A copolymer based on benzo[1,2-b:4,5-b′]dithiophene and quinoxaline derivative for photovoltaic application

被引：21
|
作者：
Wu, Haimei [1 ,2 ]
Qu, Bo [3 ]
Cong, Zhiyuan [1 ]
Liu, Hongli [1 ]
Tian, Di [1 ]
Gao, Bowen [4 ]
An, Zhongwei [1 ]
Gao, Chao [1 ,4 ]
Xiao, Lixin [3 ]
Chen, Zhijian [3 ]
Liu, Huanhuan [4 ]
Gong, Qihuang [3 ]
Wei, Wei [2 ]
机构：
[1] Xian Modern Chem Res Inst, Xian 710065, Shaanxi, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Inst Adv Mat, Nanjing 210003, Peoples R China
[3] Peking Univ, Dept Phys, State Key Lab Artificial Microstruct & Mesoscop P, Beijing 100871, Peoples R China
[4] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
来源：
REACTIVE & FUNCTIONAL POLYMERS | 2012年 / 72卷 / 11期
关键词：
Polymer solar cell; D-A-D polymers; Heterojunction; Quinoxaline; Thiophene; HETEROJUNCTION SOLAR-CELLS; HIGH-PERFORMANCE; POLYMER; EFFICIENCY; ADDITIVES; DONOR;
D O I：
10.1016/j.reactfunctpolym.2012.07.006
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A D-A-D copolymer (PBDTQx) with a bandgap of 1.78 eV, containing alkoxy-substituted benzo[1,2-b:4,5-b']dithiophene (BDT) as donor and quinoxaline derivative (Qx) as acceptor, was synthesized by Stille coupling reaction. In order to study the photovoltaic property of PBDTQx, polymer solar cells (PSCs) were fabricated with PBDTQx as the electron donor blended with [6,6]-phenyl-C61-butyric acid methyl ester (PC61 BM) as the electron acceptor. The power conversion efficiency (PCE) of PSC was 1.01% for an optimized PBDTQx: PC61 BM ratio of 1:5, under the illumination of AM 1.5, 100 mW/cm(2). The results indicated that PBDTQx was a promising donor candidate in the application of polymer solar cells. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：897 / 903
页数：7
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