2013
C.H. Rios-Reyes, L.H: Mendoza-Huizar, V. E. Reyes-Cruz and M. A. Veloz-Rodríguez, ?Kinetical study about the cobalt electrodeposition on to polycrystalline platinum?; Química Nova Vol. 33 no. 7 2013, ISSN 0100-4042
Abstract
An electrochemical study of Co electrodeposition onto polycrystalline Pt from an aqueous solution containing 10-2 M CoCl2 + 1 M NH4CI (pH = 9.3) was conducted at overpotential conditions. The current density transients showed two maxima that corresponded to two nucleation and growth processes. The entire transient behavior was adequately predicted considering the contribution to the total current of four different processes: a Langmuir-type adsorption process, a diffusion-controlled two-dimensional instantaneous nucleation, and two three-dimensional nucleation and growth processes.
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