
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| 2011 | Validated 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 |
| 2010 | Advanced 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 |
| 2010 | Amorphous 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 |
| 2010 | CPV technology overview - research and development: Presentation held at 1st EPIA International Conference on Concentrator Photovoltaics 2010, Munich, Germany, 10.11.2010
Bett, A.W.; Kurtz, S. | Presentation
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| 2010 | Development 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
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| 2010 | Development, 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
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| 2010 | Energy 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 |
| 2010 | Energy 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 |
| 2010 | Evaluation of satellite cirrus data for performance models of CPV modules
Peharz, G.; Bugliaro, L.; Siefer, G.; Bett, A.W. | Conference Paper
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| 2010 | External quantum efficiency measurements of germanium bottoms subcells: Measurement artifacts and correction procedures
Siefer, G.; Baur, C.; Bett, A.W. | Conference Paper
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| 2010 | Feasibility study on high concentrating photovoltaic power towers
Frohberger, D.; Jaus, J.; Wiesenfarth, M.; Schramek, P.; Bett, A.W. | Conference Paper
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| 2010 | High-Concentration Fresnel Lens Assemblies and Systems
Peharz, G.; Bett, A. | Book Article |
| 2010 | III-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
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| 2010 | Investigation of radiation hardness of germanium photovoltaic cells
Hoheisel, R.; Fernandez, J.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2010 | Investigations on interconnection technologies for CPV systems
Wiesenfarth, M.; Thaller, S.; Jaus, J.; Eltermann, F.; Passig, M.; Bett, A.W. | Conference Paper
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| 2010 | Konzentrator-Photovoltaik mit hocheffizienten III-V-Solarzellen
Bett, A. | Book Article |
| 2010 | Long-term energy production of III-V triple-junction solar cells on the Martian surface
Hoheisel, R.; Philipps, S.P.; Bett, A.W. | Journal Article |
| 2010 | Modeling 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
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| 2010 | MOVPE 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
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| 2010 | Numerical 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 |
| 2010 | Optoelectronic characterisation of intermediate band solar cells by photoreflectance: Comparison to other advanced architectures
Cánovas, E.; Fuertes Marrón, D.; Marti, A.; Luque, A.; Stanley, C.R.; Farmer, C.D.; Bett, A.W. | Conference Paper |
| 2010 | Photoreflectance 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 |
| 2010 | Photovoltaik 3.0 - Innovation für mehr Strom aus Licht: Vortrag gehalten bei Photonik 2020 - Impulsvortrag für Workshop IV, Berlin, Germany, 23.03.2010
Bett, A.W. | Presentation
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| 2010 | Processing techniques for monolithic interconnection of solar cells at wafer level
Helmers, H.; Olivia, E.; Bronner, W.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2010 | Promises 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
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| 2010 | Temperature coefficients of FLATCON® modules
Peharz, G.; Ferrer-Rodriguez, J.P.; Siefer, G.; Bett, A.W. | Conference Paper
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| 2009 | Analysis of radiation hardness of rear-surface passivated germanium photovoltaic cells
Hoheisel, R.; Fernandez, J.; Dimroth, F.; Bett, A.W. | Conference Paper |
| 2009 | Current-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 |
| 2009 | Developing 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
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| 2009 | Development 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 |
| 2009 | Development 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 |
| 2009 | Fluctuations 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 |
| 2009 | Front 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
|
| 2009 | Fundamentally 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 |
| 2009 | High-voltage GaAs photovoltaic laser power converters
Schubert, J.; Oliva, E.; Dimroth, F.; Guter, W.; Löckenhoff, R.; Bett, A.W. | Journal Article |
| 2009 | Highest 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 |
| 2009 | III-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
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| 2009 | Localized 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 |
| 2009 | Metamorphic 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 |
| 2009 | NACIR: 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 |
| 2009 | An optically powered fibre network for heterogeneous subscribers
Freude, W.; Roger, M.; Dreschmann, M.; Hübner, M.; Bett, A.W.; Becker, J.; Leuthold, J. | Conference Paper |
| 2009 | Shaping the angular divergence at sun simulators for concentrator modules
Peharz, G.; Ferrer-Rodriguez, J.P.; Bett, A.W. | Conference Paper |
| 2009 | A simple method for quantifying spectral impacts on multi-junction solar cells
Peharz, G.; Siefer, G.; Bett, A.W. | Journal Article |
| 2009 | A 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 |
| 2009 | Theoretical 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 |
| 2009 | Theoretical 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 |
| 2008 | 3-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 |
| 2008 | Calibrated 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 |
| 2008 | Characterization 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
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| 2008 | Characterizing GaInP/GaInAs/Ge multijunction solar cells with electroluminescence
Kirchartz, T.; Helbig, A.; Hermle, M.; Rau, U.; Bett, A.W. | Conference Paper
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| 2008 | Development 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 |
| 2008 | Development, 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 |
| 2008 | Doping electrical properties and solar cell application of GaInNAs
Volz, K.; Stolz, W.; Teubert, J.; Klar, P.J.; Heimbrodt, W.; Dimroth, F.; Baur, C.; Bett, A.W. | Book Article |
| 2008 | GaAs converters for high power densities of laser illumination
Oliva, E.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2008 | III-V solar cells under monochromatic illumination
Bett, A.W.; Dimroth, F.; Löckenhoff, R.; Oliva, E.; Schubert, J. | Conference Paper |
| 2008 | Internal 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 |
| 2008 | Misfit dislocation blocking by dilute nitride intermediate layers
Schöne, J.; Spiecker, E.; Dimroth, F.; Bett, A.W.; Jäger, W. | Journal Article |
| 2008 | Numerical 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
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| 2008 | Numerical simulation of tunnel diodes and multi-junction solar cells
Hermle, M.; Philipps, S.P.; Letay, G.; Bett, A.W. | Conference Paper |
| 2008 | Numerical simulation of tunnel diodes for multi-junction solar cells
Hermle, A.; Letay, G.; Philipps, S.P.; Bett, A.W. | Journal Article |
| 2008 | Offenes verkapseltes Konzentratorsystem fuer Solarstrahlung
Loeckenhoff, R.; Bett, A.; Wiesenfarth, M.; Segev, R. | Patent
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| 2008 | Optically powered fiber networks
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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| 2008 | An optically powered video camera link
Böttger, G.; Dreschmann, M.; Klamouris, C.; Hübner, M.; Roeger, M.; Bett, A.W.; Kueng, T.; Becker, J.; Freude, W.; Leuthold, J. | Journal Article |
| 2008 | Optimization of annealing conditions of (GaIn)(NAs) for solar cell applications
Volz, K.; Lackner, D.; Nemeth, I.; Kunert, B.; Stolz, W.; Baur, C.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2008 | Outdoor evaluation of FLATCON® modules and systems
Bett, A.W.; Jaus, J.; Peharz, G.; Siefer, G.; Hakenjos, A.; Heile, I.; Lerchenmüller, H.; Wüllner, J. | Conference Paper |
| 2008 | Performance prediction of triple-junction solar cells under arbitrary operating conditions
Hoheisel, R.; Dimroth, F.; Bett, A.W. | Conference Paper |
| 2008 | Progress in photon management for full spectrum utilization with luminescent materials
Goldschmidt, J.C.; Peters, M.; Löper, P.; Schultz, O.; Dimroth, F.; Bett, A.; Gombert, A.; Glunz, S.W.; Willeke, G. | Conference Paper
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| 2008 | Resonant 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 |
| 2008 | Resonant tunneling as a dominant transport mechanism in n-GaAs/p-GaAs tunnel diodes
Jandieri, K.; Baranovskii, S.D.; Rubel, O.; Stolz, W.; Gebhard, F.; Guter, W.; Hermle, M.; Bett, A.W. | Journal Article |
| 2008 | Second stage reflective and refractive optics for concentrator photovoltaics
Jaus, J.; Nitz, P.; Peharz, G.; Siefer, G.; Schult, T.; Siefer, G.; Wolf, O.; Passig, M.; Gandy, T.; Bett, A.W. | Conference Paper |
| 2008 | Silicon 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
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| 2008 | Spectrometric outdoor characterization of CPV modules using isotype monitor cells
Peharz, G.; Siefer, G.; Araki, K.; Bett, A.W. | Conference Paper |
| 2008 | Weight reduced III-V triple junction cells for SPACE applications
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 |
| 2007 | Back-surface optimization of Germanium TPV cells
Fernandez, J.; Dimroth, F.; Oliva, E.; Hermle, M.; Bett, A.W. | Conference Paper |
| 2007 | Development and production of European III-V multi-junction solar cells
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 |
| 2007 | Development of germanium TPV cell technology
Fernandez, J.; Dimroth, F.; Olivia, E.; Bett, A.W. | Conference Paper |
| 2007 | Effects of optical coupling in III-V multilayer systems
Baur, C.; Hermle, M.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2007 | The FLATCON system from Concentrix Solar
Bett, A.W.; Lerchenmüller, H. | Book Article |
| 2007 | Investigation and development of III-V triple-junction concentrator solar cells
Guter, W.; Dimroth, F.; Schöne, J.; Philipps, S.; Bett, A.W. | Conference Paper |
| 2007 | Lattice-matched GaInAsSb on GaSb for TPV cells
Welser, E.; Dimroth, F.; Ohm, A.; Guter, W.; Siefer, G.; Philipps, S.; Schöne, J.; Polchroniadis, E.K.; Konidaris, S.; Bett, A.W. | Conference Paper |
| 2007 | Material development for improved 1 eV (Galn)(NAs) solar cell structures
Volz, K.; Torunski, T.; Lackner, D.; Rubel, O.; Stolz, W.; Baur, C.; Müller, S.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2007 | Multijunction concentrator solar cells
Bett, A.W.; Dimroth, F.; Siefer, G. | Book Article |
| 2007 | Optically 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 |
| 2007 | Optimization of germanium cell arrays in tungsten emitter-based solar TPV systems
Datas, A.; Algora, C.; Corregidor, V.; Martin, D.; Bett, A.W.; Dimroth, F.; Fernandez, J. | Conference Paper |
| 2007 | Photovoltaisches Konzentratormodul mit Multifunktionsrahmen
Dimroth, F.; Bett, A.; Schmidt, C.; Lerchenmueller, H. | Patent
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| 2007 | The PV-FIBRE concentrator: A system for indoor operation of 1000X MJ solar cells
Anton, I.; Silva, D.; Sala, G.; Bett, A.W.; Siefer, G.; Luque-Heredia, I.; Trebst, T. | Journal Article |
| 2007 | A solar TPV system based on germanium cells
Datas, A.; Algora, C.; Zamorano, J.C.; Corregidor, V.; Martín, D.; Bett, A.W.; Dimroth, F.; Fernández, J.; Baudrit, M.; Hernández, B. | Conference Paper |
| 2007 | Solarzellenmodul und Verfahren zu seiner Herstellung
Jaus, J.; Bett, A.; Boesch, A.; Dimroth, F.; Lerchenmueller, H. | Patent
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| 2007 | A 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 |
| 2007 | Triple-junction III-V based concentrator solar cells: Perspectives and challenges
Baur, C.; Bett, A.W.; Dimroth, F.; Siefer, G.; Meusel, M.; Bensch, W.; Köstler, W.; Strobl, G. | Journal Article |
| 2006 | 1000 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 |
| 2006 | Accelerated indoor aging test procedure for concentrator modules
Siefer, G.; Bett, A.W. | Conference Paper |
| 2006 | Calibration of III-V concentrator cells and modules
Siefer, G.; Bett, A.W. | Conference Paper |
| 2006 | Characterization 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 |
| 2006 | Comparative 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 |
| 2006 | European 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 |
| 2006 | Heat sink substrates for automated assembly of concentrator modules
Jaus, J.; Fleischfresser, U.; Peharz, G.; Dimroth, F.; Lerchenmüller, H.; Bett, A.W. | Conference Paper |
| 2006 | Hydrogen 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 |
| 2006 | I-V characterization of tunnel diodes and multijunction solar cells
Guter, W.; Bett, A.W. | Journal Article |
| 2006 | III-V solar cell growth on wafer-bonded GaAs/Si-substrates
Schöne, J.; Dimroth, F.; Bett, A.; Tauzin, A.; Jaussaud, C.; Roussin, J.-C. | Conference Paper |
| 2006 | Improving the material quality of MOVPE grown (GaIn) (NAs)
Volz, K.; Lackner, D.; Rubel, O.; Stolz, W.; Baur, C.; Dimroth, F.; Müller, S.; Bett, A. | Conference Paper |
| 2006 | IV-characterization of devices consisting of solar cells and tunnel diodes
Guter, W.; Bett, A.W. | Conference Paper |
| 2006 | Natural sunlight tests at petal, of A trial mim string at concentrations up to 1000X
Faiman, D.; Biryukov, S.; Bokovza, D.; Kabalo, S.; Katz, E.A.; Melnichak, V.; Bett, A.W.; Löckenhoff, R.; Zahler, C. | Conference Paper |
| 2006 | Optically powered platform with Mb/s transmission over a single fiber
Klamouris, C.; Böttger, G.; Hübner, M.; Dreschmann, M.; Paulsson, K.; Bett, A.W.; Kueng, T.; Becker, J.; Freude, W.; Leuthold, J. | Conference Paper |
| 2006 | Simulating single-junction GaAs solar cells including photon recycling
Letay, G.; Hermle, M.; Bett, A.W. | Journal Article |
| 2006 | Simulation of the tunnelling current in heavily doped pn-junctions
Mack, B.; Hermle, M.; Philipps, S.; Bett, A.W. | Conference Paper
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| 2006 | Thin 5-junction solar cells with improved radiation hardness
Dimroth, F.; Baur, C.; Bett, A.W.; Köstler, W.; Meusel, M.; Strobl, G. | Conference Paper |
| 2005 | 3-6 junction photovoltaic cells for space and terrestrial concentrator applications
Dimroth, F.; Baur, C.; Bett, A.W.; Meusel, M.; Strobl, G. | Conference Paper |
| 2005 | Advanced 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 |
| 2005 | Analysis of the radiation hardness of triple- and quintuple- junction space solar cells
Baur, C.; Meusel, M.; Dimroth, F.; Bett, A.W.; Nell, M.; Strobl, G.; Taylor, S.; Signorini, C. | Conference Paper |
| 2005 | Comparison 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 |
| 2005 | Degradation study of III-V solar cells for concentrator applications
Riesen, S. van; Bett, A.W. | Journal Article |
| 2005 | Detection 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 |
| 2005 | Determination of the temperature coefficients of various III-V solar cells
Siefer, G.; Abbott, P.; Baur, C.; Schlegl, T.; Bett, A.W. | Conference Paper |
| 2005 | Development of FLATCON® modules
Mohr, A.; Siefer, G.; Roth, T.; Sadchikov, N.A.; Bett, A.W.; Glunz, S.W.; Willeke, G.P. | Conference Paper |
| 2005 | Development 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 |
| 2005 | Evolution 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 |
| 2005 | Experimental comparison between the power outputs of FLATCON/spl reg/ modules and silicon flat plate modules
Siefer, G.; Bett, A.W. | Conference Paper |
| 2005 | The 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 |
| 2005 | FLATCON® Konzentrator-PV-Technologie
Lerchenmüller, H.; Bett, A.W.; Siefer, G.; Dimroth, F.; Willeke, G. | Conference Paper |
| 2005 | FULLSPECTRUM: A new PV wave making more efficient use of the solar spectrum
Marti, A.; Bett, A.; Andreev, V.M.; Jaussaud, C.; Roosmalen, J.A.M. van; Alonso, J.; Räuber, A.; Strobl, G.; Stolz, W.; Algora, C.; Bitnar, B.; Gombert, A.; Stanley, C.; Wahnon, P.; Conesa, J.; Sark, W.G.J.H.M. van; Meijerink, A.; Klink, G. van; Barnham, K.; Danz, R.; Meyer, T.; Luque-Heredia, I.; Kenny, R.; Christodes, C.; Sala, G.; Benítez, P. | Conference Paper |
| 2005 | GaSb 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 |
| 2005 | Growth and structural characterization of GaInAsSb films on GaSb substrates
Amariei, A.; Polychroniadis, E.K.; Dimroth, F.; Bett, A.W. | Journal Article |
| 2005 | Investigation of Ge component cells
Baur, C.; Meusel, M.; Dimroth, F.; Bett, A.W. | Conference Paper |
| 2005 | Large area monolithic interconnected modules (MIMS) for compact concentrator modules
Loeckenhoff, R.; Riesen, S. van; Meusel, M.; Dimroth, F.; Bett, A.W. | Conference Paper |
| 2005 | Large area monolithic interconnected modules (MIMS) for compact concentrator modules
Loeckenhoff, R.; Riesen, S. van; Meusel, M.; Dimroth, F.; Bett, A.W. | Conference Paper |
| 2005 | Measurement uncertainties of the calibration of multi-junction solar cells
Baur, C.; Bett, A.W. | Conference Paper |
| 2005 | Metamorphic GaInP-GalnAs layers for photovoltaic applications
Bett, A.W.; Baur, C.; Dimroth, F.; Schöne, J. | Conference Paper |
| 2005 | Modeling of III-V multi-junction cells based on spectrometric characterisation
Baur, C.; Bett, A.W. | Conference Paper |
| 2005 | Progress 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 |
| 2005 | Recent developments in III-V multi-junction space solar cells
Bett, A.W.; Baur, C.; Dimroth, F.; Guter, W.; Meusel, M.; Strobl, G. | Conference Paper |
| 2005 | Simulation of single junction GaAs solar cells considering optical coupling
Hermle, M.; Letay, G.; Mack, B.; Bett, A.W. | Conference Paper |
| 2005 | Tunnel diodes for III-V multi-junction solar cells
Guter, W.; Dimroth, F.; Meusel, M.; Bett, A.W. | Conference Paper |
| 2004 | Cell-mounted spectral filters for thermophotovoltaic applications
Abbott, P.; Bett, A.W. | Conference Paper |
| 2004 | Characterization 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 |
| 2004 | Comparison 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 |
| 2004 | Development 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 |
| 2004 | High 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 |
| 2004 | MOVPE 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 |
| 2004 | Optimized 9×2-inch MOVPE reactor for the growth of Al-containing antimonides
Dimroth, F.; Bett, A.W.; Giesen, C.; Heuken, M. | Journal Article |
| 2004 | RBS analysis of AlGaSb thin films
Barradas, N.P.; Alves, E.; Ruiz, C.M.; Dieguez, E.; Dimroth, F.; Chenot, M.-A.; Bett, A. | Conference Paper |
| 2004 | Tandem cells for very high concentration
Bett, A.W. | Book Article |
| 2003 | 5-Junction III-V solar cells for space applications
Dimroth, F.; Baur, C.; Meusel, M.; Riesen, S. van; Bett, A.W. | Conference Paper |
| 2003 | Accelerated aging tests on III-V single- and multi-junction solar cells
Riesen, S. van; Bett, A.W.; Willeke, G. | Conference Paper |
| 2003 | Advanced 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 |
| 2003 | Beschleunigte Alterung von III/V Solarzellen
Riesen, S. van; Bett, A.W. | Conference Paper |
| 2003 | Calculating the generation function of III-V solar cells
Letay, G.; Breselge, M.; Bett, A.W. | Conference Paper |
| 2003 | Characterisation of a 300 x photovoltaic concentrator system with one- axis tracking
Hein, M.; Dimroth, F.; Siefer, G.; Bett, A.W. | Journal Article |
| 2003 | Correlation 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 |
| 2003 | Development 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 |
| 2003 | Fabrication of MIM-GaAs solar cells for high concentration PV
Riesen, S. van; Dimroth, F.; Bett, A.W. | Conference Paper |
| 2003 | Flatcon-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 |
| 2003 | GaSb photovoltaic cells for applications in TPV generators
Bett, A.W.; Sulima, O.V. | Journal Article |
| 2003 | GaSb-, 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 |
| 2003 | Growth of Sb-based materials by MOVPE
Dimroth, F.; Agert, C.; Bett, A.W. | Journal Article |
| 2003 | High 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 |
| 2003 | High 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 |
| 2003 | Measurement 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 |
| 2003 | Non-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 |
| 2003 | The 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 |
| 2003 | Silicon concentrator cells designed for a direct mounting on compound parabolic concentrator
Mohr, A.; Steuder, M.; Bett, A.W.; Glunz, S.W. | Conference Paper
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| 2003 | Spectral response measurements of monolithic GaInP/Ga(In)As/Ge triple-junction solar cells: Measurement artifacts and their explanation
Meusel, M.; Baur, C.; Letay, G.; Bett, A.W.; Warta, W.; Fernandez, E. | Journal Article |
| 2002 | Advanced 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 |
| 2002 | Characterisation 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
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| 2002 | Development 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
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| 2002 | Development 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 |
| 2002 | Diffusion 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 |
| 2002 | GaAs photovoltaic cells for laser power beaming at high power densities
Riesen, S. van; Schubert, U.; Bett, A.W. | Conference Paper
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| 2002 | GaSb-, 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 |
| 2002 | Gasb-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 |
| 2002 | Hochkonzentrierende Photovoltaik: Modulwirkungsgrade bis zu 25%
Bett, A.W. | Conference Paper |
| 2002 | Influence 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 |
| 2002 | Origin 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 |
| 2002 | Spectral 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 |
| 2001 | Advanced III-V solar cell structures grown by MOVPE
Bett, A.W.; Adelhelm, R.; Agert, C.; Beckert, R.; Dimroth, F.; Schubert, U. | Journal Article |
| 2001 | Characterisation of a high concentration system with one-axis-tracking
Hein, M.; Bett, A.W.; Dimroth, F.; Siefer, G. | Conference Paper |
| 2001 | Determination of absolute external quantum efficiency of monolithic triple junction solar cells
Beckert, R.; Meusel, M.; Siefer, G.; Warta, W.; Bett, A.W. | Conference Paper |
| 2001 | Fabrication and simulation of GaSb thermophotovoltaik cells
Sulima, O.V.; Bett, A.W. | Journal Article |
| 2001 | High-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 |
| 2001 | Metamorphic 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 |
| 2001 | MOVPE of GaSb, (AlGa)Sb and (AlGa)(AsSb) in a multiwafer planetary reactor
Agert, C.; Lanyi, P.; Bett, A.W. | Journal Article |
| 2000 | 25,5% 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 |
| 2000 | 30 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 |
| 2000 | All-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 |
| 2000 | Anodic oxidation of GaSb in Acid-glycol-water electrolytes
Sulima, O.; Bett, A.; Wagner, J. | Journal Article |
| 2000 | Characterization and simulation of GaSb device-related properties
Stollwerck, G.; Sulima, O.V.; Bett, A.W. | Journal Article |
| 2000 | Concentrator 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 |
| 2000 | Development 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 |
| 2000 | Growth of antimony-based materials in a multiwafer planetary MOVPE-reactor
Agert, C.; Lanyi, P.; Sulima, O.V.; Stolz, W.; Bett, A.W. | Journal Article |
| 2000 | High 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 |
| 2000 | High 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 |
| 2000 | InGaAsSb photovoltaic cells with enhanced open-circuit voltage
Sulima, O.V.; Beckert, R.; Bett, A.W.; Cox, J.A.; Mauk, M.G. | Conference Paper |
| 2000 | Liquid-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 |
| 2000 | Low 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 |
| 2000 | MOVPE 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 |
| 2000 | MOVPE grown Ga1-xInxAs solar cells for GaInP/GaInAs tandem applications
Dimroth, F.; Lanyi, P.; Schubert, U.; Bett, A.W. | Journal Article |
| 2000 | New 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 |
| 2000 | Procedures for evaluating multijunction concentrators
Emery, K.; Moriarty, T.; Kurtz, S.; Meusel, M.; Beckert, R.; Dimroth, F.; Bett, A.W.; Warta, W. | Conference Paper |
| 2000 | Progress 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 |
| 2000 | Radiation 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 |
| 2000 | Radiation 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 |
| 2000 | Radiation 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 |
| 2000 | Radiation 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 |
| 2000 | Recent progress in the development of III-V solar and thermophotovoltaic cells
Dimroth, F.; Sulima, O.V.; Bett, A.W. | Journal Article |
| 2000 | Thermophotovoltaic cells on zinc diffused poly-crystalline GaSb
Sulima, O.V.; Bett, A.W.; Dutta, P.S.; Ehsani, H.; Gutmann, R.J. | Conference Paper |
| 1999 | Development of GaInP/GaAs tandem solar cells on GaAs and germanium substrates
Dimroth, F.; Lanyi, P.; Schubert, U.; Bett, A.W. | Conference Paper |
| 1999 | III-V Compounds for solar cell Applications
Bett, A.W.; Dimroth, F.; Stollwerck, G.; Sulima, O.V. | Journal Article |
| 1999 | Pseudo-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 |
| 1998 | Highest efficiency GaAs/GaSb tandem concentrator module
Bett, A.W.; Stollwerk, G.; Sulima, O.V.; Wettling, W. | Conference Paper |
| 1997 | Simplification of process technology for high-efficiency solar cells
Bett, A.W.; Glunz, S.W.; Knobloch, J.; Schindler, J.; Wettling, W. | Conference Paper |
| 1996 | Herstellung 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 |
| 1996 | High-efficiency Dünnschicht- und Konzentrator-Solarzellen aus Galliumarsenid: Abschlußbericht des Forschungsvorhabens
Bett, A.W.; Wettling, W. ; Fraunhofer-Institut für Solare Energiesysteme -ISE-, Freiburg/Brsg. | Report |
| 1996 | Simulation und Entwicklung von GaSb-Solarzellen mit hohem Wirkungsgrad
Stollwerck, G.; Sulima, O.V.; Bett, A.W.; Keser, S.; Baldus, A. | Conference Paper |
| 1996 | Transmissionline-Messungen und ihre Übertragbarkeit auf Solarzellen
Blug, A.; Stollwerck, G.; Blieske, U.; Bett, A.W. | Conference Paper |
| 1996 | Zn-Diffusion für eine GaSb-Photovoltaikzelle
Bett, A.W.; Keser, S.; Stollwerck, G.; Sulima, O.V. | Conference Paper |
| 1995 | Etchback-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 |
| 1995 | Etchback-regrowth process for AlGaAs/GaAs solar cell structures
Baldus, A.; Blieske, U.; Sulima, O.; Wettling, W.; Bett, A.W. | Conference Paper |
| 1995 | GaAs/Si Heteroepitaxie mittels LPE/MOCVD
Baldus, A.; Bett, A.W.; Blieske, U.; Duong, T.; Sulima, O.V.; Wettling, W. | Abstract |
| 1995 | Investigations of GaAs growth from Bi-based melts of solar cells
Baldus, A.; Sulima, O.; Wettling, W.; Bett, A.W. | Conference Paper |
| 1995 | Konzentratormodule als Alternative zu Flachmodulen bei Hochleistungsanwendung
Bett, A.W.; Mohring, H.D. | Conference Paper |
| 1995 | Optimierung von GaAs-Sz für die Tandem-Konzentrator-Anwendung
Blieske, U.; Baldus, A.; Blug, A.; Bett, A.W.; Schumacher, J.; Sterk, S. | Abstract |
| 1995 | Verringerung 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 |
| 1994 | AlGaAs/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 |
| 1994 | AlGaAs/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 |
| 1994 | GaAS 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 |
| 1994 | LPE-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 |
| 1994 | Optimization of GaAs solar cells for application in concentrator modules
Blieske, U.; Duong, T.; Schetter, C.; Sulima, O.; Bett, A.W. | Conference Paper |
| 1994 | Selective 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 |
| 1993 | High-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 |
| 1993 | Optimization 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 |
| 1992 | GaAs-on-Si solar cell structures grown by MBE and LPE
Borgwarth, K.; Sulima, O.V.; Wettling, W.; Schetter, C.; Bett, A.W. | Conference Paper |
| 1991 | Investigations of emitter characteristics of LPE GaAs solar cells
Welter, H.; Ehrhardt, A.; Wettling, W.; Bett, A.W. | Conference Paper |
| 1991 | Optimization of LPE-grown high efficiency GaAs solar cells
Cardona, S.; Ehrhardt, A.; Lutz, F.; Welter, H.; Wettling, W.; Bett, A.W. | Conference Paper |
| 1991 | Transient photoluminescence decay study of minority carrier lifetime in GaAs heteroface solar cell structures
Ehrhardt, A.; Wettling, W.; Bett, A.W. | Journal Article |
| 1990 | Dünnschichtsolarzellen 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 |
| 1990 | Transient photoluminescence decay investigations of LPE GaAs heteroface solar cells
Ehrhardt, A.; Lutz, F.; Wettling, W.; Bett, A.W. | Conference Paper |
| 1990 | Zur Abschätzung von Schichtdicke und Versetzungsdichte bei der Heteroepitaxie mittels Rockingkurvenmessungen
Lanyi, P.; Yavas, O.; Bronner, W.; Bett, A.W. | Conference Paper |
| 1989 | High efficiency isothermal LPE grown GaAs solar cells with high fill factor
Lutz, F.; Nguyen, T.; Wettling, W.; Bett, A.W. | Conference Paper |
| 1989 | Homogeneity 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 |
| 1988 | Die Bedeutung der GaAlAs-Schicht für die GaAs-Solarzelle
Nguyen, T.; Lutz, F.; Bett, A.W. | Abstract |
| 1988 | Homogeneity of the local carrier lifetime in GaAs solar cells
Lutz, F.; Louis, T.; Leo, K.; Bett, A.W. | Conference Paper |
Fraunhofer Institute for Solar Energy Systems ISE