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PVA(Polyvincyl Acohol)-assisted Hydrothermal Preparation of Bi25FeO40 and Its Photocatalytic Activity

  • Li Jianmin (a1), Juyue Song (a2), Jianguo Chen (a3), Shengwen Yu (a4), Dengren Jin (a5) and Jinrong Cheng (a6)...

Abstract

A PVA-assisted hydrothermal synthesis route was utilized to fabricate single-phase Bi25FeO40 crystallites.X-ray diffraction results indicated that sillenite Bi25FeO40 have been synthesized at the temperature of 200 ℃ using the KOH concentration of 7 M. Scanning electron microscopy showed the morphology of the as-prepared products were cubic shape with side length of 26μm. The band gap of Bi25FeO40 was determined to be 1.8 eV (688 nm) by using UV-vis diffuse reflectance spectroscopy. It was found that Bi25FeO40 exhibited a high photocatalytic activity for the degradation of methyl orange under UV-Vis irradiation, being a potential material for photocatalytic decomposition of organic contaminants.

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Keywords

PVA(Polyvincyl Acohol)-assisted Hydrothermal Preparation of Bi25FeO40 and Its Photocatalytic Activity

  • Li Jianmin (a1), Juyue Song (a2), Jianguo Chen (a3), Shengwen Yu (a4), Dengren Jin (a5) and Jinrong Cheng (a6)...

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