Abstract
The interrelated effects of growth parameters on the electrocrystallization of silver in a silica gel medium have been investigated. The main parameters are current density, medium pH, concentration of the electrolyte and density of the gel. With suitable combinations of parameter values, the different growth forms obtained are: spongy dendritic growth, polycrystalline fibre-like growth, thick plates with overgrowth and rough surfaces, 2D andT3D dendrites with well-facetted single crystals on the sides and edges of the dendrites. The conditions for obtaining different forms of the combinations of cube, octahedron and dodecahedron have been optimized. It has been observed that a slight variation of one of the parameters can change the growth forms profoundly. The dependence of the dedritic incubation time on the electrolyte concentration and current density is also discussed.
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