Electrochemistry of the I-on-Pd single-crystal interface: studies by UHV-EC and in situ STM

A single chemisorbed layer of zerovalent I atoms has been found to enhance, at ambient temperatures, the reactivity of palladium electrode surfaces. Three unique reactions (anodic dissolution in non-corrosive electrolyte, regeneration of well-ordered single-crystal surfaces, and "electrochemica...

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Published inSurface science Vol. 335; no. 1-3; pp. 273 - 280
Main Authors Soriaga, M P, Schimpf, J A, Carrasquillo, A Jr, Abreu, J B, Temesghen, W, Barriga, R J, Jeng, J-J, Sashikata, K, Itaya, K
Format Journal Article
LanguageEnglish
Published 12.09.1994
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Summary:A single chemisorbed layer of zerovalent I atoms has been found to enhance, at ambient temperatures, the reactivity of palladium electrode surfaces. Three unique reactions (anodic dissolution in non-corrosive electrolyte, regeneration of well-ordered single-crystal surfaces, and "electrochemical digital etching") have been investigated at Pd(111) and Pd(100) single-crystal electrodes and are described in this paper. Experimental measurements were based upon a combination of electrochemistry (EC), low-energy electron diffraction (LEED), and in situ scanning tunneling microscopy (STM).
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ISSN:0039-6028