Synthesis of Multi-Walled Carbon Nanotubes via Flame

被引：0
|
作者：
Wang, Lanjuan [1 ]
Li, Chunzhong [2 ]
Xiao, Jiazhi [1 ]
机构：
[1] China Univ Petr, Coll Chem & Chem Engn, State Key Lab Heavy Oil Proc, Qingdao 266555, Shandong, Peoples R China
[2] East China Univ Sci Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China
来源：
CHEMICAL ENGINEERING | 2010年 / 3卷
关键词：
Nanostructures; Carbon nanotubes; Electron microscopy (TEM); CHEMICAL-VAPOR-DEPOSITION; ETHANOL FLAME; GROWTH; DECOMPOSITION; CATALYSTS;
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Multi-walled carbon nanotubes (MWCNTs) have been prepared using chromic oxide as the catalyst on nickel substrate by a facile flame. Chromic oxide nanoparticles with average diameter of about 8-10 nm formed from the decomposition of chromium nitrate in flame, which catalyzed the anisotropic growth of MWCNTs in situ. The products were characterized by X-ray powder diffraction technique, scanning electron microscopy, Raman spectroscopy and high-resolution microscopy as well as thermogravimetric analysis. The observed MWCNTs have diameters of 10-30 inn and the length is about several micrometers with some defective graphite sheets. The MWCNT formation mechanism was discussed on the base of the TEM observations.
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页码：25 / +
页数：2
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