堆积
化学
聚合物太阳能电池
共轭体系
太阳能电池
共聚物
侧链
异质结
载流子
聚合物
化学工程
高分子化学
光电子学
有机化学
材料科学
工程类
作者
Feng He,Wei Wang,Wei Chen,Tao Xu,Seth B. Darling,Joseph Strzalka,Yun Liu,Luping Yu
摘要
A series of semiconducting copolymers (PTAT-x) containing extended π-conjugated tetrathienoanthracene units have been synthesized. It was shown that the extended conjugation system enhanced the π-π stacking in the polymer/PC(61)BM blend films and facilitated the charge transport in heterojunction solar cell devices. After structural fine-tuning, the polymer with bulky 2-butyloctyl side chains (PTAT-3) exhibited a PCE of 5.6% when it was blended with PC(61)BM.
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