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Issue 4, 2011
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Ultra-rapid, sustainable and selective synthesis of silicon carbide powders and nanomaterials via microwave heating

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Abstract

Silicon carbide has been synthesised from silicon or silica combined with activated carbon or graphitevia microwave heating over timescales from minutes to seconds without the need for inert atmospheres or subsequent purification. The carbide morphology and phase purity can be controlled by the microwave cavity used and the power applied and hence by the heating rate. Short irradiation times (ca. 5 minutes) in a multimode cavity using activated carbon produce single phase β-SiC nanofibres as small as 5 nm in diameter while large crystallites of α- and β-SiC can obtained in ≪1 minute using high power, single mode cavity microwave techniques.

Graphical abstract: Ultra-rapid, sustainable and selective synthesis of silicon carbide powders and nanomaterials via microwave heating

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Publication details

The article was received on 21 Dec 2010, accepted on 10 Feb 2011 and first published on 07 Mar 2011


Article type: Paper
DOI: 10.1039/C0EE00799D
Citation: Energy Environ. Sci., 2011,4, 1503-1510
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    Ultra-rapid, sustainable and selective synthesis of silicon carbide powders and nanomaterials via microwave heating

    L. Carassiti, A. Jones, P. Harrison, P. S. Dobson, S. Kingman, I. MacLaren and D. H. Gregory, Energy Environ. Sci., 2011, 4, 1503
    DOI: 10.1039/C0EE00799D

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