Physical properties of multiwalled carbon nanotubes

被引：203
|
作者：
Ando, Y [1 ]
Zhao, X
Shimoyama, H
Sakai, G
Kaneto, K
机构：
[1] Meijo Univ, Dept Phys, Tempaku Ku, Nagoya, Aichi 4688502, Japan
[2] Meijo Univ, Dept Elect & Elect Engn, Tempaku Ku, Nagoya, Aichi 4088502, Japan
[3] Kyushu Inst Technol, CSE, Fukuoka 8208502, Japan
来源：
INTERNATIONAL JOURNAL OF INORGANIC MATERIALS | 1999年 / 1卷 / 01期
关键词：
fullerenes; electron microscopy; X-ray diffraction; Raman spectroscopy; electron properties;
D O I：
10.1016/S1463-0176(99)00012-5
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Multiwalled carbon nanotubes (MWNTs), which were prepared by hydrogen are discharge, were purified by using an infrared radiation heating system. The morphology, structure, vibrational modes and crystalline perfection of purified MWNTs were investigated by using scanning electron microscopy, high-resolution transmission electron microscopy, an X-ray diffractometer and a Raman spectrometer. Moreover, the electrical conductivity of individual purified MWNTs was measured using a two-probe method using a micro manipulator system. It turned out that the MWNTs had a high degree of graphitization, an electrical conductivity of about 1.85X10(3) S cm(-1) along the long axis, and an enormous current density of more than 10(7) A cm(-2). (C) 1999 Elsevier Science Ltd. All rights reserved.
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收藏
页码：77 / 82
页数：6
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