Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes

Autores
Gómez, J.; Vásquez, L.; Baró, A. M.; Perdriel, Carlos L.; Arvia, Alejandro Jorge
Año de publicación
1989
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A first attempt to establish a direct correlation between ex situ scanning tunneling microscopy imaging and voltammetric features of gold electrodes is presented. For this purpose gold microelectrodes, either polyfacetted or electrochemically were used. The STM topography of polyfacetted gold micro- electrodes exhibits flat domains and regions with a number of different defects, whereas that of electrofacetted gold presents a parallel ridge-like structure of a few atoms height together with other types of defects. Lead UPD and voltammetric stripping reactions for the O-electrodesorption reactions both in acid solution were selected as test reactions. The correlation between STM topography and voltammetry data supports qualitatively the assignments made for lead UPD peaks resulting on different gold single crystal surfaces.
Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas
Materia
Ciencias Exactas
Química
scanning tunneling microscopy
gold electrodes
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/126545
Acceder
id SEDICI_2e7814b14becdf77f2d70443b3586e81
oai_identifier_str oai:sedici.unlp.edu.ar:10915/126545
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodesGómez, J.Vásquez, L.Baró, A. M.Perdriel, Carlos L.Arvia, Alejandro JorgeCiencias ExactasQuímicascanning tunneling microscopygold electrodesA first attempt to establish a direct correlation between ex situ scanning tunneling microscopy imaging and voltammetric features of gold electrodes is presented. For this purpose gold microelectrodes, either polyfacetted or electrochemically were used. The STM topography of polyfacetted gold micro- electrodes exhibits flat domains and regions with a number of different defects, whereas that of electrofacetted gold presents a parallel ridge-like structure of a few atoms height together with other types of defects. Lead UPD and voltammetric stripping reactions for the O-electrodesorption reactions both in acid solution were selected as test reactions. The correlation between STM topography and voltammetry data supports qualitatively the assignments made for lead UPD peaks resulting on different gold single crystal surfaces.Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas1989-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf619-624http://sedici.unlp.edu.ar/handle/10915/126545enginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/0013468689850042info:eu-repo/semantics/altIdentifier/issn/0013-4686info:eu-repo/semantics/altIdentifier/doi/10.1016/0013-4686(89)85004-2info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-03T11:02:34Zoai:sedici.unlp.edu.ar:10915/126545Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-03 11:02:34.786SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes
title Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes
spellingShingle Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes
Gómez, J.
Ciencias Exactas
Química
scanning tunneling microscopy
gold electrodes
title_short Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes
title_full Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes
title_fullStr Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes
title_full_unstemmed Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes
title_sort Scanning tunneling microscopy and electrochemical response of electrofacetted gold electrodes
dc.creator.none.fl_str_mv Gómez, J.
Vásquez, L.
Baró, A. M.
Perdriel, Carlos L.
Arvia, Alejandro Jorge
author Gómez, J.
author_facet Gómez, J.
Vásquez, L.
Baró, A. M.
Perdriel, Carlos L.
Arvia, Alejandro Jorge
author_role author
author2 Vásquez, L.
Baró, A. M.
Perdriel, Carlos L.
Arvia, Alejandro Jorge
author2_role author
author
author
author
dc.subject.none.fl_str_mv Ciencias Exactas
Química
scanning tunneling microscopy
gold electrodes
topic Ciencias Exactas
Química
scanning tunneling microscopy
gold electrodes
dc.description.none.fl_txt_mv A first attempt to establish a direct correlation between ex situ scanning tunneling microscopy imaging and voltammetric features of gold electrodes is presented. For this purpose gold microelectrodes, either polyfacetted or electrochemically were used. The STM topography of polyfacetted gold micro- electrodes exhibits flat domains and regions with a number of different defects, whereas that of electrofacetted gold presents a parallel ridge-like structure of a few atoms height together with other types of defects. Lead UPD and voltammetric stripping reactions for the O-electrodesorption reactions both in acid solution were selected as test reactions. The correlation between STM topography and voltammetry data supports qualitatively the assignments made for lead UPD peaks resulting on different gold single crystal surfaces.
Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas
description A first attempt to establish a direct correlation between ex situ scanning tunneling microscopy imaging and voltammetric features of gold electrodes is presented. For this purpose gold microelectrodes, either polyfacetted or electrochemically were used. The STM topography of polyfacetted gold micro- electrodes exhibits flat domains and regions with a number of different defects, whereas that of electrofacetted gold presents a parallel ridge-like structure of a few atoms height together with other types of defects. Lead UPD and voltammetric stripping reactions for the O-electrodesorption reactions both in acid solution were selected as test reactions. The correlation between STM topography and voltammetry data supports qualitatively the assignments made for lead UPD peaks resulting on different gold single crystal surfaces.
publishDate 1989
dc.date.none.fl_str_mv 1989-05
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/126545
url http://sedici.unlp.edu.ar/handle/10915/126545
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/0013468689850042
info:eu-repo/semantics/altIdentifier/issn/0013-4686
info:eu-repo/semantics/altIdentifier/doi/10.1016/0013-4686(89)85004-2
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
dc.format.none.fl_str_mv application/pdf
619-624
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 13.13397

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