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Efficient decomposition of organic compounds with FeTiO3/TiO2 heterojunction under visible light irradiation

Paper ID Volume ID Publish Year Pages File Format Full-Text
48152 46495 2008 6 PDF Available
Title
Efficient decomposition of organic compounds with FeTiO3/TiO2 heterojunction under visible light irradiation
Abstract

FeTiO3/TiO2, a new heterojunction-type photocatalyst working at visible light, was prepared by a simple sol–gel method. Not only did FeTiO3/TiO2 exhibit greatly enhanced photocatalytic activity in decomposing 2-propanol in gas phase and 4-chlorophenol in aqueous solution, but also it induced efficient mineralization of 2-propanol under visible light irradiation (λ ≥ 420 nm). Furthermore, it showed a good photochemical stability in repeated photocatalytic applications. FeTiO3 showed a profound absorption over the entire visible range, and its valence band (VB) position is close to that of TiO2. The unusually high photocatalytic efficiency of the FeTiO3/TiO2 composite was therefore deduced to be caused by hole transfer between the VB of FeTiO3 and TiO2.

Keywords
Photocatalyst; Visible light; FeTiO3; TiO2; FeTiO3/TiO2; Heterojunction; Decomposition; CO2 evolution
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Efficient decomposition of organic compounds with FeTiO3/TiO2 heterojunction under visible light irradiation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 83, Issues 3–4, 23 September 2008, Pages 202–207
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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