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  An in-situ STM study of potential-induced changes in the surface topography of Au(100) electrodes

Nichols, R. J., Magnussen, O., Hotlos, J., Twomey, T., Behm, R., & Kolb, D. M. (1990). An in-situ STM study of potential-induced changes in the surface topography of Au(100) electrodes. Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, 290(1-2), 21-31. doi:10.1016/0022-0728(90)87417-I.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-52EE-0 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-52EF-F
Genre: Journal Article

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 Creators:
Nichols, R. J.1, Author           
Magnussen, O.M.2, Author
Hotlos, J.3, Author
Twomey, T.1, Author           
Behm, R.J.3, Author
Kolb, Dieter M.4, Author           
Affiliations:
1Fritz Haber Institute, Max Planck Society, ou_24021              
2Institut für Kristallographie und Mineralogie, Universität München, Theresienstr. 41, D-8000 München 2, F.R.G., ou_persistent22              
3Department of Physical Chemistry and Electrochemistry, Jagellonian University, ul. Karasca 3, PL-30-060 Krakoẃ, Poland, ou_persistent22              
4Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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 Abstract: We have used in-situ STM to study the changes in surface topography occurring on flame-annealed Au(1OO) electrode surfaces, for potential cycles which were limited to the double-layer region and also to potentials of surface oxidation. Even in the former case notable changes in the surface structure occur and it is inferred that anion specific adsorption plays the determining role in such processes. For the first time, STM images are presented of an oxide-covered electrode surface which, for the case of the Au(100) electrode, shows a rough, apparently amorphous form. Images recorded during the initial stages of oxide formation indicate an island-growth mechanism.

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Language(s): eng - English
 Dates: 1990-03-231990-09-10
 Publication Status: Issued
 Pages: 11
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/0022-0728(90)87417-I
 Degree: -

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Title: Journal of Electroanalytical Chemistry and Interfacial Electrochemistry
  Other : J. Electroanal. Chem.
  Other : Journal of Electroanalytical Chemistry and Interfacial Electrochemistry
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: 11 Volume / Issue: 290 (1-2) Sequence Number: - Start / End Page: 21 - 31 Identifier: ISSN: 0022-0728
CoNE: https://pure.mpg.de/cone/journals/resource/954928572675