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Photocatalytic oxidation of methanol using titanium dioxide/single-walled carbon nanotube composite

Dechakiatkrai, C, Chen, J, Lynam, C, Phanichphant, S and Wallace, GG (2007) Photocatalytic oxidation of methanol using titanium dioxide/single-walled carbon nanotube composite JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 154 (5). A407 - A411. ISSN 0013-4651

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Abstract

Titanium dioxide/single-walled carbon nanotube (TiO2/SWNT) composites were prepared for photocatalytic applications. The composites were characterized using UV-visible and Raman spectroscopy, zeta-potential measurements, cyclic voltammetry coupled with a photoreactor, scanning electron microscopy, and transmission electron microscopy coupled with energy dispersive X-ray spectroscopy. The photocatalytic activity of TiO2 and the TiO2/SWNT composite was investigated using the photo-oxidation of methanol in sulfuric acid as supporting electrolyte. The results indicate that the TiO2/SWNT composite enhances the photocatalytic activity compared to TiO2 alone. Electrochemical studies of the TiO2/SWNT composite were also carried out in various supporting electrolytes and the presence of SWNTs was shown to increase the current achieved in voltammetric measurements. (c) 2007 The Electrochemical Society.

Item Type: Article
Uncontrolled Keywords: Science & Technology, Physical Sciences, Technology, Electrochemistry, Materials Science, Coatings & Films, Materials Science, SOL-GEL METHOD, THIN-FILMS, TIO2, SPECTROSCOPY, PHENOL
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Divisions: Faculty of Engineering and Physical Sciences > Chemistry
Depositing User: Symplectic Elements
Date Deposited: 24 Jun 2011 14:46
Last Modified: 08 Nov 2013 12:08
URI: http://epubs.surrey.ac.uk/id/eprint/2964

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