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A novel route for the synthesis of nanocomposite tungsten carbide–cobalt using a biopolymer as a carbon source

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Abstract

A new synthetic route to nanoparticulate tungsten carbide–cobalt is demonstrated, using a sol–gel approach in an aqueous solution containing a biopolymer. On calcination, the biopolymer was found to act both as a source of carbon and also as an anti-sintering, structure-directing template. By keeping the tungsten carbide phase nanoparticulate, the hardness was found to be commensurate with that seen in more traditional ‘heat and beat’ syntheses.

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Authors and Affiliations

  1. Centre for Organized Matter Chemistry, School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, UK

    Michael W. R. Holgate, Thomas Schoberl & Simon R. Hall

  2. Erich Schmid Institute of Materials Science, University of Leoben, Jahnstrasse 12, A, 8700, Leoben, Austria

    Michael W. R. Holgate & Thomas Schoberl

Authors
  1. Michael W. R. Holgate
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  2. Thomas Schoberl
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  3. Simon R. Hall
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Corresponding author

Correspondence to Simon R. Hall.

Additional information

This research was supported by the Royal Society through their University Research Fellowship scheme.

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Holgate, M.W.R., Schoberl, T. & Hall, S.R. A novel route for the synthesis of nanocomposite tungsten carbide–cobalt using a biopolymer as a carbon source. J Sol-Gel Sci Technol 49, 145–149 (2009). https://doi.org/10.1007/s10971-008-1869-y

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  • DOI: https://doi.org/10.1007/s10971-008-1869-y

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