Kinetical study about the cobalt electrodeposition onto polycrystalline platinum
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , |
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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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 |
_version_ |
1750318115074342912 |