Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26185
Title: Enhanced photoelectrocatalytic performance of polyoxometalate-titania nanocomposite photoanode
Authors: Xie, Y
Zhou, L 
Huang, H 
Keywords: Nanocomposite photo-anode
Photo-electro-catalytic
Polyoxophosphotungstate
Titania nanotube array
Issue Date: 2007
Publisher: Elsevier
Source: Applied catalysis B : environmental, 2007, v. 76, no. 1-2, p. 15-23 How to cite?
Journal: Applied catalysis B : environmental 
Abstract: Polyoxophosphotungstate-incorporated titania/titanium nanocomposite (POPTA-TiO2/Ti) has been developed as a photo-anode for photo-electro-catalytic application. Highly-ordered anatase TiO2 nanotube array with a vertical orientation is synthesized by a controlled anodization plus a post-calcination. Hybrid incorporation is followed by embedding POPTA into TiO2 tubule channels. The morphological characteristics, crystal behavior and chemical structure of POPTA-TiO2 are examined by field emission scanning electron microscopy, X-ray diffraction (XRD), thermogravimetry analysis and Fourier transformed infra-red spectroscopy. Electrochemical properties and photocurrent responses have been investigated by linear sweep voltammetry. Photo-catalytic and photo-electro-catalytic applications for recalcitrant organic pollutant degradation have been investigated to examine photo-electrochemical efficiency and effectiveness of POPTA-TiO2/Ti nanocomposite photo-anode. Electro-generation hydrogen pyroxide (H2O2)-assisted TiO2 photo-electro-catalysis has been also conducted by using dual functional electrodes of a nanotubular POPTA-TiO2/Ti photo-anode and a vitreous carbon cathode for enhanced photo-electrochemical performance.
URI: http://hdl.handle.net/10397/26185
ISSN: 0926-3373
EISSN: 1873-3883
DOI: 10.1016/j.apcatb.2007.05.006
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