Nucleation during electrocrystallization of cobalt on glassy carbon (GC)
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A glassy carbon (GC) static disc electrode substrate was employed for both chronoamperometry and to study the morphological growth behaviour of cobalt in sulfate solutions containing 0.10 M and 0.50 M Co2+, at pH 2.5, and 60°C. The effect of potentiostatic pulses on the initial stage of electrodeposition of cobalt is reported. The early stages of metal deposition were found to be controlled by three-dimensional instantaneous nucleation followed by hemispherical growth. The experimental findings for the growth mechanism matched well with the theoretical results and the 3D-growth of cobalt nuclei was confirmed by scanning electron microscopy (SEM).
|Publication Type:||Journal Article|
|Murdoch Affiliation:||School of Mathematical and Physical Sciences|
|Publisher:||Kluwer Academic Publishers|
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