Kinetical study about the cobalt electrodeposition onto polycrystalline platinum

Detalhes bibliográficos
Autor(a) principal: Rios-Reyes,Clara Hilda
Data de Publicação: 2013
Outros Autores: Mendoza-Huizar,Luis Humberto, Reyes-Cruz,Víctor Esteban, Veloz Rodríguez,María Aurora
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Química Nova (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000700010
Resumo: An electrochemical study of Co electrodeposition onto polycrystalline Pt from an aqueous solution containing 10-2 M CoCl2 + 1 M NH4CI (pH = 9.3) was conducted at overpotential conditions. The current density transients showed two maxima that corresponded to two nucleation and growth processes. The entire transient behavior was adequately predicted considering the contribution to the total current of four different processes: a Langmuir-type adsorption process, a diffusion-controlled two-dimensional instantaneous nucleation, and two three-dimensional nucleation and growth processes.
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spelling Kinetical study about the cobalt electrodeposition onto polycrystalline platinumcobaltplatinumkineticsAn electrochemical study of Co electrodeposition onto polycrystalline Pt from an aqueous solution containing 10-2 M CoCl2 + 1 M NH4CI (pH = 9.3) was conducted at overpotential conditions. The current density transients showed two maxima that corresponded to two nucleation and growth processes. The entire transient behavior was adequately predicted considering the contribution to the total current of four different processes: a Langmuir-type adsorption process, a diffusion-controlled two-dimensional instantaneous nucleation, and two three-dimensional nucleation and growth processes.Sociedade Brasileira de Química2013-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000700010Química Nova v.36 n.7 2013reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422013000700010info:eu-repo/semantics/openAccessRios-Reyes,Clara HildaMendoza-Huizar,Luis HumbertoReyes-Cruz,Víctor EstebanVeloz Rodríguez,María Auroraeng2013-09-12T00:00:00Zoai:scielo:S0100-40422013000700010Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2013-09-12T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
title Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
spellingShingle Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
Rios-Reyes,Clara Hilda
cobalt
platinum
kinetics
title_short Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
title_full Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
title_fullStr Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
title_full_unstemmed Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
title_sort Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
author Rios-Reyes,Clara Hilda
author_facet Rios-Reyes,Clara Hilda
Mendoza-Huizar,Luis Humberto
Reyes-Cruz,Víctor Esteban
Veloz Rodríguez,María Aurora
author_role author
author2 Mendoza-Huizar,Luis Humberto
Reyes-Cruz,Víctor Esteban
Veloz Rodríguez,María Aurora
author2_role author
author
author
dc.contributor.author.fl_str_mv Rios-Reyes,Clara Hilda
Mendoza-Huizar,Luis Humberto
Reyes-Cruz,Víctor Esteban
Veloz Rodríguez,María Aurora
dc.subject.por.fl_str_mv cobalt
platinum
kinetics
topic cobalt
platinum
kinetics
description An electrochemical study of Co electrodeposition onto polycrystalline Pt from an aqueous solution containing 10-2 M CoCl2 + 1 M NH4CI (pH = 9.3) was conducted at overpotential conditions. The current density transients showed two maxima that corresponded to two nucleation and growth processes. The entire transient behavior was adequately predicted considering the contribution to the total current of four different processes: a Langmuir-type adsorption process, a diffusion-controlled two-dimensional instantaneous nucleation, and two three-dimensional nucleation and growth processes.
publishDate 2013
dc.date.none.fl_str_mv 2013-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000700010
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000700010
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0100-40422013000700010
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Química Nova v.36 n.7 2013
reponame:Química Nova (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Química Nova (Online)
collection Química Nova (Online)
repository.name.fl_str_mv Química Nova (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv quimicanova@sbq.org.br
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