Preparation and Characterization of Nanometer-sized Magnetic Photocatalyst TiO2/SiO2/Fe3O4

Abstract

Abstract: By using nanometer-sized Fe₃O₄ as support, TiO₂/SiO₂/Fe₃O₄ coated particles were prepared by a sol-gel method. Its structure and morphology were
characterized by XRD, TEM, and element analysis methods. The photocatalytic reactivity of TiO₂/SiO₂/Fe₃O₄ was studied with methyl orange
solution. The results indicate that the TiO₂/SiO₂/Fe₃O₄ two-double coated particles are composed of SiO₂ mesosphere and anatase
TiO₂ crust. The new photocatalyst has not only excellent photocatalytic activity but also good magnetic property that can make the callback easy.

Key words: TiO₂/SiO₂/Fe₃O₄, coating, magnetic, photocatalysis

CLC Number:

O643

LIAO Zhen-Hua,CHEN Jian-Jun,YAO Ke-Fu,ZHAO Fang-Hui,LI Rong-Xian. Preparation and Characterization of Nanometer-sized Magnetic Photocatalyst TiO₂/SiO₂/Fe₃O₄[J]. Journal of Inorganic Materials.

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Preparation and Characterization of Nanometer-sized Magnetic Photocatalyst TiO₂/SiO₂/Fe₃O₄

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