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 |
Appears in Collections: | Journal/Magazine Article |
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