Benzodithiophene-Based Poly(aryleneethynylene)s: Synthesis, Optical Properties, and Applications in Organic Solar Cells

被引：19
|
作者：
Wen, Shuguang [1 ]
Bao, Xichang [1 ]
Shen, Wenfei [1 ,2 ]
Gu, Chuantao [1 ]
Du, Zhengkun [1 ]
Han, Liangliang [1 ]
Zhu, Dangqiang [1 ]
Yang, Renqiang [1 ]
机构：
[1] Chinese Acad Sci, CAS Key Lab Biobased Mat, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
[2] Qingdao Univ, Inst Hybrid Mat, Lab New Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Peoples R China
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2014年 / 52卷 / 02期
基金：
中国国家自然科学基金;
关键词：
bulk-heterojunction; charge transfer; conjugated polymer; heteroatom-containing polymers; organic solar cell; poly(aryleneethynylene)s; structure; property relationships; OPEN-CIRCUIT VOLTAGE; PHOTOVOLTAIC PROPERTIES; SIDE-CHAINS; POLYMER; DONOR; MORPHOLOGY; EFFICIENCY; COPOLYMER; DESIGN;
D O I：
10.1002/pola.26989
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The synthesis and characterization of building block of ethynylene-substituted benzo[1,2-b:4,5-b]dithiophene (BDT), and its application in the construction of poly(aryleneethynylene)s (PAEs) are described in this article. Alkoxy-substituted BDT and thiazolothiazole are selected as the other copolymerized units, and polymers of PEBBDT and PEBTTZ were synthesized by Pd-catalyzed Sonogashira coupling reaction. These polymers showed intense interchain - interaction and deep HOMO levels ( -5.50 eV). Bulk heterojunction solar cell fabricated using PEBBDT or PEBTTZ as electron donor and PC61BM as acceptor display power conversion efficiency of 0.85 and 2.40%, respectively, under the illumination of AM1.5G, 100 mW cm(-2). This study shows good prospect for the application of PAEs-type polymers in organic solar cell. (c) 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2014, 52, 208-215
引用
收藏
页码：208 / 215
页数：8
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