A temperature window for the synthesis of single-walled carbon nanotubes by catalytic chemical vapor deposition of CH4 over Mo-Fe/MgO catalyst

被引：6
|
作者：
Ouyang, Y. [1 ]
Chen, L. [1 ]
Liu, Q. X. [2 ]
Fang, Y. [3 ]
机构：
[1] Lin Yi Normal Univ, Dept Phys, Linyi 276005, Peoples R China
[2] Shandong Univ Sci & Technol, Coll Sci, Dept Appl Phys, Jinan 276005, Peoples R China
[3] Capital Normal Univ, Beijing Key Lab Nanophoton & Nanostruct, Beijing 100037, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2008年 / 71卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Single-walled carbon nanotubes; Catalytic chemical vapor deposition; Raman spectroscopy;
D O I：
10.1016/j.saa.2007.12.016
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
A temperature window of single-walled carbon nanotubes (SWCNTs) growth has been studied by Raman spectroscopy. The results presented when temperature lower than 750 degrees C, there were few SWCNTs formed, and when temperature higher than 900 degrees C, mass amorphous carbons were formed in the SWCNTs bundles due to the self-decomposition of CH4. The temperature window of SWCNTs efficiently growth is between 800 and 900 degrees C, and the optimum growth temperature is about 850 degrees C. These results were supported by transmission electron microscope images of samples formed under different temperature. The temperature window is important for large-scale production of SWCNTs by catalytic chemical vapor deposition method. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：317 / 320
页数：4
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