Corn-shape carbon nanofibers with dense graphite synthesized by microwave plasma-enhanced chemical vapor deposition

被引：16
|
作者：
Hayashi, Y
Tokunaga, T
Soga, T
Jimbo, T
Yogata, Y
Toh, S
Kaneko, K
机构：
[1] Nagoya Inst Technol, Dept Environm Technol & Urban Planning, Showa Ku, Nagoya, Aichi 4668555, Japan
[2] Kyushu Univ, Dept Mat Sci & Engn, Higashi Ku, Fukuoka 8128581, Japan
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 15期
关键词：
D O I：
10.1063/1.1666998
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Corn-shape carbon nanofibers (CCNFs) with metal-free tips have been synthesized by a microwave plasma-enhanced chemical-vapor deposition method using CH4 and H-2 gasses. The CCNFs were grown on Ni/SiO2/Si and Ni/Mo mesh substrates using a bias-enhanced growth method, and they were analyzed by scanning electron microscopy, transmission electron microscopy, and Raman spectroscopy. The cones are composed of cylindrical pure graphite sheets, and have nanometer-sized tips and roots. The tips' apex angles of CCNFs have cone angles of 20degrees, 39degrees, and 60degrees depending on the growth conditions such as substrate temperature. (C) 2004 American Institute of Physics.
引用
收藏
页码：2886 / 2888
页数：3
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