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Visible-light induced photocatalytic activity of TiO2−xAy (A = N, S) prepared by precipitation route

Paper ID Volume ID Publish Year Pages File Format Full-Text
28739 44089 2006 10 PDF Available
Title
Visible-light induced photocatalytic activity of TiO2−xAy (A = N, S) prepared by precipitation route
Abstract

Nitrogen doped or nitrogen/sulfur co-doped titania photocatalyst TiO2−xAy (A = N, S) which can be excited by visible light were prepared by mixing aqueous TiCl3 solutions with various nitrogen sources such as hydroxylamine (NH2OH), hexamethylenetetramine (HMT, C6H12N4), urea ((NH2)2CO) and thiourea ((NH2)2CS) followed by hydrothermal treatment at 190 °C. The titania powders prepared using hydroxylamine consisted of rutile crystals with non-homogeneous size distribution. The nitrogen doped titania powders prepared using hexamethylenetetramine consisted of mainly mono-size spherical brookite crystals, whereas those using urea and thiourea consisted of belt-like rutile particles. The TiO2−xAy (A = N, S) powders showed excellent visible-light absorption and photocatalytic ability for the oxidative destruction of nitrogen monoxide under irradiation of visible light. The effect of reaction solvents on the phase composition, specific surface area and photocatalytic activity was also characterized.

Keywords
Precipitation route; Anion dope; TiO2; Visible-light induced; Photocatalyst
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Visible-light induced photocatalytic activity of TiO2−xAy (A = N, S) prepared by precipitation route
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 179, Issues 1–2, 1 April 2006, Pages 105–114
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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