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Preparation and Characterization of TiO2 Photocatalytic Thin Film and Its Compounds by Micro-Arc Oxidation Technique

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DOI: 10.4236/ampc.2013.38044    2,677 Downloads   4,079 Views   Citations


Mesoporous TiO2 ceramic films have been prepared upon the Ti alloy substrate by the micro-arc oxidation (MAO) technology. To enhance the photo-catalytic property of the films, Eu2O3 particles were added into the electrolyte solution of Na2CO3/Na2SiO3. Scanning electron microscope (SEM), energy dispersive (EDS), X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) are employed to characterize the modified films. Diffuse reflectance spectra (DRS) test, photo-generated current test and photo decomposition test are applied to evaluate the photo-catalytic property of the modified films. The results show that Eu2O3 transformed into one-dimensional (1-D) nano-wires embedded within the composite film, and the film has high photo-catalytic property.


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The authors declare no conflicts of interest.

Cite this paper

Q. Ma, L. Ji, Y. Li, T. Jiang, J. Wang, F. Li, H. Jin and Y. Wang, "Preparation and Characterization of TiO2 Photocatalytic Thin Film and Its Compounds by Micro-Arc Oxidation Technique," Advances in Materials Physics and Chemistry, Vol. 3 No. 8, 2013, pp. 320-326. doi: 10.4236/ampc.2013.38044.


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