PHOTO-CATALYTIC PROPERTIES OFTiO2–Fe2O3–La2O3NANO-COMPOSITE FILMS

Jing Li, Ming-Ming Yao (), Ying Zhang and Huai Yang
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Jing Li: School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
Ming-Ming Yao: School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
Ying Zhang: School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
Huai Yang: School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

Surface Review and Letters (SRL), 2009, vol. 16, issue 02, 315-321

Abstract: Titanium dioxide dopedFe3+andLa3+nano-composite films were prepared using the sol–gel method. The photo-catalytic properties were evaluated by photo-degradation of methyl orange in solution. Scanning electron microscope, X-ray diffraction, and energy dispersive spectrometer were used to characterize theTiO2film dopedFe3+andLa3+, indicating that the film has nano-structure, and mainly anatase crystal. It is proved that co-dopedFe3+andLa3+can improve significantly the photo-catalytic properties ofTiO2film due to the synergistic effect of the two ions.

Keywords: TiO2; nano-films; sol–gel; co-doped; photo-catalysis (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S0218625X09012652

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