Efficient all-polymer solar cells based on blend of tris(thienylenevinylene)-substituted polythiophene and poly[perylene diimide-alt-bis(dithienothiophene)]

被引:122
|
作者
Tan, Zhan'ao [1 ]
Zhou, Erjun [1 ]
Zhan, Xiaowei [1 ]
Wang, Xiang
Li, Yongfang [1 ]
Barlow, Stephen [2 ,3 ]
Marder, Seth R. [2 ,3 ]
机构
[1] Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
[2] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA
[3] Georgia Inst Technol, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA
关键词
D O I
10.1063/1.2975160
中图分类号
O59 [应用物理学];
学科分类号
摘要
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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页数:3
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