Preparation and Characterization of Magnetic Photocatalysts TiO2 Loaded with Strontium Ferrite

doi:10.3724/SP.J.1077.2008.00652

Abstract

Abstract: The photocatalyst of TiO₂loaded with strontium ferrite were synthesized via sol-gel technology and characterized by X-ray powder diffraction (XRD), electron microscope (TEM), UV-Vis diffused
reflectance spectroscope (DRS) and vibrating sample magnetometer(VSM). The photocatalytic activities of the samples were evaluated by decolorization of methylene blue(MB) under UV irradiation. The results indicate that the TiO₂ loaded strontium ferrite photocatalyst is responsive to the visible light region according to DRS analysis. It is also found that the composite has good magnetic property. About 99.1％ MB can be removed at the catalyst dosage of 1.5g/L under UV irradiation for 300 min, when the catalyst is loaded with 20％ strontium ferrite.

Key words: strontium ferrite, load, photocatalysis, TiO₂

CLC Number:

O643

CHU Jin-Yu,YU Qi,WU Chun-Du,CAO Chang-Le,LI Ning. Preparation and Characterization of Magnetic Photocatalysts TiO₂ Loaded with Strontium Ferrite[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2008.00652.

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Preparation and Characterization of Magnetic Photocatalysts TiO₂ Loaded with Strontium Ferrite

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