Perylene diimide-thienylenevinylene-based small molecule and polymer acceptors for solution-processed fullerene-free organic solar cells

被引：31
|
作者：
Dai, Shuixing [1 ,2 ]
Lin, Yuze [3 ,4 ,5 ]
Cheng, Pei [3 ,4 ,5 ]
Wang, Yifan [3 ,4 ,5 ]
Zhao, Xingang [3 ,4 ]
Ling, Qidan [1 ]
Zhan, Xiaowei [2 ]
机构：
[1] Fujian Normal Univ, Coll Mat Sci & Engn, Fujian Key Lab Polymer Mat, Fuzhou 350007, Peoples R China
[2] Peking Univ, Coll Engn, Dept Mat Sci & Engn, Beijing 100871, Peoples R China
[3] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
[4] Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China
[5] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
DYES AND PIGMENTS | 2015年 / 114卷
关键词：
Perylene diimide; Thienylenevinylene; Organic solar cell; Solution process; Nonfullerene acceptor; Fullerene-free; POWER CONVERSION EFFICIENCY; FIELD-EFFECT TRANSISTORS; DIKETOPYRROLOPYRROLE; TRANSPORT;
D O I：
10.1016/j.dyepig.2014.11.022
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A small molecule and a polymer based on perylene diimide and thienylenevinylene were designed and synthesized. Both small molecule and polymer exhibited excellent thermal stability with decomposition temperatures of >400 degrees C and strong absorption in the visible region (300-800 nm). These two compounds showed highest occupied molecular orbital levels of -5.57 and -5.70 eV and lowest unoccupied molecular orbital levels of -3.72 and -3.67 eV, respectively. Solution processed fullerene-free polymer solar cells based on the small molecule acceptor and the polymer acceptor afforded power conversion efficiencies of up to 0.69% and 1.00%, respectively. Comparative studies of the absorption, energy levels, charge transport, morphology and photovoltaic properties of the small molecule and polymer were carried out. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：283 / 289
页数：7
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