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Liquid-Phase Synthesis of Carbon Nanotubes from Alcohols

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Abstract:

Vertically aligned carbon nanotubes (CNTs) were grown on a stainless steel substrate (SUS304) by resistance-heating method in alcohols containing homogeneously dissolved cobaltocene Co(C5H5)2 as a catalyst source. Straight-chain primary alcohols, 1,2-ethanediol and cyclohexanol were used as carbon sources to examine the effects of the molecular structures on the morphology of the aligned CNTs. Methanol brought the best purity and alignment of CNTs of all the alcohols. The CNTs from 1,2-ethanediol was worse in the purity than those from ethanol with the same number of carbon atoms. The CNTs from cyclohexanol had a better purity than those from 1-hexanol. Distinctive features of this method are simple, low cost and a one-step process involving none of vacuum processes and catalyst preparation processes.

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Periodical:

Key Engineering Materials (Volume 350)

Pages:

19-22

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.350.19

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Online since:

October 2007

Authors:

Kiyofumi Yamagiwa, Yuriko Iwao, Masafumi Mikami, Tsuneharu Takeuchi, Morihiro Saito, Jun Kuwano

Keywords:

Alcohol, Aligned, Carbon Nanotube (CN), Resistance Heating, Stainless Steel (SS)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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