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Lookup NU author(s): Dr Terry Egerton
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This paper reports the preparation of carbon doped TiO2 electrodes by a modification of a sol-gel route. The electrodes have been characterized by measuring their photocurrent, as a function of applied potential. Their photoelectrocatalytic activity, relative to similar sol-gel electrodes without carbon, has been assessed by measuring the decomposition of a 10 mM sodium oxalate solution. Measurements have been made on electrodes prepared with 2%, 5% and 10% of active carbon. The highest photocurrents and the highest photoelectrocatalytic activity were both obtained with electrodes prepared by heating, at 600 °C, electrodes prepared with 5% of active carbon. All the electrodes showed evidence of enhanced photocatalytic activity at 1.2 V. Five percent addition of C double the measured rates of photodegradation, even though, in these preliminary studies, no attempt has been made to optimize the type of carbon or the details of the electrode preparation. © 2005 Elsevier Ltd. All rights reserved.
Author(s): Egerton TA, Janus M, Morawski AW
Publication type: Article
Publication status: Published
Journal: Chemosphere
Year: 2006
Volume: 63
Issue: 7
Pages: 1203-1208
ISSN (print): 0045-6535
ISSN (electronic): 1879-1298
Publisher: Pergamon
URL: http://dx.doi.org/10.1016/j.chemosphere.2005.08.074
DOI: 10.1016/j.chemosphere.2005.08.074
PubMed id: 16337257
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