Stefan Fischer
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Upconversion for Photovoltaics – a Review of Materials, Devices and Concepts for Performance Enhancement
JC Goldschmidt, S Fischer
Advanced Optical Materials 3 (4), 510-535, 2015
Encapsulation of perovskite nanocrystals into macroscale polymer matrices: enhanced stability and polarization
SN Raja, Y Bekenstein, MA Koc, S Fischer, D Zhang, L Lin, RO Ritchie, ...
ACS applied materials & interfaces 8 (51), 35523-35533, 2016
Enhancement of silicon solar cell efficiency by upconversion: Optical and electrical characterization
S Fischer, JC Goldschmidt, P Löper, GH Bauer, R Brüggemann, K Krämer, ...
Journal of applied physics 108 (4), 044912, 2010
Precise Tuning of Surface Quenching for Luminescence Enhancement in Core–Shell Lanthanide-Doped Nanocrystals
S Fischer, ND Bronstein, JK Swabeck, EM Chan, AP Alivisatos
Nano Letters 16 (11), 7241-7247, 2016
Highly Efficient IR to NIR Upconversion in Gd2O2S: Er3+ for Photovoltaic Applications
R Martín-Rodríguez, S Fischer, A Ivaturi, B Froehlich, KW Krämer, ...
Chemistry of Materials 25 (9), 1912-1921, 2013
Quantum yields, surface quenching, and passivation efficiency for ultrasmall core/shell upconverting nanoparticles
C Würth, S Fischer, B Grauel, AP Alivisatos, U Resch-Genger
Journal of the American Chemical Society 140 (14), 4922-4928, 2018
Optical nanoprobes for biomedical applications: shining a light on upconverting and near-infrared emitting nanoparticles for imaging, thermal sensing, and photodynamic therapy
E Hemmer, P Acosta-Mora, J Mendez-Ramos, S Fischer
Journal of Materials Chemistry B 5 (23), 4365-4392, 2017
Plasmon enhanced upconversion luminescence near gold nanoparticles – simulation and analysis of the interactions: Errata
S Fischer, F Hallermann, T Eichelkraut, G von Plessen, KW Krämer, ...
Optics Express 21 (9), 10606-10611, 2013
Plasmon enhanced upconversion luminescence near gold nanoparticles–simulation and analysis of the interactions
S Fischer, F Hallermann, T Eichelkraut, G von Plessen, KW Krämer, ...
Optics express 20 (1), 271-282, 2012
Modeling upconversion of erbium doped microcrystals based on experimentally determined Einstein coefficients
S Fischer, H Steinkemper, P Löper, M Hermle, JC Goldschmidt
Journal of applied physics 111 (1), 013109, 2012
Record efficient upconverter solar cell devices with optimized bifacial silicon solar cells and monocrystalline BaY2F8: 30% Er3+ upconverter
S Fischer, E Favilla, M Tonelli, JC Goldschmidt
Solar Energy Materials and Solar Cells 136, 127-134, 2015
Experimental analysis of upconversion with both coherent monochromatic irradiation and broad spectrum illumination
JC Goldschmidt, S Fischer, P Löper, KW Krämer, D Biner, M Hermle, ...
Solar Energy Materials and Solar Cells 95 (7), 1960-1963, 2011
Absolute upconversion quantum yield of β-NaYF4 doped with Er3+ and external quantum efficiency of upconverter solar cell devices under broad-band excitation considering …
S Fischer, B Fröhlich, H Steinkemper, KW Krämer, JC Goldschmidt
Solar energy materials and solar cells 122, 197-207, 2014
Upconversion quantum yield of Er3+-doped β-NaYF4 and Gd2O2S: The effects of host lattice, Er3+ doping, and excitation spectrum bandwidth
S Fischer, R Martín-Rodríguez, B Fröhlich, KW Krämer, A Meijerink, ...
Journal of luminescence 153, 281-287, 2014
Controlled Isotropic and Anisotropic Shell Growth in β-NaLnF4 Nanocrystals Induced by Precursor Injection Rate
S Fischer, JK Swabeck, AP Alivisatos
Journal of the American Chemical Society 139 (35), 12325-12332, 2017
Upconverting core-shell nanocrystals with high quantum yield under low irradiance: On the role of isotropic and thick shells
S Fischer, NJJ Johnson, J Pichaandi, JC Goldschmidt, FCJM van Veggel
Journal of applied physics 118 (19), 193105, 2015
Improving quantum yield of upconverting nanoparticles in aqueous media via emission sensitization
MD Wisser, S Fischer, C Siefe, AP Alivisatos, A Salleo, JA Dionne
Nano letters 18 (4), 2689-2695, 2018
Bifacial n-type silicon solar cells for upconversion applications
M Rüdiger, S Fischer, J Frank, A Ivaturi, BS Richards, KW Krämer, ...
Solar energy materials and solar cells 128, 57-68, 2014
Enhancing quantum yield via local symmetry distortion in lanthanide-based upconverting nanoparticles
MD Wisser, S Fischer, PC Maurer, ND Bronstein, S Chu, AP Alivisatos, ...
ACS Photonics 3 (8), 1523-1530, 2016
Upconverter silicon solar cell devices for efficient utilization of sub-band-gap photons under concentrated solar radiation
S Fischer, A Ivaturi, B Fröhlich, M Rüdiger, A Richter, KW Krämer, ...
IEEE journal of photovoltaics 4 (1), 183-189, 2013
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