Development of New Conjugated Polymers with Donor-π-Bridge-Acceptor Side Chains for High Performance Solar Cells

被引:322
作者
Huang, Fei [1 ,2 ]
Chen, Kung-Shih [1 ]
Yip, Hin-Lap [1 ]
Hau, Steven K. [1 ]
Acton, Orb [1 ]
Zhang, Yong [1 ]
Luo, Jingdong [1 ]
Jen, Alex K. -Y. [1 ]
机构
[1] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA
[2] S China Univ Technol, Inst Polymer Optoelect Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
基金
美国国家科学基金会;
关键词
DERIVATIVES; NETWORK; DESIGN;
D O I
10.1021/ja9066139
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two new conjugated polymers have been designed and synthesized for polymer solar cells. Both of them exhibit excellent photovoltaic properties with a power conversion efficiency as high as 4.74%. Different from the traditional linear donor-acceptor (D-A) type conjugated polymers, these newly designed polymers have a two-dimensional conjugated structure with their tunable acceptors located at the end of D-A side chains and connected with the donors on the main chain through an efficient in-bridge. This approach provides great flexibility in fine-tuning the absorption spectra and energy levels of the resultant polymers for achieving high device performance.
引用
收藏
页码:13886 / +
页数:4
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