Effects of the restructuring of Fe catalyst films on chemical vapor deposition of carbon nanotubes

被引：20

作者：

Liu, Huaping ^{[1
,2
]}

Cheng, Guo-An ^{[1
]}

Zheng, Ruiting ^{[1
]}

Zhao, Yong ^{[1
,3
]}

Liang, Changlin ^{[1
]}

机构：

[1] Beijing Normal Univ, Beijing Radiat Ctr, Inst Low Energy Nucl Phys,Key Lab Radiat Beam Tec, Dept Mat Sci & Engn,Educ Ministry, Beijing 100875, Peoples R China

[2] Tokyo Univ Sci, Dept Phys, Tokyo 1628601, Japan

[3] Nanchang Univ, Dept Phys, Nanchang 330047, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2008年 / 202卷 / 14期

基金：

中国国家自然科学基金;

关键词：

Fe films; restructuring; carbon nanombes; chemical vapor deposition;

D O I：

10.1016/j.surfcoat.2007.11.020

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We investigated the restructuring of Fe catalyst films during high temperature processing and its effects on the morphologies of carbon nanotubes (CNTs) arrays synthesized using the thermal chemical vapor deposition (CVD) techniques. Results show that annealing time and gas environment deeply influence the particle size distribution, which determines the morphologies of the corresponding CNT arrays. Fe particles with narrow size distribution were obtained after proper high temperature processing in NH3, from which higher purity CNT arrays with better-alignment and uniform diameter distribution have been grown. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：3157 / 3163

页数：7

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