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The formation of filamentous carbon from decomposition of acetylene over vanadium and molybdenum

✍ Scribed by R.T.K. Baker; J.J. Chludzinski Jr.; N.S. Dudash; A.J. Simoens

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 539 KB
Volume: 21
Category: Article
ISSN: 0008-6223
DOI: 10.1016/0008-6223(83)90138-0

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✦ Synopsis

Controlled atmosphere electron microscopy has been used to investigate the deposition of carbon on vanadium and molybdenum surfaces during the thermal decomposition of acetylene. Both metals were found to be active catalysts for carbon filament formation, whereas the carbides, VC and MO& were found to be inactive. The filament growth kinetics indicates that these structures are produced via the same mechanism as that proposed for the production of filaments from the interaction of hydrocarbons with Fe, Ni and Co. It was also shown that the strength of the metal-support interaction can have a profound effect on the mode by which carbon filaments grow.

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