Crystalline conjugated polymer containing fused 2,5-di(thiophen-2-yl)thieno[2,3-b]thiophene and thieno[3,4-c]pyrrole-4,6-dione units for bulk heterojunction solar cells |
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| Authors: | Chen Guan-Yu Cheng Yu-Hsin Chou Yi-Jen Su Ming-Shin Chen Chia-Min Wei Kung-Hwa |
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| Affiliation: | Department of Materials Science and Engineering, National Chiao Tung University, 1001 Ta Hsueh Road, Hsihchu, Taiwan, ROC. |
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| Abstract: | A new conjugated polymer, PDTTTPD, comprising 2,5-di(thiophen-2-yl)thieno[3,2-b]thiophene and thieno[3,4-c]pyrrole-4,6-dione units, exhibits high crystallinity and excellent thermal stability. A device incorporating PDTTTPD and [6,6]-phenyl-C(71)-butyric acid methyl ester (1:1, w/w) exhibited a power conversion efficiency of 5.1%. |
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