A random copolymer approach to develop nonfullerene acceptors for all-polymer solar cells

被引：38

作者：

Li, Xiangzhi ^{[1
,2
,3
]}

Sun, Po ^{[1
,2
,3
]}

Wang, Yulong ^{[3
]}

Shan, Haiquan ^{[3
]}

Xu, Jiaju ^{[3
]}

Song, Xin ^{[1
,2
]}

Xu, Zong-xiang ^{[3
]}

Chen, Zhi-Kuan ^{[1
,2
]}

机构：

[1] Nanjing Tech Univ, Key Lab Flexible Elect KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China

[2] Nanjing Tech Univ, Inst Adv Mat IAM, Natl Jiangsu Synerget Innovat Ctr Adv Mat, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China

[3] South Univ Sci & Technol China, Dept Chem, Shenzhen, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2016年 / 4卷 / 11期

基金：

中国国家自然科学基金;

关键词：

FIELD-EFFECT TRANSISTORS; HIGH-PERFORMANCE; NAPHTHALENE DIIMIDES; CONJUGATED POLYMERS; EFFICIENCY; PERYLENE; BLEND; MORPHOLOGY; DONOR;

D O I：

10.1039/c6tc00031b

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report a donor-acceptor type of random copolymer PNDI-TT-TVT as a replacement for fullerene-based acceptors in organic solar cells (OSCs). PNDI-TT-TVT is composed of naphthalene tetracarboxylic diimide (NDI) acceptor units, randomly distributed thieno[ 3,2-b]-thiophene (TT) and thienylene-vinylene-thienylene (TVT) donor units. OSCs fabricated from a blend of PTB7-Th and PNDI-TT-TVT exhibit a power conversion efficiency of 4.86%, which is significantly higher than the PCEs of the devices based on alternating copolymers of PNDI-TT and PNDI-TVT. The results indicate that random copolymerization is a promising approach to develop novel polymer acceptors for organic photovoltaics.

引用

页码：2106 / 2110

页数：5

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