Paper Title:
Effects of H2O Addition on One-Step Liquid-Phase Synthesis of Highly Aligned Carbon Nanotubes
  Abstract

Highly aligned carbon nanotube arrays (HACNTAs) were synthesized on a stainless steel substrate from a methanol solution of Co(Ⅲ) acetylacetonate by the one-step liquid-phase synthesis, and effects of H2O addition on the HACNTA growth were examined. The growth rate was considerably accelerated, and the lifetime of the catalysts was prolonged by addition of a small amount of H2O. HACNTAs with over 400 m thickness were formed on the side surfaces of the substrate by resistance-heating for one hour. This suggests that the added H2O removes deposited amorphous carbons from the catalyst surfaces and consequently accelerates the growth rate.

  Info
Periodical
Edited by
Shinobu Fujihara and Tadashi Takenaka
Pages
201-204
DOI
10.4028/www.scientific.net/KEM.445.201
Citation
S. Yamashita, T. Kikitsu, Y. Yamaguchi, K. Yamagiwa, J. Kuwano, "Effects of H2O Addition on One-Step Liquid-Phase Synthesis of Highly Aligned Carbon Nanotubes", Key Engineering Materials, Vol. 445, pp. 201-204, 2010
Online since
July 2010
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