Synthesis and photovoltaic performances of benzo[1,2-b:4,5-b']dithiophene-<i>alt</i>-2,3-diphenylquinoxaline copolymers pending functional groups in phenyl rings
作者:Hua Tan、Xianping Deng、Junting Yu、Jianhua Chen、Kaixuan Nie、Ying Huang、Yu Liu、Yafei Wang、Meixiang Zhu、Weiguo Zhu
DOI:10.1002/pola.26477
日期:2013.3.1
8‐bis((2‐ethyl‐hexyl)oxy)benzo[1,2‐b:4,5‐b'] dithiophene)‐alt‐(2,3‐bis(4′‐bis(N,N‐bis(4‐(octyloxy) phenylamino)‐ 1,1′‐biphen‐4‐yl)quinoxaline) (P2) exhibited better photovoltaic performance than poly(4,8‐bis((2‐ethylhexyl)oxy)benzo[1,2‐b:4,5‐b'] dithiophene)‐alt‐(2,3‐bis(4‐(5‐octylthiophen‐2‐yl)phenyl)quinoxaline) (P1) in the bulk‐heterojunction polymer solar cells with a configuration of ITO/PEDOT:PSS/polymers:
两个供体/受体(d / A)为基础的苯并[1,2-B:4,5-B'] dithiophene- ALT -2,3-联苯的喹喔啉共聚物P 1和P 2被合成未决不同的官能团(噻吩或三苯胺)在苯环的4位上。研究了它们的热,光物理,电化学和光伏特性以及其共混膜的形态。聚(4,8-双((2-乙基-己基)氧基)苯并[1,2-b:4,5-b']二噻吩)alt-(2,3-双(4'-bis( N,N-双(4-(辛氧基)苯氨基)-1,1'-联苯-4-基)喹喔啉)(P 2)的光电性能优于聚(4,8-双((2-乙基己基)氧基) )苯并[1,2-b:4,5-b']二噻吩)-altITO / PEDOT:PSS /聚合物构型的本体-异质结聚合物太阳能电池中的-(2,3-二(4-(5-辛基噻吩-2-基)苯基)喹喔啉)(P 1):[6, 6]-苯基-C 71-丁酸甲酯(PC 71 BM)/ LiF / Al。在AM 1.5、100