Isobenzofulvene-fullerene mono-adducts for organic photovoltaic applications

被引:9
|
作者
Tseng, Nai-Wen [2 ]
Yu, Yong [1 ]
Li, Yunke [3 ]
Zhao, Jingbo [3 ]
So, Shu Kong [4 ]
Yan, He [3 ]
Ng, Ka Ming [1 ]
机构
[1] Hong Kong Univ Sci & Technol, Dept Chem & Biomol Engn, Kowloon, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Nano & Adv Mat Inst Ltd, Kowloon, Hong Kong, Peoples R China
[3] Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China
[4] Hong Kong Baptist Univ, Dept Phys, Kowloon, Hong Kong, Peoples R China
关键词
POLYMER SOLAR-CELLS; EFFICIENCY; MORPHOLOGY; ACCEPTOR;
D O I
10.1039/c4tc02373k
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A family of three isobenzofulvene mono-adduct fullerene derivatives are synthesized and applied as the acceptor for organic photovoltaic (OPV) cells. PTB7-based OPV cells incorporating these new fullerene derivatives show increased V-oc compared to the corresponding PC60BM-based cells. The best performing derivative in this fullerene family is IC(60)MA-4C that contains the longest alkyl chain and that yields a power conversion efficiency of 6.5% when combined with PTB7.
引用
收藏
页码:977 / 980
页数:4
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