Electrochemical features of Pt(S)[n(110) × (100)] surfaces in acidic media

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Title: Electrochemical features of Pt(S)[n(110) × (100)] surfaces in acidic media
Authors: Souza-Garcia, Janaina | Angelucci, Camilo Andrea | Climent, Victor | Feliu, Juan M.
Research Group/s: Electroquímica de Superficies
Center, Department or Service: Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Instituto Universitario de Electroquímica
Keywords: Platinum single crystal | Pt(110) | Stepped surfaces | Cyclic voltammetry | Potential of zero total charge | Third peak
Knowledge Area: Química Física
Issue Date: Sep-2013
Publisher: Elsevier
Citation: Electrochemistry Communications. 2013, 34: 291-294. doi:10.1016/j.elecom.2013.07.007
Abstract: Experiments have been carried out in sulfuric and perchloric acid solutions on Pt(S)[n(110) × (100)] electrodes. The comparison between the two different electrolytic media reveals an important influence of the anion in the voltammetric features. Total charge curves have been obtained with the CO charge displacement method in combination with voltammetric measurements. From these curves, the dependence of the pztc with the step density and the strength of the anion adsorption have been analyzed. The problem of the so-called third peak is treated for a series of electrodes that contain (110) terraces, revealing the requirement of (110) domains for occurrence of this adsorption state.
Sponsor: Financial support from the MEC (Spain) through project CTQ2010-16271 (Feder) is gratefully acknowledged.
URI: http://hdl.handle.net/10045/38748
ISSN: 1388-2481 (Print) | 1873-1902 (Online)
DOI: 10.1016/j.elecom.2013.07.007
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.elecom.2013.07.007
Appears in Collections:INV - EQSUP - Artículos de Revistas

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