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Avoiding Photoinduced Shunts in Organic Solar Cells by the Use of Tin Oxide (SnO x ) as Electron Extraction Material Instead of ZnO
Author(s) -
Trost Sara,
Becker Tim,
Polywka Andreas,
Görrn Patrick,
Oszajca Marek F.,
Luechinger Norman A.,
Rogalla Detlef,
Weidner Mirko,
Reckers Philip,
Mayer Thomas,
Riedl Thomas
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201600347
Subject(s) - materials science , tin , tin oxide , zinc , oxide , electron , indium tin oxide , optoelectronics , nanotechnology , thin film , metallurgy , physics , quantum mechanics
Organic solar cells using zinc oxide (ZnO) based electron extraction layers (EELs) show a lowered shunt resistance along with a decay of the filling factor and open circuit voltage upon UV illumination, due to a loss of electron selectivity of the EEL. This issue is overcome by tin oxide (SnO x ) as EEL, with a surface electronic structure different from ZnO.