Citation:
YIN Xia, XIANG Jian-Nan, JIAN Li-Xin, HU Bo-Nian. Preparation and Characterization of Fe3+-H Doped TiO2 Photocatalyst and Their Photocatalysis[J]. Chinese Journal of Applied Chemistry,
;2005, 22(6): 634-637.
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A glass-slide was coated with a film of Fe3+-H doped titanium dioxide by sol-gel method and microwave plasma-deposition technique.The film was calcined and an excellent TiO2 photo-catalyst was obtained.It was found that the catalytic activity for the degradation of alizarin red of Fe-H/TiO2 was better than that of Fe-TiO2 under UV light or visible light when the mass percent of Fe3+ doped was 0.1%,and the efficiency of the visible light was increased.The absorption peaks of Fe-H/TiO2 with 0.1% doped-Fe3+ not only were more than that of other TiO2 but also showed red shift.The XRD spectra show that Fe-H/TiO2 with 0.1% doped-Fe3+ obtained separately at 500℃ and 550℃ kept the anatase crystal system and the average size of the anatase crystals were 12.9 nm and 17.3 nm,respectively.
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Keywords:
- titanium dioxide,
- dope,
- photocatalysis,
- ferric ion,
- plasma
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