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Improved Performance in Bulk Heterojunction Organic Solar Cells with a Sol‐Gel MgZnO Electron‐Collecting Layer
Author(s) -
MacLeod Bradley A.,
Schulz Philip,
Cowan Sarah R.,
Garcia Andres,
Ginley David S.,
Kahn Antoine,
Olson Dana C.
Publication year - 2014
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.201400073
Subject(s) - materials science , energy conversion efficiency , organic solar cell , heterojunction , open circuit voltage , layer (electronics) , polymer solar cell , active layer , recombination , optoelectronics , electron , short circuit , photochemistry , chemical engineering , voltage , nanotechnology , composite material , chemistry , physics , quantum mechanics , engineering , polymer , biochemistry , thin film transistor , gene
Enhanced power conversion efficiency is observed for inverted organic solar cells when a sol‐gel deposited MgZnO is used in place of ZnO. The enhanced fill factor and open‐circuit voltage suggest reduced recombination at the interface with bulk heterojunctions of poly(3‐hexylthiophene) (P3HT) blended with either [6,6]‐phenyl‐C 61 ‐butyric acid methyl ester (PCBM) or indene C 60 bis‐adduct (ICBA).