Mass production of high-quality single-wall carbon nanotubes by H2-N2 arc discharge

被引：33

作者：

Ando, Y ^{[1
]}

Zhao, XL ^{[1
]}

Inoue, S ^{[1
]}

Suzuki, T ^{[1
]}

Kadoya, T ^{[1
]}

机构：

[1] Mejio Univ, Dept Matt Sci & Engn, COE Program Nano Factory 21, Tempaku Ku, Nagoya, Aichi 4688502, Japan

来源：

关键词：

carbon nanotubes; H-2-N-2 arc discharge; optical properties characterization; high-resolution electron microscopy;

D O I：

10.1016/j.diamond.2004.09.011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High-crystalline single-wall carbon nanotubes (SWNTs) have been produced by dc arc discharge evaporation of carbon electrode including I at.% Fe catalyst in H-2-N-2 mixture gas. The yield of as-grown SWNTs reaches higher than 70 at.%, and the form of SWNTs takes like a huge web. Raman scattering studies suggest that the diameter distribution of SWNTs can be controlled by varying the mixing ratio of H-2 and N-2 gas. Moreover, we can easily remove the coexisting Fe catalyst nanoparticles and obtain purified SWNTs. This new method for producing gram order of quantities of high-quality SWNTs will accelerate the studies of physical properties and practical applications of bulky SWNTs. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：729 / 732

页数：4

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