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Electrocatalytic oxidation of allyl alcohol on Pd and Pd-modified Au electrodes in alkaline solution

Paper ID Volume ID Publish Year Pages File Format Full-Text
40792 45866 2012 5 PDF Available
Title
Electrocatalytic oxidation of allyl alcohol on Pd and Pd-modified Au electrodes in alkaline solution
Abstract

The electrocatalytic oxidation of allyl alcohol on Pd, Au, Pt, and Pd-modified Au electrodes in alkaline solution has been investigated. The Pd-modified Au electrodes with different amounts of the deposited palladium were prepared by reducing palladium chloride using linear sweep voltammetric method. The results of cyclic voltammetric measurements show an advantage of the Pd electrodes in peak potential and an advantage of the Au electrodes in peak current in allyl alcohol oxidation. However, no catalytic activity of the Pt electrodes is observed. Palladium modification results in a significant improvement in the catalytic activity of the Au electrodes. In allyl alcohol oxidation on the Pd-modified Au electrodes, peak potentials are similar to that obtained on the Pd electrodes and peak currents are depending on the amount of the deposited palladium. The results of chronoamperometric measurements show an improved resistance of the Pd-modified Au electrodes to poisoning.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (117 K)Download as PowerPoint slideHighlights► Allyl alcohol shows a high reactivity in electrocatalytic oxidation. ► Palladium modification improves catalytic activity of Au electrodes. ► The activity of Pd-modified Au electrodes is dependent on the palladium loading.

Keywords
Electrocatalytic oxidation; Allyl alcohol; Palladium; Surface modification; Alkaline solution
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Electrocatalytic oxidation of allyl alcohol on Pd and Pd-modified Au electrodes in alkaline solution
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 431–432, 26 July 2012, Pages 57–61
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