Current transient study of the kinetics of nucleation and diffusion-controlled growth of bimetallic phases

A model to describe the kinetics of nucleation and diffusion-controlled growth of bimetallic phases has been developed, and analytical expressions have been obtained for the elucidation of nucleation kinetics through determination of the number density N 0 of active sites and their nucleation freque...

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Bibliographic Details
Published in:Journal of solid state electrochemistry 2013-02, Vol.17 (2), p.345-351
Main Authors: Díaz-Morales, Oscar, Mostany, Jorge, Borrás, Carlos, Scharifker, Benjamin R.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Electrochemistry
Energy Storage
Original Paper
Physical Chemistry
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Summary:A model to describe the kinetics of nucleation and diffusion-controlled growth of bimetallic phases has been developed, and analytical expressions have been obtained for the elucidation of nucleation kinetics through determination of the number density N 0 of active sites and their nucleation frequency A , from experimental current transients obtained under potentiostatic control. The validity of the model has been demonstrated with the electrodeposition of Ag–Hg phases at two distinct compositions.
ISSN:1432-8488
1433-0768
DOI:10.1007/s10008-012-1881-6