INFLUENCE OF THE SUBSTRATE ENERGY-STATE ON NUCLEATION AND GROWTH-KINETICS - METHODOLOGICAL ASPECTS OF STUDYING THE INITIAL-STAGES OF COPPERELECTROCRYSTALLIZATION ON PLATINUM

The influence of the Pt polycrystalline electrode electrochemical pret reatment on the initial stages of copper electrocrystallization from s ulfate electrolytes was by the methods of potentiostatic current trans ients, cyclic voltammetry, and electron microscopy. It is established that current transients display a number of maxima in the course of co pper deposition on an energy-nonuniform surface. Methodological proble ms are discussed. The experimental data processing is performed in acc ordance with the diffusion model of nuclei growth. It was shown that t his model can be used only for rough estimates of the relative changes in the parameters of copper nucleation.