期刊
CHEMICAL COMMUNICATIONS
卷 51, 期 83, 页码 15268-15271出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc06009e
关键词
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资金
- MoST [2014CB643502]
- NSFC [51373078, 51422304, 91433101]
- PCSIRT [IRT1257]
- Tianjin city [13RCGFGX01121]
- Polymer-Based Materials for Harvesting Solar Energy (PhaSE) Energy Frontier Research Center - U.S. Department of Energy, Office of Basic Energy Sciences [DE-SC0001087]
A solution processed acceptor-donor-acceptor (A-D-A) small molecule with thieno[3,2-b]thiophene as the central building block and 2-(1,1-dicyanomethylene)-rhodanine as the terminal unit, DRCN8TT, was designed and synthesized. The optimized power conversion efficiency (PCE) of 8.11% was achieved, which is much higher than that of its analogue molecule DRCN8T. The improved performance was ascribed to the morphology which consisted of small, highly crystalline domains that were nearly commensurate with the exiton diffusion length.
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