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Highly selective photocatalytic reduction of NO2 in air to NO using Cu2+-loaded TiO2 thin films

Paper ID Volume ID Publish Year Pages File Format Full-Text
27748 44041 2009 5 PDF Available
Title
Highly selective photocatalytic reduction of NO2 in air to NO using Cu2+-loaded TiO2 thin films
Abstract

We have discovered that Cu2+-loaded TiO2 films (1.5 μm thick) exhibit a high activity of selective reduction of NO2 to NO in air under UV light illumination (1 mW cm−2). This effect is associated with a reduced NO oxidation to HNO3. For an increasing amount of Cu2+ ions the NO reductions become more stable. Cu2+ ions are responsible for the high redox property, playing an important role in adsorption of NO2/NO2−, electron transfer from the TiO2 to NO2/NO2−, and recombination center for positive holes.

Keywords
TiO2; Photocatalysis; NO2; NO; Reduction; Cu2+
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Highly selective photocatalytic reduction of NO2 in air to NO using Cu2+-loaded TiO2 thin films
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 206, Issue 1, 5 July 2009, Pages 27–31
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