Journal
MATERIALS LETTERS
Volume 62, Issue 21-22, Pages 3776-3778Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2008.04.069
Keywords
chemical vapour deposition; nanomaterials; carbon nanotube
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Low cost production of carbon nanofiber and nanotube has been widely studied. Previously, these carbon materials have been synthesized by using chemical vapor deposition. In this letter, the carbon nanomaterials of various morphologies have been produced by using cesium carbonate as a catalyst and acetylene gas (C2H2) as a carbon source via chemical vapor deposition. It was found that the deposited products were mainly carbon nanotubes and nanofibers; at deposition temperatures of 600 and 700 degrees C, respectively. Because the catalysts are water-soluble, they can be removed from the deposited products by simple water-washing instead of using highly concentrated acid for metal catalyst removal. (C) 2008 Elsevier B.V. All rights reserved.
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