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Título

Fractional quantum conductance values in Au nanoelectrodes due to hydrogen adsorption

AutorDíaz Muñoz, Marcos ; Martín-González, Marisol S. ; Costa Krämer, José Luis
Palabras claveNanocontact
Gold
Fractional quantum conductance
Electrochemical environment
Hydrogen adsorption
Fecha de publicación16-may-2010
EditorElsevier
CitaciónSurface Science 604 (2010)
ResumenHydrogen adsorption in gold nanocontact electrodes in electrochemical solution is experimentally discerned. This is performed with gold nanocontact conductance histograms in an electrochemical environment in which both the electrochemical potential and the electrolyte type are varied. Different salts, acids, and hydrogen peroxide electrolytes are studied. Salts and acids exhibit at negative electrochemical potentials different fractional quantum conductance histograms peaks associated to extra stable structures due to H adsorption while these peaks do not appear for H2O2 where electron transfer between solution and electrodes occurs without hydrogen formation or hydrogen adsorption on the gold electrode.
Versión del editorhttp://dx.doi.org/10.1016/j.susc.2010.05.003
URIhttp://hdl.handle.net/10261/26025
DOI10.1016/j.susc.2010.05.003
ISSN0039-6028
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