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One-step preparation of silver and indium oxide co-doped TiO2 photocatalyst for the degradation of rhodamine B

Paper ID Volume ID Publish Year Pages File Format Full-Text
52131 46865 2008 6 PDF Available
Title
One-step preparation of silver and indium oxide co-doped TiO2 photocatalyst for the degradation of rhodamine B
Abstract

A novel co-doped TiO2 photocatalyst, Ag/In2O3–TiO2, was developed through a one-step sol–gel process followed by a solvent thermal treatment in the presence of triblock copolymer surfactant. The product showed very small particle size (12 ± 2 nm) with metallic Ag clusters well-distributed on the surface of the product, at the same time, the product was mainly in the anatase phase with high crystallinity. The photocatalytic activity of Ag/In2O3–TiO2 was evaluated by the degradation of an aqueous solution of dye rhodamine B (RB), and the obtained significantly high photocatalytic activity can be ascribed to the simultaneous effects of doped noble metal Ag by acting as electron traps and semiconductor In2O3 as narrow band gap sensitizer. In addition, the unique morphology and nanosize of the product also played an important role in this enhanced photocatalytic activity.

Keywords
Silver; Indium oxide; Co-doped TiO2; Photocatalysis; Sol–gel; Rhodamine B
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One-step preparation of silver and indium oxide co-doped TiO2 photocatalyst for the degradation of rhodamine B
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 6, 31 March 2008, Pages 1224–1229
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us