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Photocatalytic activities of NH3-treated titanias modified with other elements

Paper ID Volume ID Publish Year Pages File Format Full-Text
48827 46522 2007 6 PDF Available
Title
Photocatalytic activities of NH3-treated titanias modified with other elements
Abstract

Nanocrystalline titanias were obtained by thermal reaction of titanium tetraisopropoxide in 1,4-butanediol (glycothermal reaction). In this study, titanias modified with various elements (B, Mg, Al, P, Zn, and Ga) were prepared by the glycothermal method. The obtained samples were nitrified and their physical and photocatalytic properties were investigated. Among the six modifiers examined, addition of P was the most effective for photocatalytic decomposition of acetaldehyde under visible-light irradiation. After nitrification and annealing, the P-modified titania showed a strong absorption in the visible region (400–550 nm). It was found that the photocatalytic activity was related to the amount of nitrogen atoms doped in the anatase structure.

Keywords
Visible-light photocatalyst; Nitrogen-doping; Nanocrystals; Glycothermal method
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 70, Issues 1–4, 31 January 2007, Pages 431–436
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
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Any Questions? feel free to contact us