High-Performance Photovoltaic Polymers Employing Symmetry-Breaking Building Blocks
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- 作者：Deyu Liu ; Qianqian Zhu ; Chunyang Gu ; Junyi Wang ; Meng Qiu ; Weichao Chen ; Xichang Bao ; Mingliang Sun and Renqiang Yang
- 刊名：Advanced Materials
- 出版年：2016
- 出版时间：October 12, 2016
- 年：2016
- 卷：28
- 期：38
- 页码：8490-8498
- 全文大小：1883K
- ISSN：1521-4095
文摘
Two 1D–2D asymmetric benzodithiophenes (BDTs) as donor building blocks are designed and synthesized, combining the advantages of both 1D and 2D symmetric BDTs. The photovoltaic properties of the asymmetric BDT-based polymers are improved greatly in comparison with corresponding symmetric BDT-based polymers. This work provides a new approach to design prospective organic optoelectronic materials employing the symmetry-breaking strategy.