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Photocatalytic activity of TiO2 and ZnO in the presence of manganese dioxides

Paper ID Volume ID Publish Year Pages File Format Full-Text
52177 46865 2008 5 PDF Available
Title
Photocatalytic activity of TiO2 and ZnO in the presence of manganese dioxides
Abstract

The photocatalytic activity of TiO2 and ZnO in the presence of MnO2, a particulate matter present in natural water and wastewater, has been studied. We found that a trace amount of MnO2 particles deactivated TiO2 photocatalysts, but its effect on the activity of ZnO was negligible. UV–visible diffuse reflectance spectra (DRS) and surface photovoltage spectroscopy (SPS) analysis implied that the interaction of MnO2 with TiO2 and ZnO could change the energetics of these two photocatalysts.

Keywords
TiO2; ZnO; MnO2; Deactivation; Photocatalysis
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Photocatalytic activity of TiO2 and ZnO in the presence of manganese dioxides
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 6, 31 March 2008, Pages 1482–1486
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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