Methanofullerenes, C6o(CH2)n (n=1, 2, 3), as Building Blocks for High-Performance Acceptors Used in Organic Solar Cells

被引：60

作者：

He, Dan ^{[1
]}

Du, Xiaoyan ^{[1
]}

Xiao, Zuo ^{[1
]}

Ding, Liming ^{[1
]}

机构：

[1] Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China

来源：

ORGANIC LETTERS | 2014年 / 16卷 / 02期

基金：

中国国家自然科学基金;

关键词：

EFFICIENT; CYCLOPROPANATION; FULLERENES; BISADDUCT;

D O I：

10.1021/ol4035275

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Selective preparation of C-60(CH2)n (n = 1, 2, 3) was realized via a "Bingel-decarboxylation" route. A 54 pi-electron derivative of C-60(CH2)(2), OQBMF, demonstrates an outstanding power conversion efficiency (PCE) of 6.43% (V-oc = 0.95 V, J(sc),c = 9.67 mA cm(-2), FF = 70%) in fullerene:P3HT solar cells since the small CH2 addends lift up fullerene LUMO and increase V-oc, significantly without decreasing mobility significantly.

引用

页码：612 / 615

页数：4

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