Use of a dynamic Monte Carlo simulation in the study of nucleation-and-growth models for CO electrochemical oxidation

Carol Korzeniewski, Dawn Kardash

Research output: Contribution to journalArticle

41 Scopus citations

Abstract

A dynamic Monte Carlo program CARLOS was employed in studies of phase formation on electrodes. The aim was to improve the understanding of the kinetics of adsorbed CO electrochemical oxidation by identifying relationships between nucleation-and-growth models and mean-field treatments. Initially, the development of a single phase on a surface lattice was investigated. The findings were applied to model adsorbed CO oxidation, which involves changes in two phases. By using different types of fixed oxide nucleation sites and enabling CO diffusion, we made gains in the simulation of current-time transients from potential step measurements of adsorbed CO electrochemical oxidation on surface planes of single-crystal platinum.

Original languageEnglish
Pages (from-to)8663-8671
Number of pages9
JournalJournal of Physical Chemistry B
Volume105
Issue number37
DOIs
StatePublished - Sep 20 2001

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