Alkyl Side-Chain Engineering in Wide-Bandgap Copolymers Leading to Power Conversion Efficiencies over 10%

被引：227

作者：

Liu, Tao ^{[1
]}

Pan, Xuexue ^{[1
]}

Meng, Xiangyi ^{[2
]}

Liu, Yu ^{[2
]}

Wei, Donghui ^{[3
]}

Ma, Wei ^{[2
]}

Huo, Lijun ^{[1
]}

Sun, Xiaobo ^{[1
]}

Lee, Tack Ho ^{[4
]}

Huang, Minjuan ^{[5
]}

Choi, Hyosung ^{[5
]}

Kim, Jin Young ^{[4
]}

Choy, Wallace C. H. ^{[6
]}

Sun, Yanming ^{[1
]}

机构：

[1] Beihang Univ, Sch Chem & Environm, Heeger Beijing Res & Dev Ctr, Beijing 100191, Peoples R China

[2] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China

[3] Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou 450001, Peoples R China

[4] Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Ulsan 689798, South Korea

[5] Hanyang Univ, Dept Chem, Inst Mat Design, Seoul 133791, South Korea

[6] Univ Hong Kong, Dept Elect & Elect Engn, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China

来源：

ADVANCED MATERIALS | 2017年 / 29卷 / 06期

基金：

新加坡国家研究基金会; 中国国家自然科学基金;

关键词：

POLYMER SOLAR-CELLS; PHOTOVOLTAIC PERFORMANCE; CONJUGATED POLYMER; ELECTRON-ACCEPTOR; GAP COPOLYMERS; FILM;

D O I：

10.1002/adma.201604251

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of wide-bandgap (WBG) copolymers with different alkyl side chains are synthesized. Among them, copolymer PBT1-EH with moderatly bulky side chains on the acceptor unit shows the best photovoltaic performance with power conversion efficiency over 10%. The results suggest that the alkyl side-chain engineering is an effective strategy to further tuning the optoelectronic properties of WBG copolymers.

引用

页数：7

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