Purification and characterization of single-walled carbon nanotubes produced by arc-discharge

被引:4
|
作者
Wang, XQ
Wang, M [1 ]
Li, ZH
Zhu, HB
Wang, FF
机构
[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, Micro Syst Ctr Res & Dev, Hangzhou 310027, Peoples R China
[3] Zhejiang Univ, Dept Mech, Hangzhou 310027, Peoples R China
关键词
single-walled carbon nanotube (SWCNT); microporous membrane; arc-discharge; thermogravimetric analysis (TGA); Raman spectrum;
D O I
10.3866/PKU.WHXB20030510
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
A purification procedure using microporous membrane and oxidation in air for single-walled carbon nanotubes(SWCNTs) prepared by arc-discharge was discussed which eliminated coexisting metal nanoparticles, carbon nanoparticles and other impurities. The characterization of SWCNTs was carried out at different steps of the purification by TGA, HRTEM and Raman spectra. Experiments show that the method we used is effective to purify the SWCNTs produced by arc-discharge, SWCNTs with the purity of more than 90% could be obtained.
引用
收藏
页码:428 / 431
页数:4
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