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Kinetics of Electrochemical Phase Formation in Two-Dimensional Systems

  • Constanze Donner
Published/Copyright: September 25, 2009
Zeitschrift für Physikalische Chemie
From the journal Volume 220 Issue 3

Summary

The review provides an overview on the modelling concepts of first-order phase transition kinetics for Faradaic and capacitive systems. The basics of homogeneous and heterogeneous nucleation are considered. Special attention is paid to the role of a time-dependent supersaturation.

The whole kinetics in a thermodynamic open system includes transport processes.

They cannot be separated from nucleation and growth processes. Depending on the reaction pathways as well as on the rate-determining steps a line of models is evaluated, which reflect the actual kinetics in a suitable accuracy. The differentiation of the models can be made according to parallel and consecutive pathways.

Parallel reaction pathways occur according to competitive and noncompetitive mechanism.

Consecutive pathways distinguish between surface-diffusion controlled and adsorption controlled kinetics.

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Published Online: 2009-09-25
Published in Print: 2006-03-01

© by Oldenbourg Wissenschaftsverlag, München

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