Enhancing the power conversion efficiency of PCDTBT:PC_(71)BM polymer solar cells using a mixture of solvents

查看全文 作　　者：Shaopeng [1]Yang;Ye [1]Zhang;Tao [1]Jiang;Xuefeng [1]Sun;Chaoqun [1]Lu;Guang [1]Li;Xiaowei [1]Li;Guangsheng [1]Fu

机构地区：[1]Hebei Key Laboratory of Optic-electronic Information Materials,College of Physics Science and Technology,Hebei University

出　　处：《Chinese Science Bulletin》索引2014年第59卷第3期,共4页

基　　金：supported by the Natural Science Foundation of Hebei Province(F2010000306,F2012201089);the Hebei Province Department of Education Fund(ZH2011205) 摘　　要：Organic polymer solar materials are shown to exhibit better solubility in mixed solvents than in pure ones,which affects the performance of their solar cells.In this article,poly[N-9-hepta-decanyl-2,7-carbazole-alt-5,5-(4.7-di-2-thienyI-2,l,3-benzothiadiazole)(PCDTBT0)and[6,6]-phenyl-C71-butyric acid methyl ester(PC_(71)BM)are used as active layer materials in solar cells.To optimize the performance of these active materials,the ratio of chloroform(CF)to chlorobenzene used as solvents to dissolve PCDTBT,and PC_(71)BM is varied,which is shown to affect power conversion efficiency(PCE).The solar cell that shows the best performance with a PCE as high as 6.82%is produced using a volume ratio of CF to chlorobenzene of1:1. 关键词：太阳能电池材料有机聚合物电源转换效率溶剂比混合物功率转换效率最佳性能苯并噻二唑

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Enhancing the power conversion efficiency of PCDTBT:PC_(71)BM polymer solar cells using a mixture of solvents

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