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Showing results 1 to 20 of 142
   Electronic defects in Cu(In,Ga)Se2: Towards a comprehensive modelSpindler, Conrad  ; Babbe, Finn ; Wolter, Max et alin Physical Review Materials (2019), 3 Detailed reference viewed: 97 (0 UL)"Keine Schwarzseher" Forscher der Universität Luxemburg unterstützen Jugendliche von "Fridays for Future"Carr, Constance ; König, Ariane ; Reckinger, Rachel et alArticle for general public (2019) Detailed reference viewed: 127 (6 UL)Quasi-Fermi-Level Splitting of Cu-Poor and Cu-Rich CuInS2 Absorber LayersLomuscio, Alberto ; Rödel, Tobias ; et alin Physical Review Applied (2019), 11 Detailed reference viewed: 306 (3 UL)Challenge in Cu-rich CuInSe2 thin film solar cells: Defect caused by etchingElanzeery, Hossam ; Melchiorre, Michele ; Sood, Mohit et alin Physical Review Materials (2019), 3 Detailed reference viewed: 84 (7 UL)Variable chemical decoration of extended defects in Cu-poor Cu2ZnSnSe4 thin films; Redinger, Alex ; Siebentritt, Susanne et alin Physical Review Materials (2019), 3 Detailed reference viewed: 103 (4 UL)Time-resolved photoluminescence on double graded Cu(In,Ga)Se2 – Impact of front surface recombination and its temperature dependenceWeiss, Thomas ; ; Wolter, Max et alin Science and Technology of Advanced Materials (2019), 20 Detailed reference viewed: 76 (1 UL)The hunt for the third acceptor in CuInSe2 and Cu(In,Ga)Se2 absorber layersBabbe, Finn ; Elanzeery, Hossam ; Wolter, Max et alin Journal of Physics: Condensed Matter (2019), 31 Detailed reference viewed: 45 (1 UL)Can we see defects in capacitance measurements of thin‐film solar cells ?Werner, Florian ; Babbe, Finn ; Elanzeery, Hossam et alin Progress in Photovoltaics (2019), 27 Detailed reference viewed: 97 (0 UL)High‐performance low bandgap thin film solar cells for tandem applicationsElanzeery, Hossam ; Babbe, Finn ; Melchiorre, Michele et alin Progress in Photovoltaics (2018) Thin film tandem solar cells provide a promising approach to achieve high efficiencies. These tandem cells require at least a bottom low bandgap and an upper high bandgap solar cell. In this contribution ... [more ▼] Thin film tandem solar cells provide a promising approach to achieve high efficiencies. These tandem cells require at least a bottom low bandgap and an upper high bandgap solar cell. In this contribution, 2 high‐performance Cu(In,Ga)Se2 cells with bandgaps as low as 1.04 and 1.07 eV are presented. These cells have shown certified efficiencies of 15.7% and 16.6% respectively. Measuring these cells under a 780‐nm longpass filter, corresponding to the bandgap of a typical top cell in tandem applications (1.57 eV), they achieved efficiencies of 7.9% and 8.3%. Admittance measurements showed no recombination active deep defects. One additional high‐performance CuInSe2 thin film solar cell with bandgap of 0.95 eV and efficiency of 14.1% is presented. All 3 cells have the potential to be integrated as bottom low bandgap cells in thin film tandem applications achieving efficiencies around 24% stacked with an efficient high bandgap top cell. [less ▲] Detailed reference viewed: 166 (3 UL)The Optical Diode Ideality Factor Enables Fast Screening of Semiconductors for Solar CellsBabbe, Finn ; ; Siebentritt, Susanne in Solar RRL (2018), 1800248 Detailed reference viewed: 118 (4 UL)Absorption Coefficient of a Semiconductor Thin Film from PhotoluminescenceRey, Germain ; Spindler, Conrad ; Rachad, Wafae et alin Physical Review Applied (2018), 9 Detailed reference viewed: 143 (7 UL)Investigation on the Angle and Spectral Dependence of the Internal and the External Quantum Efficiency of Crystalline Silicon Solar Cells and Modules; ; Siebentritt, Susanne in IEEE Journal of Photovoltaics (2018) Detailed reference viewed: 56 (0 UL)Potassium fluoride postdeposition treatment with etching step on both Cu-rich and Cu-poor CuInSe2 thin film solar cellsBabbe, Finn ; Elanzeery, Hossam ; Melchiorre, Michele et alin Physical Review Materials (2018), 2(10), 105405 Detailed reference viewed: 86 (4 UL)Influence of Sodium and Rubidium Postdeposition Treatment on the Quasi-Fermi Level Splitting of Cu(In,Ga)Se2 Thin FilmsWolter, Max ; ; et alin IEEE Journal of Photovoltaics (2018) Detailed reference viewed: 76 (2 UL)Sodium enhances indium-gallium interdiffusion in copper indium gallium diselenide photovoltaic absorbersColombara, Diego ; Werner, Florian ; et alin Nature Communications (2018) Detailed reference viewed: 311 (8 UL)Interdiffusion and Doping Gradients at the Buffer/Absorber Interface in Thin-Film Solar CellsWerner, Florian ; Babbe, Finn ; Burkhart, Jan et alin ACS Applied Materials and Interfaces (2018), 10 Detailed reference viewed: 82 (5 UL)Alkali treatments of Cu(In,Ga)Se2 thin‐film absorbers and their impact on transport barriersWerner, Florian ; Wolter, Max ; Siebentritt, Susanne et alin Progress in Photovoltaics (2018) Detailed reference viewed: 126 (4 UL)Buffer Layers, Defects, and the Capacitance Step in the Admittance Spectrum of a Thin-Film Solar CellWerner, Florian ; Siebentritt, Susanne in Physical Review Applied (2018), 9 Detailed reference viewed: 104 (2 UL)On the origin of band-tails in kesteriteRey, Germain ; ; et alin Solar Energy Materials and Solar Cells (2017) Detailed reference viewed: 85 (2 UL)Space-charge-limited currents in CIS-based solar cellsZelenina, Anastasiya ; Werner, Florian ; Elanzeery, Hossam et alin Applied Physics Letters (2017), 111 Detailed reference viewed: 125 (4 UL) |
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