A Three-dimensional Non-fullerene Small Molecule Acceptor for Solution-processed Organic Solar Cells

被引：30

作者：

Chang, Meijia ^{[1
,2
]}

Wang, Yunchuang ^{[1
,2
]}

Qiu, Nailiang ^{[1
,2
]}

Yi, Yuan-Qiu-Qiang ^{[1
,2
]}

Wan, Xiangjian ^{[1
,2
]}

Li, Chenxi ^{[1
,2
]}

Chen, Yongshen ^{[1
,2
]}

机构：

[1] Nankai Univ, State Key Lab Elementoorgan Chem, Ctr Nanoscale Sci & Technol, Tianjin 300071, Peoples R China

[2] Nankai Univ, Coll Chem, Key Lab Funct Polymer Mat, Tianjin 300071, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2017年 / 35卷 / 11期

关键词：

organic solar cells; non-fullerene acceptor; solution processed; three-dimensional structure; HIGH-EFFICIENCY; NONFULLERENE ACCEPTORS; CATHODE INTERLAYER; ELECTRON-ACCEPTOR; 3D STRUCTURE; POLYMER; PERFORMANCE; PROGRESS; ENABLES;

D O I：

10.1002/cjoc.201700399

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An acceptor-donor-acceptor (A-D-A) three-dimensional (3D) small molecule acceptor (SFTTIC), using spirobifluorene as the core unit linking with four thieno[3,2-b]thiophenes (TT) and end-capped with 2-(3-oxo-2,3-dihydro-1H-inden-1-ylidene) malononitrile (INCN) was developed for solution processed organic solar cells. SFTTIC has a high absorption coefficient up to 3.12x10(5) mol(-1).cm(-1), good thermal stability and appropriate energy levels. The optimized power conversion efficiency (PCE) of 5.66% and 4.65% was achieved for the devices with PBDB-T: SFTTIC and PTB7-Th: SFTTIC, respectively.

引用

收藏

页码：1687 / 1692

页数：6

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