A perylene diimide electron acceptor with a triptycene core for organic solar cells

被引：33
|
作者：
Liu, Xiaofeng [1 ]
Cai, Yunhao [2 ]
Huang, Xuebin [1 ]
Zhang, Rubo [1 ]
Sun, Xiaobo [2 ]
机构：
[1] Beijing Inst Technol, Sch Chem & Chem Engn, Beijing Key Lab Photoelect Electrophoton Convers, 5 Zhongguancun Rd, Beijing 100081, Peoples R China
[2] Beihang Univ, Sch Chem & Environm, Heeger Beijing Res & Dev Ctr, Beijing 100191, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY C | 2017年 / 5卷 / 12期
基金：
中国国家自然科学基金;
关键词：
FIELD-EFFECT TRANSISTORS; SMALL-MOLECULE; NONFULLERENE ACCEPTORS; POLYMER; EFFICIENCY; FULLERENES; TRANSPORT; PERFORMANCE; CONVERSION; GEOMETRY;
D O I：
10.1039/c7tc00378a
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new 3D-structured acceptor TP3, in which three perylene diimide (PDI) units are connected together by a triptycene (TPC) core, is synthesized and characterized. Organic solar cells (OSCs) fabricated with a PTB7-Th:TP3 blend film as the active layer have been investigated and the best power conversion efficiency (PCE) of 3.16% is achieved by adding 0.5% DIO. Our studies suggest that the introduction of the TPC core could suppress the strong self-aggregation tendency of the PDI chromophores.
引用
收藏
页码：3188 / 3194
页数：7
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