Synthesis and Photovoltaic Properties of Thieno[3,4-b]pyrazine or Dithieno[3′,2′:3,4;2",3":5,6]benzo[1,2-d]imidazole-Containing Conjugated Polymers

被引:9
|
作者
Keshtov, Mukhamed L. [1 ]
Godovsky, Dmitri Yu. [1 ]
Khokhlov, Alexei R. [1 ,2 ]
Mizobe, Tetsunari [3 ]
Fujita, Hiroyuki [3 ]
Goto, Eisuke [4 ]
Hiyoshi, Junya [3 ]
Nakamura, Saki [3 ]
Kawauchi, Susumu [3 ]
Higashihara, Tomoya [4 ]
Michinobu, Tsuyoshi [3 ]
机构
[1] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Vavilova St 28,GSP-1,V-334, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia
[3] Tokyo Inst Technol, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528550, Japan
[4] Yamagata Univ, Grad Sch Sci & Engn, Yonezawa, Yamagata 9928510, Japan
基金
俄罗斯科学基金会; 日本科学技术振兴机构;
关键词
charge transport; computer modeling; conducting polymers; conjugated polymers; electrochemistry; photochemistry; HETEROJUNCTION SOLAR-CELLS; OPEN-CIRCUIT VOLTAGE; COPOLYMERS; BANDGAP;
D O I
10.1002/pola.27570
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Novel conjugated polymers composed of benzo[1,2-b:4,5-b]dithiophene and thieno[3,4-b]pyrazine or dithieno[3,2:3,4;2,3:5,6]benzo[1,2-d]imidazole units are synthesized by Stille polycondensation. The resulting polymers display a longer wavelength absorption and well-defined redox activities. The effective intramolecular charge-transfer and energy levels of all polymers are elucidated by computational calculations. Bulk-heterojunction solar cells based on these polymers as p-type semiconductors and [6,6]-phenyl-C-61-butyric acid methyl ester (PC61BM) as an n-type semiconductor are fabricated, and their photovoltaic performances are for the first time evaluated. (c) 2015 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2015, 53, 1067-1075
引用
收藏
页码:1067 / 1075
页数:9
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