Structure analysis of purified multiwalled carbon nanotubes

被引：50

作者：

Ando, Y

Zhao, X

Shimoyama, H

机构：

[1] Meijo Univ, Dept Phys, Tempaku Ku, Nagoya, Aichi 4688502, Japan

[2] Meijo Univ, Dept Elect & Elect Engn, Tempaku Ku, Nagoya, Aichi 4688502, Japan

来源：

CARBON | 2001年 / 39卷 / 04期

关键词：

carbon nanotubes; arc discharge; scanning electron microscopy (SEM); transmission electron microscopy (TEM); Raman spectroscopy;

D O I：

10.1016/S0008-6223(00)00162-7

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：

High quality multiwalled carbon nanotubes (MWNTs) prepared by hydrogen DC are discharge were purified by infrared irradiation in air at about 500 degreesC. The morphology and nanostructure of the purified MWNTs were investigated by using scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM) and micro-Raman spectroscopy. Each MWNT was highly graphitized and most of the MWNTs had approximate 1.0 nm inner diameter. The radial breathing modes corresponding to the innermost nanotubes were observed in the micro-Raman spectra of the purified MWNTs. The dependence on the incident laser power of Raman-allowed mode, E-2g, and new Raman peak at about 1840 cm(-1) was also studied. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：569 / 574

页数：6

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