Rapid growth of well-aligned carbon nanotube arrays

被引:171
作者
Zhang, XF [1 ]
Cao, AY
Wei, BQ
Li, YH
Wei, JQ
Xu, CL
Wu, DH
机构
[1] Tsing Hua Univ, Dept Mech Engn, State Key Lab Auto Safety & Energy, Beijing 100084, Peoples R China
[2] Rensselaer Polytech Inst, Dept Mat Sci & Engn, Troy, NY 12180 USA
关键词
D O I
10.1016/S0009-2614(02)01025-4
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
Vertically aligned carbon nanotube (CNT) arrays with high density were synthesized on quartz substrates in large areas (100 x 40 mm(2)) by catalytic decomposition of a ferrocene-xylene mixture at 850 degreesC in a quartz tube reactor. The nanotubes grow at a high growth rate of similar to50 mun/min, and reach 1.5 mm. in length in 30 min. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) investigations reveal that the nanotubes are high-purity multi-wall CNTs with well-ordered graphene sheets, and about 30-60 nm in diameter. This provides a simple way to synthesize well-aligned CNTs in large areas. A continuous rapid growth model is suggested for the CNTs in high growth rate under our experimental conditions. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:285 / 290
页数:6
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