Fraunhofer ISE

YearTitle/AuthorDocument Type
2017Mesa 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
2017On the alignment tolerance of photovoltaic laser power converters
Wagner, L.; Bett, A.W.; Helmers, H.
Journal Article
2017On the temperature dependence of dual-junction laser power converters
Reichmuth, S.K.; Helmers, H.; Philipps, S.P.; Schachtner, M.; Siefer, G.; Bett, A.W.
Journal Article
Fulltext
2017Reliable and lightning-safe monitoring of wind turbine rotor blades using optically powered sensors
Worms, K.; Klamouris, C.; Wegh, F.; Meder, L.; Volkmer, D.; Philipps, S.P.; Reichmuth, S.K.; Helmers, H.; Kunadt, A.; Vourvoulakis, J.; Bett, A.W.; Koos, C.; Freude, W.; Leuthold, J.; Stork, W.
Journal Article
201643% sunlight to electricity conversion efficiency using CPV
Steiner, M.; Siefer, G.; Schmidt, T.; Wiesenfarth, M.; Dimroth, F.; Bett, A.W.
Journal Article
2016Determination of subcell open circuit voltages and Iph–Voc curves in multijunction solar cells by sequentially pulsed, monochromatic illumination
Rutzinger, M.; Nesswetter, H.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Journal Article
2016Direct 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
2016Four-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
2016Frequency-division-multiplex-based quantum efficiency determination of solar cells
Mißbach, T.; Karcher, C.; Siefer, G.
Journal Article
2016GaInP/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
2016Gallium 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
2016Improved in situ performance testing of line-concentrating solar collectors: Comprehensive uncertainty analysis for the selection of measurement instrumentation
Zirkel-Hofer, A.; Perry, S.; Fahr, S.; Kramer, K.; Heimsath, A.; Scholl, S.; Platzer, W.
Journal Article
2016Minority carrier recombination of ordered Ga0.51In0.49P at high temperatures
Dagan, R.; Rosenwaks, Y.; Kribus, A.; Walker, A.; Ohlmann, J.; Dimroth, F.
Journal Article
2016Nanoparticle 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
2016Nonradiative lifetime extraction using power-dependent relative photoluminescense of III-V semiconductor double-heterostructures
Walker, A.W.; Heckelmann, S.; Karcher, C.; Höhn, O.; Went, C.; Niemeyer, M.; Bett, A.W.; Lackner, D.
Journal Article
2016Optimal laser wavelength for efficient laser power converter operation over temperature
Höhn, O.; Walker, A.W.; Bett, A.W.; Helmers, H.
Journal Article
2016A sensitivity analysis of the stepwise measurement procedure for the characterization of large area PV modules
Rapp, C.; Steiner, M.; Siefer, G.; Bett, A.W.
Journal Article
Fulltext
2016Slope-deviation measurement of Fresnel-shaped mold surfaces
Kiefel, P.; Hornung, T.; Nitz, P.; Reinecke, H.
Journal Article
2016Temperature and injection current dependent electroluminescence for evaluation of single-junction single-segment GaAs laser power converter
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2015Calibration function for an experimental setup for the measurement of irradiance distributions via a transmitting diffuser
Schmid, T.; Hornung, T.; Nitz, P.
Journal Article
2015Development 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
2015Effects of angular confinement and concentration to realistic solar cells
Höhn, O.; Kraus, T.; Schwarz, U.T.; Bläsi, B.
Journal Article
2015Efficient 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
2015Energy level of the Si-related DX-center in (AlyGa1-y)1-xInxAs
Heckelmann, S.; Lackner, D.; Bett, A.W.
Journal Article
2015FLATCON® CPV-module with 36.7% efficiency equipped with four-junction solar cells
Steiner, M.; Bösch, A.; Dilger, A.; Dimroth, F.; Dörsam, T.; Muller, M.; Hornung, T.; Siefer, G.; Wiesenfarth, M.; Bett, A.W.
Journal Article
2015Frequency division multiple-based light spectroscopy
Mißbach, T.; Karcher, C.; Siefer, G.; Bett, A.W.
Journal Article
2015A high-efficiency hybrid high-concentration photovoltaic system
Zimmermann, S.; Helmers, H.; Tiwari, M.K.; Paredes, S.; Michel, B.; Wiesenfarth, M.; Bett, A.W.; Poulikakos, D.
Journal Article
2015Investigations on AlxGa1-xAs solar cells grown by MOVPE
Heckelmann, S.; Lackner, D.; Karcher, C.; Dimroth, F.; Bett, A.W.
Journal Article
Fulltext
2015Optical Investigation of a Sun Simulator for Concentrator PV Applications
Rapp, C.; Straub. V.; Rooyen, D.W. van; Thor, W. Y.; Siefer, G.; Bett, A.W.
Journal Article
2015Silicone on glass fresnel lenses
Hornung, T.
Book Article
2015Solarenergie zur Stromerzeugung
Kiefer, K.
Book Article
2015Stepwise measurement procedure for the characterization of large-area photovoltaic modules
Rapp, C.; Steiner, M.; Siefer, G.; Bett, A.W.
Journal Article
2015Translating outdoor CPV I-V measurements to a CSTC power rating and the associated uncertainty
Muller, M.; Kurtz, S.; Steiner, M.; Siefer, G.
Journal Article
2015Transparent 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
Fulltext
2015Wafer-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
2015YieldOpt, a model to predict the power output and energy yield for concentrating photovoltaic modules
Steiner, M.; Siefer, G.; Hornung, T.; Peharz, G.; Bett, A.W.
Journal Article
2014Analysis of temperature coefficients for III-V multi-junction concentrator cells
Siefer, G.; Bett, A.W.
Journal Article
2014Analytical modeling of industrial-related silicon solar cells
Fellmeth, T.; Clement, F.; Biro, D.
Journal Article
Fulltext
2014Comparison 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
2014III-V multi-junction solar cells
Philipps, S.P.; Bett, A.W.
Book Article
2014III-V multi-junction solar cells and concentrating photovoltaic (CPV) systems
Philipps, S.P.; Bett, A.W.
Journal Article
2014InGaAs/GaAsP strain balanced multi-quantum wires grown on misoriented GaAs substrates for high efficiency solar cells
Alonso-Álvarez, D.; Thomas, T.; Führer, M.; Hylton, N.P.; Ekins-Daukes, N.; Lackner, D.; Philipps, S.P.; Bett, A.W.; Sodabanlu, H.; Fujii, H.; Watanabe, K.; Sugiyama, M.; Nasi, L.; Campanini, M.
Journal Article
2014An investigation of solar cell interconnection schemes within CPV modules using a validated temperature-dependent SPICE network model
Steiner, M.; Siefer, G.; Bett, A.W.
Journal Article
2014Light diffraction by concentrator Fresnel lenses
Hornung, T.; Nitz, P.
Journal Article
Fulltext
2014Maximal power output by solar cells with angular confinement
Höhn, O.; Kraus, T.; Bauhuis, G.; Schwarz, U.T.; Bläsi, B.
Journal Article
Fulltext
2014Modeling of concentrating photovoltaic and thermal systems
Helmers, H.; Bett, A.W.; Parisi, J.; Agert, C.
Journal Article
2014Power by light: Optical power transmission replaces copper wiring
Henning, H.
Journal Article
2014PVShade® - Winkelselektive Photovoltaik-Verglasung: Funktionales Fassadendesign mit hochwertiger Optik
Wilson, H.; Fath, K.; Sprenger, W.; Kuhn, T.E.
Journal Article
2014Spectral sensitivity of hot carrier solar cells
Hirst, L.C.; Lumb, M.P.; Hoheisel, R.; Philipps, S.P.; Bett, A.W.; Walters, R.J.; Bailey, C.G.
Journal Article
2014SPICE network simulation to calculate thermal runaway in III-V solar cells in CPV modules
Steiner, M.; Siefer, G.; Bett, A.W.
Journal Article
2014Wafer bonded four-junction GaInP/GaAa/GaInAsP/GaInAs concentrator solar cells with 44.7% efficiency
Dimroth, F.; Grave, M.; Beutel, P.; Fiedeler, U.; Karcher, C.; Tibbits, T.N.D.; Oliva, E.; Siefer, G.; Schachtner, M.; Wekkeli, A.; Bett, A.W.; Krause, R.; Piccin, M.; Drazek, C.; Guiot, E.; Ghyselen, B.; Salvetat, T.; Tauzin, A.; Signamarcheix, T.; Dobrich, A.; Hannappel, T.; Schwarzburg, K.; Blanc, N.
Journal Article
2013Aberration-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
2013Annealing of nm-thin Si1-xCx/SiC multilayers
Künle, M.; Janz, S.; Nickel, K.G.; Heidt, A.; Luysberg, M.; Eibl, O.
Journal Article
2013Bandgap determination based on electrical quantum efficiency
Helmers, H.; Karcher, C.; Bett, A.W.
Journal Article
2013Defect annealing processes for polycrystalline silicon thin-film solar cells
Steffens, S.; Becker, C.; Zollondz, J.-H.; Chowdhury, A.; Slaoui, A.; Lindekugel, S.; Schubert, U.; Evans, R.; Rech, B.
Journal Article
2013Defect formation and strain relaxation in graded GaPAs/GaAs, GaNAs/GaAs and GaInNAs/Ge buffer systems for high-efficiency solar cells
Schöne, J.; Spiecker, E.; Dimroth, F.; Bett, A.W.; Jäger, W.
Journal Article
2013Determination of hardness and Young's modulus for important III-V compound semiconductors
Klinger, V.; Roesener, T.; Lorenz, G.; Petzold, M.; Dimroth, F.
Journal Article
2013Electroluminescence analysis of irradiated GaInP/GaInAs/Ge space solar cells
Hoheisel, R.; Dimroth, F.; Bett, A.W.; Messenger, S.R.; Jenkins, P.P.; Walters, R.J.
Conference Paper
2013Electroluminescence and photoluminescence characterization of multijunction solar cells
Nesswetter, H.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Journal Article
Fulltext
2013Fabrication 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
Fulltext
2013Fast atom beam activated wafer bonds between n-Si and n-GaAs with low resistance
Essig, S.; Dimroth, F.
Journal Article
2013Fast atom beam-activated n-Si/n-GaAs wafer bonding with high interfacial transparency and electrical conductivity
Essig, S.; Moutanabbir, O.; Wekkeli, A.; Nahme, H.; Oliva, E.; Bett, A.W.; Dimroth, F.
Journal Article
Fulltext
2013Influence of temperature and irradiance on triple-junction solar subcells
Helmers, H.; Schachtner, M.; Bett, A.W.
Journal Article
2013InP 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
2013Ko-Generation von Elektrizität und Wärme aus konzentriertem Sonnenlicht: Überblick über Technologie und Anwendungen
Helmers, H.
Book Article
2013Luminescence based series resistance mapping of III-V multijunction solar cells
Nesswetter, H.; Dyck, W.; Lugli, P.; Bett, A.W.; Zimmermann, C.G.
Journal Article
2013Multi-linear performance model for hybrid (C)PVT solar collectors
Helmers, H.; Kramer, K.
Journal Article
2013Optical analysis of deviations in a concentrating photovoltaics central receiver system with a flux homogenizer
Helmers, H.; Thor, W.Y.; Schmidt, T.; Rooyen, D.W. van; Bett, A.W.
Journal Article
2013Photovoltaik - Überblick über Markt, Technologien und Herausforderungen
Philipps, S.P.
Book Article
2013Realization 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
2013Stromnetze und Stromspeicher - Bausteine für den Umbau des Stromsystems für erneuerbare Energien
Philipps, S.P.
Book Article
2012Einbinden der Erneuerbaren in das Energiesystem
Bett, A.W.; Philipps, S.P.
Journal Article
2012Estimation of the influence of Fresnel lens temperature on energy generation of a concentrator photovoltaic system
Hornung, T.; Steiner, M.; Nitz, P.
Journal Article
2012Experimental analysis of majority carrier transport processes at heterointerfaces in photovoltaic devices
Hoheisel, R.; Bett, A.W.
Journal Article
2012Numerical simulations of absorption properties of InP nanowires for solar cell applications
Kailuweit, P.; Peters, M.; Leene, J.; Mergenthaler, K.; Dimroth, F.; Bett, A.W.
Journal Article
2012Present Status in the Development of II-V Multi-Junction Solar Cells
Philipps, S.; Guter, W.; Welser, E.; Schöne, J.; Steiner, M.; Dimroth, F.; Bett, A.W.
Book Article
2012A validated SPICE network simulation study on improving tunnel diodes by introducing lateral conduction layers
Steiner, M.; Guter, W.; Peharz, G.; Philipps, S.P.; Dimroth, F.; Bett, A.W.
Journal Article
Fulltext
2012Value generation of future CSP projects in North Africa
Kost, C.; Engelken, M.; Schlegl, T.
Journal Article
2011Determination of the subcell photovoltage in multijunction solar cells via voltage-dependent capacitance analysis
Hoheisel, R.; Schachtner, M.; Stämmler, E.; Bett, A.W.
Journal Article
2011Electroluminescence Exposes Individual Performances in Multi-Junction Cells
Hoheisel, R.; Rönsch, S.; Dimroth, F.; Bett, A.W.; Nesswetter, H.; Zimmermann, C.G.
Journal Article
Fulltext
2011Four-junction spectral beam-splitting photovoltaic receiver with high optical efficiency
Mitchell, B.; Peharz, G.; Siefer, G.; Peters, M.; Gandy, T.; Goldschmidt, J.C.; Benick, J.; Glunz, S.W.; Bett, A.W.; Dimroth, F.
Journal Article
2011Fruitful symbiosis: Why an export bundled with wind energy is the most feasible option for North African concentrated solar power
Kost, C.; Pfluger, B.; Eichhammer, W.; Ragwitz, M.
Journal Article
2011III-V Multi-Junction Solar Cells and Concentrating Optics A Perfect Match for Highest Efficiencies
Bett, A.
Journal Article
2011Investigations on the temperature dependence of CPV modules equipped with triple-junction solar cell
Peharz, G.; Ferrer Rodriguez, J.P.; Siefer, G.; Bett, A.W.
Journal Article
2011A method for using CPV modules as temperature sensors and its application to rating procedures
Peharz, G.; Ferrer Rodriguez, J.P.; Siefer, G.; Bett, A.W.
Journal Article
2011Reflective secondary optical elements for fresnel lens based concentrator modules
Jaus, J.; Bett, A.W.; Reinecke, H.; Weber, E.R.
Journal Article
2011Subcell I-V characteristic analysis of GaInP/GaInAs/Ge solar cells using electroluminescence measurements
Rönsch, S.; Hoheisel, R.; Dimroth, F.; Bett, A.W.
Journal Article
2011Validated front contact grid simulation for GaAs solar cells under concentrated sunlight
Steiner, M.; Philipps, S.P.; Hermle, M.; Bett, A.W.; Dimroth, F.
Journal Article
2010Energy harvesting efficiency of III-V triple-junction concentrator solar cells under realistic spectral conditions
Philipps, S.P.; Peharz, G.; Hoheisel, R.; Hornung, T.; Al-Abbadi, N.M.; Dimroth, F.; Bett, A.W.
Journal Article
2010Investigation of radiation hardness of germanium photovoltaic cells
Hoheisel, R.; Fernandez, J.; Dimroth, F.; Bett, A.W.
Journal Article
2010Long-term energy production of III-V triple-junction solar cells on the Martian surface
Hoheisel, R.; Philipps, S.P.; Bett, A.W.
Journal Article
2010Microstructured polymer surfaces with complex optical functions for solar applications
Bläsi, B.; Gombert, A.; Niggemann, M.
Book Article
2010Online process control of alkaline texturing baths with near-infrared spectroscopy
Zimmer, M.; Birmann, K.; Rentsch, J.
Journal Article
2010Photoreflectance analysis of a GaInP/GaInAs/Ge multijunction solar cell
Cánovas, E.; Fuertes Marrón, D.; Marti, A.; Luque, A.; Bett, A.W.; Dimroth, F.; Philipps, S.P.
Journal Article
2010Processing techniques for monolithic interconnection of solar cells at wafer level
Helmers, H.; Olivia, E.; Bronner, W.; Dimroth, F.; Bett, A.W.
Journal Article
2009High-voltage GaAs photovoltaic laser power converters
Schubert, J.; Oliva, E.; Dimroth, F.; Guter, W.; Löckenhoff, R.; Bett, A.W.
Journal Article
2009III-V multi-junction solar cells - Simulation and experimental realization
Philipps, S.P.; Guter, W.; Steiner, M.; Oliva, E.; Siefer, G.; Weiser, E.; George, B.M.; Hermle, M.; Dimroth, F.; Bett, A.W.
Journal Article
Fulltext