Rare solvent annealing effective benzo(1,2-b:4,5-b')dithiophene-based low band-gap polymer for bulk heterojunction organic photovoltaics |
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| Authors: | Chen Hung-Yang Wu Jhao-Lin Chen Chin-Ti Chen Chao-Tsen |
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| Institution: | Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529, Republic of China. |
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| Abstract: | A newly synthesized benzo(1,2-b:4,5-b')dithiophene-based low band-gap copolymer pBCN is amenable to solvent annealing in the fabrication of organic photovoltaics, of which power conversion efficiency is greatly improved to 4.2% with PC(61)BM or 4.9% with PC(71)BM. |
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