Solid state metathesis: synthesis of metal carbides from metal oxides

Artur M. Nartowski; Ivan P. Parkin; Maureen Mackenzie; Alan J. Craven

doi:10.1039/B105352N

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Artur M. Nartowski,^a Ivan P. Parkin,*^a Maureen Mackenzie^b and Alan J. Craven^b

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* Corresponding authors

^a Department of Chemistry, University College London, 20 Gordon Street, London, UK

^b Department of Physics and Astronomy, University of Glasgow, Glasgow, UK

Abstract

Bulk reactions of transition metal oxides (V₂O₃, NaVO₃, Nb₂O₅, LiNbO₃, Ta₂O₅, LiTaO₃, MoO₃, Li₂MoO₄ and Li₂WO₄) with calcium and strontium carbides at 1000 °C for 12 h produce a range of transition metal carbides (V₈C₇, NbC, TaC, Mo₂C and WC) in good yields (ca. 90%). The carbides were characterised by X-ray powder diffraction, scanning electron microscopy (SEM), energy dispersive analysis by X-rays (EDAX), electron probe, FTIR, microelemental analysis, transmission electron microscopy (TEM) and electron diffraction.

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Article information

DOI: https://doi.org/10.1039/B105352N
Article type: Paper
Submitted: 19 Jun 2001
Accepted: 02 Aug 2001
First published: 18 Sep 2001

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J. Mater. Chem., 2001,11, 3116-3119

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