Low-temperature growth of carbon nanotubes by thermal chemical vapor deposition using Pd, Cr, and Pt as co-catalyst

被引:73
作者
Lee, CJ [1 ]
Park, J
Kim, JM
Huh, Y
Lee, JY
No, KS
机构
[1] Kunsan Natl Univ, Sch Elect Engn, Kunsan 573701, South Korea
[2] Korea Univ, Dept Chem, Jochiwon 339700, South Korea
[3] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
关键词
D O I
10.1016/S0009-2614(00)00877-0
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
Palladium (Pd), chromium (Cr), and platinum (Pt) are used as co-catalysts to decrease the growth temperature of carbon nanotubes to 500-550 degrees C. Pd is found to be the most efficient co-catalyst for the growth of carbon nanotubes on cobalt-nickel catalytic particles deposited on a silicon oxide substrate by thermal chemical vapor deposition using C2H2. High-resolution transmission electron microscopy reveals the bamboo-shaped carbon nanotubes grown at 500 degrees C using Pd, while the curled carbon nanofibers are grown at 550 degrees C using Cr. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:277 / 283
页数:7
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