Photosensitized Degradation Activity of Dye by Fe-doped TiO2 Nanocrystals Synthesize via Gas Combustion Flames

doi:10.3724/SP.J.1077.2007.01070

Abstract

Abstract: Fe³⁺ doped TiO₂ nanoparticles were synthesized by diffusion flame method. The activity of Fe-TiO₂ nanoparticles on the photodegradation of RhB was investigated under visible light irradiation. And the photosensitized degradation mechanism was elaborated to demonstrate the improved photocatalytic activity of F-doped TiO₂ nanoparticles. The best of photocatalytic activity of 0.12mol％ Fe³⁺ doped TiO₂ nanoparticles are attributed to the charge-transfer transition from 3d orbital of Fe³⁺ to the conduction band of TiO₂ under visible light irradiation, which can lead to effectively hpotocatalytic reaction.

Key words: flame coumbustion, titanium dioxide, nanocrystals, Fe³⁺ doped, photocatalysis

CLC Number:

0643

ZHAO Yin,LI Chun-Zhong,LIU Xiu-Hong. Photosensitized Degradation Activity of Dye by Fe-doped TiO₂ Nanocrystals
Synthesize via Gas Combustion Flames[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2007.01070.

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Photosensitized Degradation Activity of Dye by Fe-doped TiO₂ Nanocrystals
Synthesize via Gas Combustion Flames

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