Thionine-mediated chemistry of carbon nanotubes

被引：157

作者：

Li, QW ^{[1
]}

Zhang, J ^{[1
]}

Yan, H ^{[1
]}

He, MS ^{[1
]}

Liu, ZF ^{[1
]}

机构：

[1] Peking Univ, Ctr Nanoscale Sci & Technol, Coll Chem & Mol Engn, Beijing 100871, Peoples R China

来源：

CARBON | 2004年 / 42卷 / 02期

基金：

中国国家自然科学基金;

关键词：

carbon nanotubes; chemical treatment; thermal analysis; adsorption properties;

D O I：

10.1016/j.carbon.2003.10.030

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：

Thionine can be employed as a kind of useful functional molecule for the non-covalent functionalization of carbon nanotubes, as it shows a strong interaction with either SWNTs or MWNTs. Attachment of thionine molecules onto the sidewalls of carbon nanotubes would improve the solubility and lower the thermal stability of original carbon nanotubes. More importantly, it may functionalize the surface of carbon nanotubes with rich NH2 groups and therefore open up more opportunities for the surface chemistry of carbon nanotubes. It has been proved that through the modification of small thionine molecules, other kinds of species such as cytochrome C and TiO2 nanoparticles could be easily and selectively introduced onto the surface of carbon nanotubes. With this approach, SWNTs or MWNTs can be tailored with desired functional structures and properties. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：287 / 291

页数：5

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