Morphology and growth of electrodeposited silver powder particles
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The effect of overpotential pulsing and periodic current reversal on the morphology of silver powders was investigated using a scanning electron microscope (SEM). It is shown that the profile of pulses or current reversal determines the micromorphology of the electrodeposited silver particles. Generally, three forms of silver were detected: (1) dendrites, (2) equiaxial crystals (independent and/or agglomerates) and (3) rods. The shape of particle seems to be the result of an interplay between the surface energy and growth kinetics. (C) 2006 Elsevier B.V. All rights reserved.
Кључне речи:silver powder / morphology / overpotential pulsing / current reversal
Извор:Hydrometallurgy, 2007, 86, 1-2, 22-26
ISSN: 0304-386X (print)