Single-wall carbon nanotubes from coal

被引:58
|
作者
Williams, KA
Tachibana, M
Allen, JL
Grigorian, L
Cheng, SC
Fang, SL
Sumanasekera, GU
Loper, AL
Williams, JH
Eklund, PC [1 ]
机构
[1] Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
[2] Yokohama City Univ, Dept Phys, Yokohama, Kanagawa 236, Japan
[3] Gillette Res Inst, Gaithersburg, MD 20879 USA
[4] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
[5] Univ Kentucky, CarboLex Inc, Adv Sci & Technol Commercializat Ctr A020, Lexington, KY 40506 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0009-2614(99)00725-3
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
We demonstrate that single-wall carbon nanotubes (SWNT) can be produced by an are-discharge method using a catalyzed coal carbon source. Characterization by resonant Raman scattering and electron microscopy confirm that this material contains SWNT with properties similar to graphite-derived SWNT. 'Web-like' material from our growth process has an estimated yield of 45 wt.% of carbon as SWNT, while the average chamber yield is approximately 20 wt.% C, as determined by FT-Raman and HRSEM measurements. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:31 / 37
页数:7
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