Synthesis of WC nanotubes

Swati Vilas Pol, Vilas Ganpat Pol, Aharon Gedanken

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91 Scopus citations


The synthesis of inorganic tungsten carbide by a solvent and template free approach was analyzed. The low temperature thermal decomposition of W(CO) 6 in the presence of Mg powder was carried out under its autogenic pressure in a closed Swagelok cell to fabricate nanotubes of tungsten carbide. The thermal decomposition of bare W(CO)6 yields a mixture of WO 2, WC, W2C and C, exhibiting the growth tendency of any one of the products. The thermal decomposition of bare W(CO)6 with Na and Mg yields totally different morphological and crystallographic products. To get rid of additional carbon nanotubes in order to achieve 100% WC nanotubes and also to confirm the stability of the WC nanotubes, thermogravimetric analysis of an acid-treated W-CO/Mg sample in an air atmosphere was done.

Original languageEnglish
Pages (from-to)2023-2027
Number of pages5
JournalAdvanced Materials
Issue number15
StatePublished - 4 Aug 2006


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