Enantiopure versus Racemic Naphthalimide End-Capped Helicenic Non-fullerene Electron Acceptors: Impact on Organic Photovoltaics Performance

被引：66

作者：

Josse, Pierre ^{[1
]}

Favereau, Ludovic ^{[2
]}

Shen, Chengshuo ^{[2
]}

Dabos-Seignon, Sylvie ^{[1
]}

Blanchard, Philippe ^{[1
]}

Cabanetos, Clement ^{[1
]}

Crassous, Jeanne ^{[2
]}

机构：

[1] Univ Angers, CNRS, UMR 6200, MOLTECH Anjou, 2 Bd Lavoisier, F-49045 Angers, France

[2] Univ Rennes 1, Inst Phys Rennes, CNRS, Inst Sci Chim Rennes,UMR 6226,UMR 6251, Campus Beaulieu, F-35042 Rennes, France

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2017年 / 23卷 / 26期

关键词：

chirality; enantiopurity; helicene; non-fullerene; organic photovoltaics; HETEROJUNCTION SOLAR-CELLS; HIGH-EFFICIENCY; REGIOREGULAR POLYTHIOPHENES; CHIROPTICAL PROPERTIES; MOLECULAR ACCEPTORS; CIRCULAR-DICHROISM; SIDE-CHAINS; DERIVATIVES; INDUCTION; POLYMERS;

D O I：

10.1002/chem.201701066

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Impact of the enantiopurity on organic photovoltaics (OPV) performance was investigated through the synthesis of racemic and enantiomerically pure naphthalimide end-capped helicenes and their application as non-fullerene molecular electron acceptors in OPV devices. A very strong increase of the device performance was observed by simply switching from the racemic to the enantiopure forms of these -helical non-fullerene acceptors with power conversion efficiencies jumping from 0.4 to about 2.0% in air-processed poly(3-hexylthiophene)-based devices, thus highlighting the key role of enantiopurity in the photovoltaic properties.

引用

页码：6277 / 6281

页数：5

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