化学气相沉积法制备大面积定向碳纳米管  

Synthesis of Large Area of Aligned Carbon Nanotube by Chemical Vapor Deposition

作　　者：刘勇[1] 孙晓刚[2] 朱正吼[1] 罗军[1] 

机构地区：[1]南昌大学材料科学与工程学院 [2]南昌大学机电学院,南昌330029

出　　处：《材料导报》2006年第5期120-122,共3页Materials Reports

基　　金：江西省教育厅2005年科研计划项目

摘　　要：以二茂铁、二甲苯、氩气分别为催化剂先驱体、碳源、载气,直径100mm的刚玉管为反应室,石英玻璃为基底,催化热解制备定向碳纳米管。在50 min内,获得长600μm的定向碳纳米管阵列。SEM和TEM研究表明:二茂铁的二甲苯溶液导入反应室的入口温度控制在大约300℃时,能得到定向碳纳米管阵列;当载气流量从500ml/min增加到2000ml/min时,CNTs生长速度加快,长度增加;间歇地滴入二茂铁和二甲苯混合物,可能得到多层碳纳米管薄膜。Large area aligned carbon nanotube are grown on quartz substrates by chemical vapor deposition process. Here we used ferrocene , xylene and argon as the catslyst precursor, carbon source and carrier gas, and used alundum tube as reaction chamber. Aligned carbon nanotubes with height up to 600tan are obtaimed in 50rain. SEM and TEM show that aligned carbon nanotube can be obtained when the outlet temperature of reactive room is about 300＂C. The growth rate and the length of CNTs increase by changing the flow rate of Ar from 500 to 2000ml/min. Multi-layer aligned carbon hat.tubes are obtained as tuning the feedstock of solution of ferrocene-xylerte in interim method.

关 键 词：定向碳纳米管 多壁碳纳米管 化学气相沉积 

分 类 号：TB383[一般工业技术—材料科学与工程] O613.71[理学—无机化学]