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Effect of epimerization of d-glucose on photocatalytic hydrogen generation over Pt/TiO2

Paper ID Volume ID Publish Year Pages File Format Full-Text
50072 46779 2012 5 PDF Available
Title
Effect of epimerization of d-glucose on photocatalytic hydrogen generation over Pt/TiO2
Abstract

Effects of α-d- and β-d-glucose as electron donors on photocatalytic hydrogen generation over Pt/TiO2 have been investigated. α-d-Glucose exhibits better photocatalytic activity for hydrogen evolution than β-d-glucose. The effects of initial pH of the anomer solutions on photocatalytic hydrogen generation have also been studied. Weak basic condition is favorable for the photocatalytic hydrogen generation. There is a large activity difference between α-d- and β-d-glucose under neutral condition, while the difference is very small under basic and acidic conditions. The possible mechanism was discussed.

Graphical abstractα-d-Glucose as an electron donor exhibits better photocatalytic activity for hydrogen evolution than β-d-glucose.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► We investigate effect of epimerization of d-glucose on photocatalytic H2 evolution. ► α-d-glucose exhibits better activity for the H2 evolution than β-d-glucose. ► α-d-glucose exhibits higher reactivity with hydroxyl radical than β-d-glucose.

Keywords
Photocatalysis; Hydrogen generation; α-d-Glucose; β-d-Glucose; α-β Equilibrium
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Effect of epimerization of d-glucose on photocatalytic hydrogen generation over Pt/TiO2
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 18, 10 February 2012, Pages 21–25
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
Online Support
Any Questions? feel free to contact us