Branching carbon nanotubes deposited in HFCVD system

被引：45
|
作者：
Gan, B [1 ]
Ahn, J
Zhang, Q
Yoon, SF
Rusli
Huang, QF
Yang, H
Yu, MB
Li, WZ
机构：
[1] Nanyang Technol Univ, Ctr Microelect, Singapore 639798, Singapore
[2] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
来源：
DIAMOND AND RELATED MATERIALS | 2000年 / 9卷 / 3-6期
关键词：
carbon nanotubes; diamond films; micro-Raman spectroscopy; transmission electron microscopy;
D O I：
10.1016/S0925-9635(99)00357-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Branching carbon nanotubes were deposited as a by-product of diamond thick films in a hot filament chemical vapor deposition (HFCVD) system using acetone and hydrogen. The branching nanotubes were observed to be uniformly 'Y' shaped. Electron diffraction pattern (EDP) and Raman scattering analysis showed that the nanotubes were well graphitized. A broadened graphite (0002) diffraction spot in EDP from the nanotube 'Y' junction was also observed as a result of negative curvature surfaces. Energy dispersive X-ray (EDX) analysis indicated that the nanotubes contained a small amount of Cu, which originated from the parts near the hot filaments. The Cu is believed to have acted as a catalyst for the large production of the branching carbon nanotubes. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：897 / 900
页数：4
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