期刊
APPLIED PHYSICS LETTERS
卷 93, 期 7, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.2975160
关键词
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资金
- NSFC [20721061, 20774104, 20574078, 50633050]
- MOST [2006AA03Z220]
- Chinese Academy of Sciences
- ONR [N00014-03-1-0793, N00014-04-1-0120]
- NSF [DMR-0120967]
A narrow band-gap alternating copolymer of perylene diimide and bis(dithienothiophene) (2) and a polythiophene derivative substituted by a tris(thienylenevinylene) conjugated side chain (4) are used as acceptor and donor, respectively, in all-polymer solar cells (SCs). The optimized device based on the blend of 4 and 2 in the ratio 3: 1 (w/w) gives a short circuit current (J(sc)) of 5.02 mA cm(-2) and a power conversion efficiency of 1.48%, under simulated AM 1.5 illumination at 100 mW cm(-2). These values are among the highest values reported for all-polymer SCs. (c) 2008 American Institute of Physics.
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