Cu UPD at Pt(100) and stepped faces Pt(610), Pt(410) of platinum single crystal electrodes

The processes of adsorption/desorption of copper adatoms on the basal Pt(100) face and stepped Pt(610), Pt(410) surfaces have been studied in perchloric acid solution by cyclic voltammetry. It has been shown that the positions of the Cu stripping peaks are determined by perfection of the adlayer. Th...

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Bibliographic Details
Published in:Russian journal of electrochemistry 2016-09, Vol.52 (9), p.890-900
Main Authors: Molodkina, E. B., Danilov, A. I., Feliu, J. M.
Format: Article
Language:English
Subjects:
Adatoms
Chemistry
Chemistry and Materials Science
Copper
Electrochemical analysis
Electrochemistry
Nanoparticles
Perchloric acid
Physical Chemistry
Platinum
Single crystals
Underpotential deposition
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Summary:The processes of adsorption/desorption of copper adatoms on the basal Pt(100) face and stepped Pt(610), Pt(410) surfaces have been studied in perchloric acid solution by cyclic voltammetry. It has been shown that the positions of the Cu stripping peaks are determined by perfection of the adlayer. The “island” model is suggested to describe electrochemical behavior of the Pt( hkl )+Cu ad system. Obtained results are important for target modification of shape-controlled nanoparticles that are used in electrocatalysis.
ISSN:1023-1935
1608-3342
DOI:10.1134/S1023193515110117