An alternating D-A1-D-A2 copolymer containing two electron-deficient moieties for efficient polymer solar cells

被引：57

作者：

Sun, Wenjun ^{[1
]}

Ma, Zaifei ^{[2
]}

Dang, Dongfeng ^{[1
,3
]}

Zhu, Weiguo ^{[3
]}

Andersson, Mats R. ^{[1
]}

Zhang, Fengling ^{[2
]}

Wang, Ergang ^{[1
]}

机构：

[1] Chalmers, Dept Chem & Biol Engn Polymer Technol, SE-41296 Gothenburg, Sweden

[2] Linkoping Univ, IFM, SE-58183 Linkoping, Sweden

[3] Xiangtan Univ, Coll Chem, Minist Educ, Key Lab Environm Friendly Chem & Applicat, Xiangtan 411105, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2013年 / 1卷 / 37期

基金：

瑞典研究理事会;

关键词：

OPEN-CIRCUIT VOLTAGE; CONJUGATED POLYMERS; PHOTOVOLTAIC DEVICES; ENERGY-LOSSES; ACCEPTOR; PERFORMANCE; MOBILITY; TRANSISTORS;

D O I：

10.1039/c3ta12321a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Unlike normal donor-acceptor (D-A) polymers containing only one electron-deficient segment in their repeating unit, the incorporation of two electron-deficient moieties with different absorption behaviors, forming a D-A(1)-D-A(2) internal structure in the alternating copolymer, showed a broader absorption spectrum than its constituent parts and enhanced photovoltaic performance. This work is anticipated to open the door to the design of new low bandgap polymers with a broader absorption range for efficient polymer solar cells.

引用

页码：11141 / 11144

页数：4

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