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A novel photocatalyst BiSbO4 for degradation of methylene blue

Paper ID Volume ID Publish Year Pages File Format Full-Text
44364 46019 2006 6 PDF Available
Title
A novel photocatalyst BiSbO4 for degradation of methylene blue
Abstract

BiSbO4 powder was synthesized by a solid state reaction method. The sample was characterized by X-ray diffraction and UV–vis diffuse reflectance spectra. BiSbO4 is an indirect gap material with the intrinsic band gap of 2.75 eV. It possesses a fair activity for visible-light-driven photocatalysis. The results concerning methylene blue photodecomposition generally show that the catalytic efficiency of BiSbO4 is slightly higher than that of rutile-type TiO2 under UV light irradiation. The 3–5 wt% RuO2 sensitization causes about three-time increase in catalytic efficiency. The photocatalytic activity is discussed in close connection with calculated band structure and crystal structure. In this article, the effects of powder concentration and pH value in suspending aqueous solution are also presented.

Keywords
Photocatalyst; BiSbO4; MB
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A novel photocatalyst BiSbO4 for degradation of methylene blue
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 307, Issue 2, 3 July 2006, Pages 257–262
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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