首页|Effects of H_2O Addition on One-step Liquid-phase Synthesis of Highly Aligned Carbon Nanotubes
Effects of H_2O Addition on One-step Liquid-phase Synthesis of Highly Aligned Carbon Nanotubes
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NETL
NSTL
Trans Tech Publications Ltd
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 H_2O 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 μm thickness were formed on the side surfaces of the substrate by resistance-heating for one hour. This suggests that the added H_2O removes deposited amorphous carbons from the catalyst surfaces and consequently accelerates the growth rate.
NETL
NSTL
Trans Tech Publications Ltd
