Layered growth of aligned carbon nanotubes arrays on silicon wafers

被引：14

作者：

Liu, HP ^{[1
]}

Cheng, GA ^{[1
]}

Zheng, RT ^{[1
]}

Zhao, Y ^{[1
]}

Liang, CL ^{[1
]}

机构：

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

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2006年 / 247卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

aligned CNTs; chemical vapor deposition; microstructure; ammonia treatment;

D O I：

10.1016/j.molcata.2005.11.027

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Aligned carbon nanotube arrays were synthesized on Fe-coated Si substrates using thermal chemical vapor deposition (TCVD) method by pyrolysis of C2H2 The results show that carbon nanotube arrays with two layers were obtained after growth for 60 min, which were connected to each other through iron catalyst particles. A possible growth model for the layered carbon nanotube arrays is proposed. In addition, the results show that the time of catalyst pretreatment in NH3 affected greatly the morphologies of the layered carbon nanotube arrays and the reason for this was discussed. (c) 2005 Elsevier B.V. All rights reserved.

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页码：52 / 57

页数：6

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