Mass-transport-induced kinetic transitions during the electrochemical formation of three-dimensional dendritic silver deposits under ohmic control

The influence of mass transport processes on the growth of three-dimensional dendritic Ag deposits on a Pt quasi-spherical substrate at a relatively large cathodic overpotential has been investigated. After a certain induction time a first stage of dendritic growth of Ag can be observed. The deposit...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Hernández Creus, A., Carro, P., González, S., Bolzan, A. E., Salvarezza, Roberto Carlos, Marchiano, Susana Lucy, Arvia, Alejandro Jorge
Formato: Articulo
Lenguaje:Inglés
Publicado: 1992
Materias:
Ciencias Exactas
Química
Mass transport processes
Dendritic silver deposits
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/122087
https://www.sciencedirect.com/science/article/abs/pii/0022072892802645
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-122087
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Química
Mass transport processes
Dendritic silver deposits
spellingShingle Ciencias Exactas
Química
Mass transport processes
Dendritic silver deposits
Hernández Creus, A.
Carro, P.
González, S.
Bolzan, A. E.
Salvarezza, Roberto Carlos
Marchiano, Susana Lucy
Arvia, Alejandro Jorge
Mass-transport-induced kinetic transitions during the electrochemical formation of three-dimensional dendritic silver deposits under ohmic control
topic_facet Ciencias Exactas
Química
Mass transport processes
Dendritic silver deposits
description The influence of mass transport processes on the growth of three-dimensional dendritic Ag deposits on a Pt quasi-spherical substrate at a relatively large cathodic overpotential has been investigated. After a certain induction time a first stage of dendritic growth of Ag can be observed. The deposit formed at this stage exhibits a fractal surface and non-fractal mass—volume properties. For charge densities greater than a certain critical value, a second stage of growth can be distinguished. At this second stage the contribution of free convection changes the shape of the deposit. The fastest growth of the Ag electrodeposit is determined by the rate of migration of sulphate ions in the electric field. A model accounting for the parametric relationships derived from the experiments is presented.
format Articulo
Articulo
author Hernández Creus, A.
Carro, P.
González, S.
Bolzan, A. E.
Salvarezza, Roberto Carlos
Marchiano, Susana Lucy
Arvia, Alejandro Jorge
author_facet Hernández Creus, A.
Carro, P.
González, S.
Bolzan, A. E.
Salvarezza, Roberto Carlos
Marchiano, Susana Lucy
Arvia, Alejandro Jorge
author_sort Hernández Creus, A.
title Mass-transport-induced kinetic transitions during the electrochemical formation of three-dimensional dendritic silver deposits under ohmic control
title_short Mass-transport-induced kinetic transitions during the electrochemical formation of three-dimensional dendritic silver deposits under ohmic control
title_full Mass-transport-induced kinetic transitions during the electrochemical formation of three-dimensional dendritic silver deposits under ohmic control
title_fullStr Mass-transport-induced kinetic transitions during the electrochemical formation of three-dimensional dendritic silver deposits under ohmic control
title_full_unstemmed Mass-transport-induced kinetic transitions during the electrochemical formation of three-dimensional dendritic silver deposits under ohmic control
title_sort mass-transport-induced kinetic transitions during the electrochemical formation of three-dimensional dendritic silver deposits under ohmic control
publishDate 1992
url http://sedici.unlp.edu.ar/handle/10915/122087
https://www.sciencedirect.com/science/article/abs/pii/0022072892802645
work_keys_str_mv AT hernandezcreusa masstransportinducedkinetictransitionsduringtheelectrochemicalformationofthreedimensionaldendriticsilverdepositsunderohmiccontrol
AT carrop masstransportinducedkinetictransitionsduringtheelectrochemicalformationofthreedimensionaldendriticsilverdepositsunderohmiccontrol
AT gonzalezs masstransportinducedkinetictransitionsduringtheelectrochemicalformationofthreedimensionaldendriticsilverdepositsunderohmiccontrol
AT bolzanae masstransportinducedkinetictransitionsduringtheelectrochemicalformationofthreedimensionaldendriticsilverdepositsunderohmiccontrol
AT salvarezzarobertocarlos masstransportinducedkinetictransitionsduringtheelectrochemicalformationofthreedimensionaldendriticsilverdepositsunderohmiccontrol
AT marchianosusanalucy masstransportinducedkinetictransitionsduringtheelectrochemicalformationofthreedimensionaldendriticsilverdepositsunderohmiccontrol
AT arviaalejandrojorge masstransportinducedkinetictransitionsduringtheelectrochemicalformationofthreedimensionaldendriticsilverdepositsunderohmiccontrol
bdutipo_str Repositorios
_version_ 1764820449437417472

Ejemplares similares