The formation of anodic sulfide films on tin electrodes
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Data
1990-01-01
Autores
Bidóia, Edério D.
de S. Bulhões, Luis Otávio
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Resumo
The electrodeposition of tin sulfide on polycrystaline tin from alkaline solution has been investigated using cyclic voltammetry. The first anodic peak in the cyclic voltammogram is associated with the deposition of a Sn S monolayer from the adsorption of hydrosulfide on the electrode surface. At more positive potentials there is a second anodic peak related to a SnS2 film over the electrode. The growth of the anodic film has been interpreted by the hopping-motion model for a high field assisted ionic migration process with the rate limiting energy barrier located at the metal/film interface. © 1990.
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anodic films, tin sulfide
Como citar
Corrosion Science, v. 31, n. C, p. 703-708, 1990.