Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Comprehensive Electrical Loss Analysis of Monolithic Interconnected Multi-Segment Laser Power Converters
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2019Development of Back Side Technology for Light Trapping and Photon Recycling in GaAs Solar Cells
Micha, D.; Höhn, O.; Oliva, E.; Klinger, V.; Bett, A.; Dimroth, F.
Journal Article
2019Measurement of the Non-radiative Minority Recombination Lifetime and the Effective Radiative Recombination Coefficient in GaAs
Niemeyer, M.; Kleinschmidt, P.; Walker, A.W.; Mundt, L.E.; Timm, C.; Lang, R.; Hannappel, T.; Lackner, D.
Journal Article
2019Single- and Dual-variant Atomic Ordering in GaAsP Compositionally Graded Buffers on GaP and Si Substrates
France, R.M.; Feifel, Markus; Belz, J.; Beyer, A.; Volz, K.; Ohlmann, Jens; Lackner, David; Dimroth, Frank
Journal Article
2019Thermal Analysis of Passively Cooled Hybrid CPV Module Using Si Cell as Heat Distributor
Martinez, J.; Steiner, M.; Wiesenfarth, M.; Glunz, S.W.; Dimroth, F.
Journal Article
201819.9%-Efficient Ultrathin GaAs Solar Cells with Nanostructured Back Mirror for Multi-Resonant Absorption and Enhanced Luminescence Extraction
Chen, H.; Cattoni, A.; Lepinau, R. de; Walker, A.; Hoehn, O.; Lackner, D.; Siefer, G.; Vandamme, N.; Goffard, J.; Behagehel, B.; Dupuis, C.; Bardou, N.; Dimroth, F.; Collin, S.
Presentation
2018Combining photon recycling and concentrated illumination in a GaAs heterojunction solar cell
Schilling, C.; Höhn, O.; Micha, D.N.; Heckelmann, S.; Klinger, V.; Oliva, E.; Glunz, S.W.; Dimroth, F.
Journal Article
2018Direct growth of III–V/silicon triple-junction solar cells with 19.7% efficiency
Feifel, Markus; Ohlmann, Jens; Benick, Jan; Hermle, Martin; Belz, Jürgen; Beyer, Andreas; Volz, Kerstin; Hannappel, Thomas; Bett, Andreas W.; Lackner, David; Dimroth, Frank
Journal Article
2018Exploring New Convergences between PV Technologies for High Efficiency Tandem Solar Cells
Lincot, D.; Barreau, N.; Ben Slimane, A.; Bidaud, T.; Collin, S.; Feifel, M.; Dimroth, F.; Balestrieri, M.; Coutancier, D.; Béchu, S.; Bouttemy, M.; Etcheberry, A.; Durand, O.; Pinault-Thaury, M.A.; Jomard, F.
Conference Paper
2018Extracting nonradiative parameters in III-V semiconductors using double-heterostructures on active p-n junctions
Walker, Alexandre W.; Schön, Jonas; Dimroth, Frank
Journal Article
2018Hall characterization of epitaxial GaSb and AlGaAsSb layers using p-n junctions on GaSb substrates
Predan, F.; Ohlmann, J.; Mrabet, S.; Dimroth, F.; Lackner, D.
Journal Article
2018High-speed quantum efficiency determination of multijunction solar cells
Missbach, T.; Dengler, S.A.; Siefer, G.; Bett, A.W.
Journal Article
2018III-V-on-silicon solar cells reaching 33% photoconversion efficiency in two-terminal configuration
Cariou, Romain; Benick, Jan; Feldmann, Frank; Höhn, Oliver; Hauser, Hubert; Beutel, Paul; Razek, Nasser; Wimplinger, Markus; Bläsi, Benedikt; Lackner, David; Hermle, Martin; Siefer, Gerald; Glunz, Stefan W.; Bett, Andreas W.; Dimroth, Frank
Journal Article
2018Luminescent Coupling in Multi-Junction Photovoltaic Devices Studied by Transient Voltage Measurements
Tayagaki, T.; Reichmuth, S.K.; Helmers, H.; Siefer, G.
Presentation
2018On the influence of the photo-induced leakage current in monolithically interconnected modules
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2018Optimization of GaAs solar cell performance and growth efficiency at MOVPE growth rates of 100 μm/h
Lang, Robin; Schön, Jonas; Dimroth, Frank; Lackner, David
Journal Article
2018Potential analysis of a rear-side passivation for multi-junction space solar cells based on germanium substrates
Weiss, Charlotte; Schön, Jonas; Höhn, Oliver; Mohr, Christian; Kurstjens, Rufi; Boizot, Bruno; Janz, Stefan
Conference Paper
2018Towards nanowire tandem junction solar cells on silicon
Borgström, M.T.; Magnusson, M.H.; Dimroth, F.; Siefer, G.; Höhn, O.; Riel, H.; Schmid, H.; Wirths, S.; Björk, M.; Aberg, I.; Peijnenburg, W.; Vijver, M.; Tchernycheva, M.; Piazza, V.; Samuelson, L.
Journal Article
2018Trends in Solar Electricity
Bett, A.W.
Presentation
2017Amorphous silicon carbide rear-side passivation and reflector layer stacks for multi-junction space solar cells based on germanium sustrates
Janz, Stefan; Weiss, Charlotte; Mohr, Christian; Kurstjens, Rufi; Boizot, Bruno; Fuhrmann, Bianca; Khorenko, Victor
Conference Paper
2017Effects of thermal annealing on structural and electrical properties of surface-activated n-GaSb/n-GaInP direct wafer bonds
Predan, F.; Kovacs, A.; Ohlmann, J.; Lackner, D.; Dunin-Borkowsi, R.E.; Dimroth, F.; Jäger, W.
Journal Article
2017GaInP/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, Conference Paper
2017High-temperature electric contacts for AlGaInP/GaInP photon-enhanced thermionic emisson cathodes
Girolami, M.; Bellucci, A.; Calvani, P.; Dimroth, F.; Trucchi, D.
Journal Article
2017III-V solar cells - materials, multi-junction cells - cell design and performance
Dimroth, F.
Book Article
2017Material quality frontiers of MOVPE grown AIGaAs for minority carrier devices
Heckelmann, S.; Lackner, D.; Dimroth, F.; Bett, A.W.
Journal Article, Conference Paper
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
2017Minority carrier diffusion length, lifetime and mobility in p-type GaAs and GaInAs
Niemeyer, Markus; Ohlmann, Jens; Walker, Alexandre; Kleinschmidt, Peter; Lang, Robin; Hannappel, Thomas; Dimroth, Frank; Lackner, David
Journal Article
2017On the benchmarking of multi-junction photoelectrochemical fuel generating devices
May, M.M.; Lackner, D.; Ohlmann, J.; Dimroth, F.; Krol, R. van de; Hannappel, T.; Schwarzburg, K.
Journal Article
2017Oxygen Incorporation into Si Nanocrystal/SiC Multilayers
Weiss, C.; Reichert, A.; Hofmann, J.; Janz, S.
Conference Paper
2017Performance and failure analysis of concentrator solar cells after intensive stressing with thermal, electrical, and combined load
Eltermann, F.; Ziegler, L.; Wiesenfarth, M.; Wilde, J.; Bett, A.W.
Conference Paper
2017Radiation hardness of AlGaAs n-i-p solar cells with higher bandgap intrinsic region
Walker, A.; Heckelmann, S.; Tibbits, T.; Lackner, D.; Bett, A.W.; Dimroth, F.
Journal Article
2017Reliable and lightning-safe monitoring of wind turbine rotor blades using optically powered sensors
Worms, K.; Klamouris, C.; Wegh, F.; Meder, L.; Volkmer, D.; Philipps, S.P.; Reichmuth, S.K.; Helmers, H.; Kunadt, A.; Vourvoulakis, J.; Bett, A.W.; Koos, C.; Freude, W.; Leuthold, J.; Stork, W.
Journal Article
2017Research on multi-junction solar cells at Fraunhofer ISE
Bett, A.W.; Beutel, P.; Cariou, R.; Feifel, M.; Heckelmann, S.; Hoehn, O.; Klinger, V.; Lackner, D.; Niemeyer, M.; Ohlmann, J.; Oliva, E.; Predan, F.; Siefer, G.; Dimroth, F.
Presentation
2017Subcell characterization in multijunction solar cells using pulsed light
Rutzinger, M.; Salzberger, M.; Nesswetter, H.; Lackner, D.; Bett, A.W.; Lugli, P.; Zimmermann, C.G.
Journal Article
201643 % direct sunlight conversion efficiency using 4J cell with achromatic full glass lens
Steiner, M.; Siefer, G.; Schmidt, T.; Wiesenfarth, M.; Dimroth, F.; Bett, A.W.
Conference Paper
201643% sunlight to electricity conversion efficiency using CPV
Steiner, M.; Siefer, G.; Schmidt, T.; Wiesenfarth, M.; Dimroth, F.; Bett, A.W.
Journal Article
2016CPVMatch - concentrating photovoltaic modules using advanced technologies and cells for highest efficiencies
Philipps, S.P.; Baudrit, M.; Hillerich, K.; Moreau, V.; Parmesani, R.; Román, E.; Sala, G.; Schineller, B.; Timo, G.; Bett, A.W.
Conference Paper
2016CPVMatch - Concentrating Photovoltaic modules using advanced technologies and cells for highest efficiencies
Philipps, S.P.; Baudrid, M.; Hillerich, K.; Moreau, V.; Parmesani, R.; Sala, G.; Schineller, B.; Bett, A.W.
Presentation
2016Determination of subcell 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 solar cells
Dimroth, Frank; Tibbits, Thomas N.D.; Niemeyer, Markus; Predan, Felix; Beutel, Paul; Karcher, Christian; Oliva, Eduard; Siefer, Gerald; Lackner, David; Fuß-Kailuweit, Peter; Bett, Andreas; Krause, Rainer; Drazek, Charlotte; Guiot, Eric; Wasselin, Jocelyne; Tauzin, Aurélie; Signamarcheix, Thomas
Journal Article
2016Frequency-division-multiplex-based quantum efficiency determination of solar cells
Mißbach, T.; Karcher, C.; Siefer, G.
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
2016Highly efficient solar hydrogen generation - an integrated concept with III-V solar cells and PEM electrolysis cells
Fallisch, A.; Förster, P.; Ohlmann, J.; Smolinka, T.; Zedda, M.
Presentation
2016III-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
2016Influence of Very Efficient Back Reflectors on the Quantum Efficiency of Solar Cells
Micha, D.N.; Walker, A.; Siefer, G.; Dimroth, F.; Bett, A.W.
Conference Paper
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
2016Photovoltaics with Highest Efficiencies
Bett, A.
Presentation
2016Rating 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
2016Recent Development in Direct Generation of Hydrogen Using Multi-Junction Solar Cells
Ohlmann, J.; Martínez, Juan F.; Lackner, D.; Förster, P.; Steiner, M.; Fallisch, A.; Dimroth, F.
Conference Paper
2016A sensitivity analysis of the stepwise measurement procedure for the characterization of large area PV modules
Rapp, C.; Steiner, M.; Siefer, G.; Bett, A.W.
Journal Article
2016Transient I-V Measurement Set-up for Photovoltaic Laser Power Converters under Monochromatic Irradiance
Reichmuth, S.K.; Helmers, H.; Garza, C.E.; Vahle, D.; Boer, M. de; Stevens, L.; Mundus, M.; Helmers, H.; Bett, A.W.; Siefer, G.
Conference Paper
2015Challenges and perspectives of CPV technology
Bett, A.W.
Presentation