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

页码：248 / 250

页数：3

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