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
收藏
页码：2106 / 2110
页数：5
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