Formation of Y-junction carbon nanotubes by catalytic CVD of methane

被引：16
|
作者：
Chai, Siang-Piao [1 ]
Zein, Sharif Hussein Sharif [1 ]
Mohamed, Abdul Rahman [1 ]
机构：
[1] Univ Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Malaysia
来源：
SOLID STATE COMMUNICATIONS | 2006年 / 140卷 / 05期
关键词：
Y-junction carbon nanotubes; supported metal catalysts; chemical vapor deposition; transmission electron microscopy;
D O I：
10.1016/j.ssc.2006.08.006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Y-junction carbon nanotubes were grown by catalytic CVD of methane at 700 degrees C on NiO-CuO-MoO(7:2:1)(w/w/w)/SiO2 catalyst. For comparison, NiO-CuO(8:2)(w/w)/SiO2 and NiO-MoO(8:2)(w/w)/SiO2 catalysts were tested for carbon nanotube formation. TEM analysis indicates that no Y-junction structures were formed with the latter two catalysts. This finding elucidates why the addition of a small amount of Moo to NiO-CuO/SiO2 catalyst is crucial for enhancing the formation of Y-junction carbon nanotubes. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：248 / 250
页数：3
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