Studies on Photocatalytic Degradation of Rhodamine B on Fe3+-TiO2/SiO2 Coating Film

Abstract

Abstract: Fe³⁺-doped titanium dioxide films coated on silica(Fe³⁺-TiO₂/SiO₂) were prepared by sol-gel method and characterized by means of SEM, Raman and DRS technologies. The activity of the prepared photocatalysts was investigated by the degradation reaction of Rhodamine B radiated with visible light(Xe lamp), and the results indicate that the presence of Fe³⁺ ion in photocatalyst accelerates the degradation reaction rate of Rhodamine B. Moreover, the effects of the pH value and initial concentration of Rhodamine B in solution on the photocatalytic reaction were discussed.

Key words: Fe³⁺-TiO₂/SiO₂ film, Photocatalytic degradation, Rhodamine B

CLC Number:

O643

TrendMD:

WANG Jian-Qiang, XIN Bai-Fu, YU Hai-Tao, REN Zhi-Yu, QU Peng-Fei, FU Hong-Gang . Studies on Photocatalytic Degradation of Rhodamine B on Fe³⁺-TiO₂/SiO₂ Coating Film[J]. Chem. J. Chinese Universities, 2003, 24(6): 1093.

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Studies on Photocatalytic Degradation of Rhodamine B on Fe³⁺-TiO₂/SiO₂ Coating Film

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