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Photocatalytic evolution of hydrogen and oxygen from ceramic wafers of commercial titanias

Paper ID Volume ID Publish Year Pages File Format Full-Text
26827 43981 2010 5 PDF Available
Title
Photocatalytic evolution of hydrogen and oxygen from ceramic wafers of commercial titanias
Abstract

Several commercial titania photocatalyst powders were formed into thin (ca. 350 μm), 25 mm diameter ceramic wafers, sputter deposited with Pt on one side. The activities of each of the ceramic wafers were tested for hydrogen and oxygen evolution from aqueous sacrificial systems. The commercial sample PC50 (Millennium Chemicals, UK) yielded reproducible ceramic wafers with high activity for water photoreduction. Many of the ceramic wafers displayed low water photo-oxidation activities; however, these were greatly increased with addition of a NiO co-catalyst. In a selected case, hydrogen evolution activity was compared between a PC50 wafer and an identical weight of platinised PC50 powder suspension.

Keywords
TiO2; Ceramic wafer; Water-splitting; Photocatalysis
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Photocatalytic evolution of hydrogen and oxygen from ceramic wafers of commercial titanias
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 216, Issues 2–3, 15 December 2010, Pages 110–114
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