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Title: | A study of the degradation mechanisms of ultra-thin CIGS solar cells submitted to a damp heat environment | Authors: | KOHL, Thierry DE WILD, Jessica BULDU KOHL, Dilara BIRANT, Gizem BRAMMERTZ, Guy RIVAS RIVAS, Nicolas RENNER, Frank MEURIS, Marc POORTMANS, Jef VERMANG, Bart |
Issue Date: | 2019 | Publisher: | IEEE | Source: | IEEE, p. 1858 -1860 | Series/Report: | IEEE Photovoltaic Specialists Conference | Series/Report no.: | 46 | Abstract: | Producing the green energy of tomorrow will require highly efficient as well as energy-, and cost-effective solar cells in addition to having reasonable lifetimes. To determine if CIGS can be made to submit to these constraints, we produced ultra-thin (500nm) single-stage coevaporated CIGS solar cells. We doped these cells with varying amounts and types of alkali atoms and submitted them to accelerated lifetime testing. Results showed definite effect of the alkali concentration on the degradation of the cells but showed limited migration. Instead, the seeping of water into the grain boundaries was identified as the main culprit for performance degradation. | Notes: | Kohl, T (corresponding author), Hasselt Univ Partner Solliance, Inst Mat Res IMO, Agoralaan Gebouw H, B-3590 Diepenbeek, Belgium.; Kohl, T (corresponding author), Imec Div IMOMEC Partner Solliance, Wetenschapspk 1, B-3590 Diepenbeek, Belgium.; Kohl, T (corresponding author), EnergyVille, Thorpk, B-8310 Poort Genk, Belgium. | Other: | Kohl, T (corresponding author), Hasselt Univ Partner Solliance, Inst Mat Res IMO, Agoralaan Gebouw H, B-3590 Diepenbeek, Belgium ; Imec Div IMOMEC Partner Solliance, Wetenschapspk 1, B-3590 Diepenbeek, Belgium ; EnergyVille, Thorpk, B-8310 Poort Genk, Belgium. | Keywords: | ultra-thin solar cells;CIGS;alkali doping;materials reliability | Document URI: | http://hdl.handle.net/1942/32658 | ISBN: | 978-1-7281-0494-2 | ISI #: | WOS:000542034901166 | Category: | C1 | Type: | Proceedings Paper | Validations: | ecoom 2022 |
Appears in Collections: | Research publications |
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