Reference : High‐performance low bandgap thin film solar cells for tandem applications
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/36285
High‐performance low bandgap thin film solar cells for tandem applications
English
Elanzeery, Hossam mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Babbe, Finn mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Melchiorre, Michele mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Werner, Florian mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Siebentritt, Susanne mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
28-May-2018
Progress in Photovoltaics
John Wiley & Sons Ltd.
1-6
Yes (verified by ORBilu)
International
1062-7995
1099-159X
Chichester
United Kingdom
[en] admittance steps ; deep defects ; high‐performance solar cells ; low bandgap CIGS ; quasi‐Fermi‐level splitting ; tandem applications
[en] 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.
Fonds National de la Recherche - FnR
Researchers ; Professionals
http://hdl.handle.net/10993/36285
10.1002/pip.3026
https://onlinelibrary.wiley.com/doi/full/10.1002/pip.3026
FnR ; FNR8267152 > Susanne Siebentritt > CURI-K > Cu rich CIS - the effect of potassium treatment > 01/02/2015 > 31/01/2018 > 2014

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