Surface properties of fluorinated single-walled carbon nanotubes

被引：160

作者：

Lee, YS ^{[1
]}

Cho, TH

Lee, BK

Rho, JS

An, KH

Lee, YH

机构：

[1] Sunchon Natl Univ, Nanotechnol Ctr, Dept Chem Engn, Sunchon 540742, South Korea

[2] Clemson Univ, Dept Chem Engn, Clemson, SC 29634 USA

[3] Chungnam Natl Univ, Dept Fine Chem Engn, Chungnam 305764, South Korea

[4] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea

来源：

JOURNAL OF FLUORINE CHEMISTRY | 2003年 / 120卷 / 02期

关键词：

fluorination; single walled carbon nanotubes (SWCNTs); X-ray photoelectron spectroscopy (XPS); surface property; transmission electron microscopy (TEM);

D O I：

10.1016/S0022-1139(02)00316-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single-walled carbon nanotubes (SWCNTs) were fluorinated at several different temperatures. The change of atomic and electronic structures of fluorinated SWCNTs was investigated using X-ray photoelectron spectroscopy (XPS), electrical resistivity measurements and transmission electron microscopy (TEM). The amount of doped fluorine increases with increasing doping temperature, and the fluorine atoms are covalently attached to the side-wall of the SWCNTs. From Raman spectra and HRTEM study, the strong fluorination on the SWCNTs leads to the breaking of carbon-carbon bonds and the disintegration of tube structure. Several intermediate phases of fluorinated SWCNTs are observed during e-beam irradiation in HRTEM. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：99 / 104

页数：6

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