Derivitization of pristine graphene for bulk heterojunction polymeric photovoltaic devices

被引：13

作者：

Ye, Lei ^{[1
]}

Xiao, Ting ^{[1
]}

Zhao, Ni ^{[1
]}

Xu, Haihua ^{[1
]}

Xiao, Yubin ^{[1
]}

Xu, Jianbin ^{[1
]}

Xiong, Yuzi ^{[2
]}

Xu, Weijian ^{[2
]}

机构：

[1] Chinese Univ Hong Kong, Dept Elect Engn, Mat Sci & Technol Res Ctr, Shatin, Hong Kong, Peoples R China

[2] Hunan Univ, Inst Polymer Sci & Engn, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 33期

关键词：

DIAZONIUM FUNCTIONALIZATION; CARBON; FILMS; EXFOLIATION; EFFICIENT; ELECTRODE; GRAPHITE; ANODES;

D O I：

10.1039/c2jm32729e

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：

In this communication, we report a simple method for a covalent band-forming reaction to change the hybridization of carbon atoms from sp(2) to sp(3), to introduce a band gap in pristine graphene. Graphene with well-defined functionality was synthesized, and the resulting material was soluble in organic solvent. The LUMO of functionalized graphene was below the LUMO of poly(3-hexylthiophene) (P3HT) and close to that of [6,6]-phenyl C-61-butyric acid methyl ester (PCBM), indicating its suitability as an electron acceptor for organic photovoltaic (OPV) applications. We further show the P3HT/functionalized graphene composite as the active layer in a solar cell, with device efficiency of 1.1%.

引用

页码：16723 / 16727

页数：5

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