| Year | Title/Author | Document Type |
| 2017 | GaInP/AlGaAs metal-wrap-through tandem concentrator solar cells
Oliva, E.; Salvetat, T.; Jany, C.; Thibon, R.; Helmers, H.; Steiner, M.; Schachtner, M.; Beutel, P.; Klinger, V.; Moulet, J.-S.; Dimroth, F. | Journal Article |
| 2017 | Mesa Separation of GaInP Solar Cells by Picosecond Laser Ablation
Weber, J.; Klinger, V.; Brand, A.; Gutscher, S.; Wekkeli, A.; Mondon, A.; Oliva, E.; Dimroth, F. | Journal Article |
| 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 | 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, S.P.; Baudrid, M.; Hillerich, K.; Moreau, V.; Parmesani, R.; Sala, G.; Schineller, B.; Bett, A.W. | Presentation
|
| 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 | Direct wafer bonding of highly conductive GaSb/GaInAs and GaSb/GaInP heterojunctions prepared by argon-beam surface activation
Predan, F.; Reinwand, D.; Cariou, R.; Niemeyer, M.; Dimroth, F. | Journal Article
|
| 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 | Frequency-division-multiplex-based quantum efficiency determination of solar cells
Mißbach, T.; Karcher, C.; Siefer, G. | Journal Article |
| 2016 | Gallium phosphide window layer for silicon solar cells
Feifel, M.; Rachow, T.; Benick, J.; Ohlmann, J.; Janz, S.; Hermle, M.; Dimroth, F.; Lackner, D. | Journal Article |
| 2016 | III-V multi-junction Metal-Wrap-Through (MWT) concentrator solar cells
Oliva, E.; Salvetat, T.; Jany, C.; Thibon, R.; Helmers, H.; Steiner, M.; Schachtner, M.; Beutel, P.; Klinger, V.; Moulet, J.; Dimroth, F. | Conference Paper
|
| 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 | Minority carrier recombination of ordered Ga0.51In0.49P at high temperatures
Dagan, R.; Rosenwaks, Y.; Kribus, A.; Walker, A.; Ohlmann, J.; Dimroth, F. | Journal Article |
| 2016 | Nanoparticle Scattering for Multijunction Solar Cells: The Tradeoff between Absorption Enhancement and Transmission Loss
Mellor, A.; Hylton, N.P.; Hauser, H.; Thomas, T.; Lee, K.-H.; Al-Saleh, Y.; Giannini, V.; Braun, A.; Loo, J.; Vercruysse, D.; Van Dorpe, P.; Blasi, B.; Maier, S.A.; Ekins-Daukes, N.J. | Journal Article |
| 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 | Photovoltaics with Highest Efficiencies: Presentation at the E-MRS 2016 Spring Meeting 2016, Lille, France, 05.05.2016-05.05.2016
Bett, A. | Presentation
|
| 2016 | Rating of CPV modules: Results of module round robins
Steiner, Marc; Siefer, Gerald; Baudrit, Mathieu; Askins, Stephen; Domínguez, César; Antón, Ignacio; Roca, Francesco; Fucci, Raffaele; Cancro, Carmine; Romano, Antonio; Graditi, Giorgio; Pugliatti, Paola Maria; Stefano, Agnese di; Kenny, Robert; Norton, Matthew; Minuto, Alessandro; Morabito, Paolo; Muller, Matthew; Riley, Daniel; Pratt, Larry | Conference Paper
|
| 2016 | Recent Development in Direct Generation of Hydrogen Using Multi-Junction Solar Cells
Ohlmann, J.; Sanchez, J.M.; Lackner, D.; Förster, P.; Steiner, M.; Fallisch, A.; Dimroth, F. | 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 | 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 | 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 | Development of nanoimprint processes for photovoltaic applications
Hauser, H.; Tucher, N.; Tokai, K.; Schneider, P.; Wellens, C.; Volk, A.; Seitz, S.; Benick, J.; Barke, S.; Dimroth, F.; Müller, C.; Glinsner, T.; Bläsi, B. | Journal Article |
| 2015 | Development of NIL processes for PV applications
Hauser, H.; Tucher, N.; Tokai, K.; Schneider, P.; Wellens, C.; Volk, A.; Barke, S.; Müller, C.; Glinsner, T.; Bläsi, B. | Conference Paper |
| 2015 | Effects of angular confinement and concentration to realistic solar cells
Höhn, O.; Kraus, T.; Schwarz, U.T.; Bläsi, B. | Journal Article |
| 2015 | Efficient direct solar-to-hydrogen conversion by in situ interface transformation of a tandem structure
May, M.M.; Lewerenz, H.J.; Lackner, D.; Dimroth, F.; Hannappel, T. | 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 | Frequency division multiple-based light spectroscopy
Mißbach, T.; Karcher, C.; Siefer, G.; Bett, A.W. | 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 | Investigations on AlxGa1-xAs solar cells grown by MOVPE
Heckelmann, S.; Lackner, D.; Karcher, C.; Dimroth, F.; Bett, A.W. | Journal Article
|
| 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 | 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 | 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 | Translating outdoor CPV I-V measurements to a CSTC power rating and the associated uncertainty
Muller, M.; Kurtz, S.; Steiner, M.; Siefer, G. | Journal Article |
| 2015 | Transparent and electrically conductive GaSb/Si direct wafer bonding at low temperatures by argon-beam surface activation
Predan, F.; Reinwand, D.; Klinger, V.; Dimroth, F. | Journal Article
|
| 2015 | Wafer-bonded GaInP/GaAs//Si solar cells with 30% efficiency under concentrated sunlight
Essig, S.; Benick, J.; Schachtner, M.; Wekkeli, A.; Hermle, M.; Dimroth, F. | Journal Article |
| 2014 | Analysis of temperature coefficients for III-V multi-junction concentrator cells
Siefer, G.; Bett, A.W. | Journal Article |
| 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 | 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 | III-V Solarzellen für die optische Leistungsübertragung: Vortrag gehalten bei AG Optische Kommunikation meets AG Solartechnik, Freiburg, Germany, 21.03.2014
Helmers, Henning | Presentation
|
| 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 | 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 | Maximal power output by solar cells with angular confinement
Höhn, O.; Kraus, T.; Bauhuis, G.; Schwarz, U.T.; Bläsi, B. | 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 | The photonic solar cell. System design and efficiency estimations
Höhn, O.; Kraus, T.; Schwarz, U.T.; Bläsi, B. | 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 | Photovoltaic cells for optical power and data transmission: Presentation held at Forum Innovative Testing @ SENSOR+TEST 2014, Nürnberg, Germany, 04.06.2014
Helmers, H. | Presentation
|
| 2014 | Power by light: Optical power transmission replaces copper wiring
Henning, H. | Journal Article |
| 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 | 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 | Aberration-corrected transmission electron microscopy analyses of GaAs/Si interfaces in wafer-bonded multi-junction solar cells
Häussler, D.; Houben, L.; Essig, S.; Kurttepeli, M.; Dimroth, F.; Dunin-Borkowski, R.E.; Jäger, W. | Journal Article |
| 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 | Determination of hardness and Young's modulus for important III-V compound semiconductors
Klinger, V.; Roesener, T.; Lorenz, G.; Petzold, M.; Dimroth, F. | Journal Article |
| 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 | Fabrication of GaInP/GaAs//Si solar cells by surface activated direct wafer bonding
Derendorf, K.; Essig, S.; Oliva, E.; Klinger, V.; Roesener, T.; Philipps, S.P.; Benick, J.; Hermle, M.; Schachtner, M.; Siefer, G.; Jäger, W.; Dimroth, F. | Journal Article
|
| 2013 | Fast atom beam activated wafer bonds between n-Si and n-GaAs with low resistance
Essig, S.; Dimroth, F. | 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 | GaAs solar cells close to the thermodynamic limit
Höhn, O.; Kraus, T.; Bauhuis, G.; Schwarz, U.T.; Bläsi, B. | Conference Paper |
| 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 | InP nanowire array solar cells achieving 13.8% efficiency by exceeding the ray optics limit
Wallentin, J.; Anttu, N.; Asoli, D.; Huffman, M.; Aberg, I.; Magnusson, M.H.; Siefer, G.; Fuss-Kailuweit, P.; Dimroth, F.; Witzigmann, B.; Xu, H.Q.; Samuelson, L.; Deppert, K.; Borgström, M.T. | Journal Article |
| 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 | 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
|
| 2013 | Photonic band gap engineering of solar cells
Höhn, O.; Kraus, T.; Zilk, M.; Schwarz, U.T.; Bläsi, B. | Conference Paper
|
| 2013 | Photovoltaik - Überblick über Markt, Technologien und Herausforderungen
Philipps, S.P. | Book Article |
| 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
|
| 2013 | Photovoltaische Zellen zur optischen Leistungsübertragung: Vortrag gehalten beim Treffen der AG Optische Kommunikation 2013, Stuttgart, Germany, 22.11.2013
Helmers, H. | Presentation
|
| 2013 | Realization and characterization of thin single crystal Ge films on sapphire
Bogumilowicz, Y.; Abbadie, A.; Klinger, V.; Benaissa, L.; Gergaud, P.; Rouchon, D.; Maurois, C.; Lecouvey, C.; Blanc, N.; Charles-Alfred, C.; Drouin, A.; Ghyselen, B.; Wekkeli, A.; Dimroth, F.; Carron, V. | Journal Article |
| 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 | Stromnetze und Stromspeicher - Bausteine für den Umbau des Stromsystems für erneuerbare Energien
Philipps, S.P. | Book Article |
| 2013 | Temperature dependent electroluminescence and voltages of multi-junction solar cells
Karcher, C.; Helmers, H.; Schachtner, M.; Dimroth, F.; Bett, A.W. | Conference Paper |
Fraunhofer-Institut für Solare Energiesysteme ISE