We present an experimental study of the electrodeposition of zinc in a thin layer, three‐electrode electrochemical cell. We show that as the steady‐state current‐potential behavior approaches mass transfer limited kinetics, the fractal dimension of the morphology of the deposit converges to the DLA value of
5/3
. We also compare the evolution of the growth patterns with and without supporting electrolyte.
The frequency dispersions of the impedance of smooth and ramified silver deposits, in their oxidized and unoxidized states, were measured. We sought to correlate the constant phase angle exponent with the surface fractal dimension of the deposits, and compare the results with present theories. A monotonic relationship between the two parameters was found. The results agree with theoretical predictions that the functional relationship is insensitive to the dielectric properties of the interface. ) unless CC License in place (see abstract). ecsdl.org/site/terms_use address. Redistribution subject to ECS terms of use (see 157.82.153.40 Downloaded on 2015-05-14 to IP 5 ! ] ! J J J 4 3
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