An In Situ Investigation Into Structural Ordering on Silver Surfaces During the Underpotential Deposition of Lead Monolayers Using X-Ray Absorption Spectroscopy Under Conditions of Total External Reflection

The underpotential deposition of a lead monolayer at --0.525V vs. S.C.E. onto a silver polycrystalline thin film in an electrolyte solution of 0.5M sodium acetate, 5 mM lead acetate and 0.01M acetic acid at 20 deg C has been examined in situ using reflectivity EXAFS together with a specially designe...

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Bibliographic Details
Published in:Jpn. J. Appl. Phys. (Japan) 1992-08, Vol.32, p.422-424
Main Authors: Balut, A, Robinson, J, Roberts, K J, Herron, M E, Walsh, F C
Format: Article
Language:English
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Summary:The underpotential deposition of a lead monolayer at --0.525V vs. S.C.E. onto a silver polycrystalline thin film in an electrolyte solution of 0.5M sodium acetate, 5 mM lead acetate and 0.01M acetic acid at 20 deg C has been examined in situ using reflectivity EXAFS together with a specially designed electrochemical cell. The data reveal the existence of an Ag--Pb bond length of 2.58 A.
ISSN:0021-4922