Low-Bandgap Small Molecules as Non-Fullerene Electron Acceptors Composed of Benzothiadiazole and Diketopyrrolopyrrole for All Organic Solar Cells

被引：111

作者：

Jung, Jae Woong ^{[1
]}

Jo, Won Ho ^{[1
]}

机构：

[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151744, South Korea

来源：

CHEMISTRY OF MATERIALS | 2015年 / 27卷 / 17期

关键词：

POWER CONVERSION EFFICIENCY; MOBILITY CONJUGATED POLYMER; OPEN-CIRCUIT VOLTAGE; NONFULLERENE ACCEPTOR; ENERGY-LOSSES; PHOTOVOLTAICS; DONOR; GAP; RECOMBINATION; BLENDS;

D O I：

10.1021/acs.chemmater.5b02480

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Small molecules composed of benzothiadiazole and diketopyrrolopyrrole have affirmative optoelectronic properties as non-fullerene electron acceptors in photovoltaic device such as high crystallinity, decent electron mobility, a low bandgap, and proper molecular energy levels. The organic solar cell device combined with PTB7 as an electron donor exhibits a promising power conversion efficiency of 5.0%, demonstrating that the small molecules are promising electron acceptors for non-fullerene organic solar cells.

引用

页码：6038 / 6043

页数：6

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