Abstract
The copper electrodeposition process was studied under the influence of forced convection conditions, varying the electrode angular speed (ω) with the aid of a rotating disc electrode, using the potential step technique. From the analyses of the experimental current transients it was found that both: the nucleation rate constant (A) and the number density of active sites (N0) for ω > 200 rpm depending on the hydrodynamic conditions imposed. However, the current transient recorded in the 0 < ω < 200 rpm could not be analyzed with any of the theoretical formalisms proposed so far.
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