Non-covalent functionalization, solubilization of graphene and single-walled carbon nanotubes with aromatic donor and acceptor molecules

被引：54

作者：

Ghosh, Anupama ^{[1
,2
]}

Rao, K. Venkata ^{[1
]}

Voggu, Rakesh ^{[2
]}

George, Subi J. ^{[1
]}

机构：

[1] JNCASR, New Chem Unit, Bangalore 560064, Karnataka, India

[2] JNCASR, Chem & Phys Mat Unit, Bangalore 560064, Karnataka, India

来源：

CHEMICAL PHYSICS LETTERS | 2010年 / 488卷 / 4-6期

关键词：

ELECTRONIC-STRUCTURE; LIQUID-CRYSTALLINE; SHEETS;

D O I：

10.1016/j.cplett.2010.02.021

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：

Non-covalent functionalization, solubilization of graphene and single-walled carbon nanotubes (SWNTs) has been explored in non-polar organic solvents with various electron-donor and -acceptor molecules. Large aromatic surfaces of electron-donor and -acceptor molecules direct them onto the surface of the graphene/SWNTs through pi-pi stacking interactions whereas the alkyl chains as well as the glycol chains on the aromatic molecules promote the solubility, thereby giving stable dispersions of SWNT/graphene composites in non-polar solvents. Composites of graphene and SWNTs with electron-donor and - acceptor showed significant changes in the electronic and Raman spectra which were found to be characteristic of molecular charge-transfer interactions. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：198 / 201

页数：4

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