Fluorene-based copolymers with donor-acceptor units on the side chain and main chain: Synthesis and application in polymer solar cells

被引：12
|
作者：
Hou, Qiong [1 ]
Liu, Jungen [1 ]
Jia, Tao [1 ]
Luo, Suilian [1 ]
Shi, Guang [1 ]
机构：
[1] S China Normal Univ, Sch Chem & Environm, Guangzhou 510006, Guangdong, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2013年 / 130卷 / 05期
关键词：
copolymers; optical and photovoltaic applications; optical properties; PHOTOVOLTAIC PROPERTIES; CONJUGATED POLYMERS; ALTERNATING COPOLYMERS; THIOPHENE; BENZOTHIADIAZOLE; BENZOTRIAZOLE; PERFORMANCE; DEVICES;
D O I：
10.1002/app.39563
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Two narrow band gap fluorene-based copolymers with donor-acceptor (D-A) structure on the polymer side chain and/or main chain are synthesized by Pd-catalyzed Stille coupling reactions. The two copolymers have excellent thermal stability. The effects of D-A structure on the main and side chains on the absorption and electrochemical properties are studied. The copolymer PF-BTh-DBT with D-A structure both on the main and side chains has broader and stronger absorption and narrower band gap than the copolymer PF-BTh with only a pendent D-A structure. The power conversion efficiency of the assembled solar cell using PF-BTh-DBT as donor and PC71BM as acceptor is 1.6% with open-circuit voltage (V-oc) 0.84 V under simulated AM 1.5 G solar irradiation (100 mW/cm(2)). (c) 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 3276-3281, 2013
引用
收藏
页码：3276 / 3281
页数：6
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