Artículo
Electrosorption of a modified electrode in the vicinity of phase transition: A Monte Carlo study
Fecha de publicación:
03/2018
Editorial:
Elsevier Science
Revista:
Applied Surface Science
ISSN:
0169-4332
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We present a Monte Carlo study for the electrosorption of an electroactive species on a modified electrode. The surface of the electrode is modified by the irreversible adsorption of a non-electroactive species which is able to block a percentage of the adsorption sites. This generates an electrode with variable connectivity sites. A second species, electroactive in this case, is adsorbed in surface vacancies and can interact repulsively with itself. In particular, we are interested in the analysis of the effect of the non-electroactive species near of critical regime, where the c(2 × 2) structure is formed. Lattice-gas models and Monte Carlo simulations in the Gran Canonical Ensemble are used. The analysis conducted is based on the study of voltammograms, order parameters, isotherms, configurational entropy per site, at several values of energies and coverage degrees of the non-electroactive species.
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Articulos(INBIONATEC)
Articulos de INSTITUTO DE BIONANOTECNOLOGIA DEL NOA
Articulos de INSTITUTO DE BIONANOTECNOLOGIA DEL NOA
Citación
Gavilán Arriazu, Edgardo Maximiliano; Pinto, Oscar Alejandro; Electrosorption of a modified electrode in the vicinity of phase transition: A Monte Carlo study; Elsevier Science; Applied Surface Science; 433; 3-2018; 705-712
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