Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols

Autores
Sieben, Juan Manuel; Comignani, Vanina; Alvarez, Andrea Elizabeth; Duarte, Marta María Elena
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Cu@PteRu coreeshell supported electrocatalysts have been synthesized by a two-step process via a galvanic displacement reaction. XRD diffraction and EDX analysis, and cyclic voltammetry measurements revealed the presence of nanoparticles composed by a Curich PteCu core surrounded by a Pt-rich PteRu shell. Cyclic voltammetry and chronoamperometric measurements showed that as-synthesized coreeshell materials exhibit superior catalytic activity towards methanol and ethanol electro-oxidation compared to a commercial PteRu/C catalyst with higher Pt loading. This behavior can be associated with the lattice mismatch between the Pt-rich shell and the Cu rich core, which in turn produces lattice-strain, surface ligand effects and a large amount of surface defect sites. In addition, the coreeshell electrodes displayed a better catalytic activity and lower onset potentials for ethanol oxidation than for methanol oxidation.
Fil: Sieben, Juan Manuel. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Comignani, Vanina. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Alvarez, Andrea Elizabeth. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Duarte, Marta María Elena. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina
Materia
Core Shell Nanoparticles
Carbon Supported Electrocatalysts
Methanol And Ethanol Electro Oxidation
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/21769
Acceder
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network_acronym_str CONICETDig
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network_name_str CONICET Digital (CONICET)
spelling Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcoholsSieben, Juan ManuelComignani, VaninaAlvarez, Andrea ElizabethDuarte, Marta María ElenaCore Shell NanoparticlesCarbon Supported ElectrocatalystsMethanol And Ethanol Electro Oxidationhttps://purl.org/becyt/ford/2.10https://purl.org/becyt/ford/2https://purl.org/becyt/ford/2.10https://purl.org/becyt/ford/2Cu@PteRu coreeshell supported electrocatalysts have been synthesized by a two-step process via a galvanic displacement reaction. XRD diffraction and EDX analysis, and cyclic voltammetry measurements revealed the presence of nanoparticles composed by a Curich PteCu core surrounded by a Pt-rich PteRu shell. Cyclic voltammetry and chronoamperometric measurements showed that as-synthesized coreeshell materials exhibit superior catalytic activity towards methanol and ethanol electro-oxidation compared to a commercial PteRu/C catalyst with higher Pt loading. This behavior can be associated with the lattice mismatch between the Pt-rich shell and the Cu rich core, which in turn produces lattice-strain, surface ligand effects and a large amount of surface defect sites. In addition, the coreeshell electrodes displayed a better catalytic activity and lower onset potentials for ethanol oxidation than for methanol oxidation.Fil: Sieben, Juan Manuel. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Comignani, Vanina. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Alvarez, Andrea Elizabeth. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Duarte, Marta María Elena. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; ArgentinaElsevier2014-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/21769Sieben, Juan Manuel; Comignani, Vanina; Alvarez, Andrea Elizabeth; Duarte, Marta María Elena; Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols; Elsevier; International Journal of Hydrogen Energy; 39; 16; 5-2014; 8667-86740360-3199CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0360319913029996info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ijhydene.2013.12.064info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:08:37Zoai:ri.conicet.gov.ar:11336/21769instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:08:37.52CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols
title Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols
spellingShingle Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols
Sieben, Juan Manuel
Core Shell Nanoparticles
Carbon Supported Electrocatalysts
Methanol And Ethanol Electro Oxidation
title_short Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols
title_full Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols
title_fullStr Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols
title_full_unstemmed Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols
title_sort Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols
dc.creator.none.fl_str_mv Sieben, Juan Manuel
Comignani, Vanina
Alvarez, Andrea Elizabeth
Duarte, Marta María Elena
author Sieben, Juan Manuel
author_facet Sieben, Juan Manuel
Comignani, Vanina
Alvarez, Andrea Elizabeth
Duarte, Marta María Elena
author_role author
author2 Comignani, Vanina
Alvarez, Andrea Elizabeth
Duarte, Marta María Elena
author2_role author
author
author
dc.subject.none.fl_str_mv Core Shell Nanoparticles
Carbon Supported Electrocatalysts
Methanol And Ethanol Electro Oxidation
topic Core Shell Nanoparticles
Carbon Supported Electrocatalysts
Methanol And Ethanol Electro Oxidation
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.10
https://purl.org/becyt/ford/2
https://purl.org/becyt/ford/2.10
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Cu@PteRu coreeshell supported electrocatalysts have been synthesized by a two-step process via a galvanic displacement reaction. XRD diffraction and EDX analysis, and cyclic voltammetry measurements revealed the presence of nanoparticles composed by a Curich PteCu core surrounded by a Pt-rich PteRu shell. Cyclic voltammetry and chronoamperometric measurements showed that as-synthesized coreeshell materials exhibit superior catalytic activity towards methanol and ethanol electro-oxidation compared to a commercial PteRu/C catalyst with higher Pt loading. This behavior can be associated with the lattice mismatch between the Pt-rich shell and the Cu rich core, which in turn produces lattice-strain, surface ligand effects and a large amount of surface defect sites. In addition, the coreeshell electrodes displayed a better catalytic activity and lower onset potentials for ethanol oxidation than for methanol oxidation.
Fil: Sieben, Juan Manuel. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Comignani, Vanina. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Alvarez, Andrea Elizabeth. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Duarte, Marta María Elena. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina
description Cu@PteRu coreeshell supported electrocatalysts have been synthesized by a two-step process via a galvanic displacement reaction. XRD diffraction and EDX analysis, and cyclic voltammetry measurements revealed the presence of nanoparticles composed by a Curich PteCu core surrounded by a Pt-rich PteRu shell. Cyclic voltammetry and chronoamperometric measurements showed that as-synthesized coreeshell materials exhibit superior catalytic activity towards methanol and ethanol electro-oxidation compared to a commercial PteRu/C catalyst with higher Pt loading. This behavior can be associated with the lattice mismatch between the Pt-rich shell and the Cu rich core, which in turn produces lattice-strain, surface ligand effects and a large amount of surface defect sites. In addition, the coreeshell electrodes displayed a better catalytic activity and lower onset potentials for ethanol oxidation than for methanol oxidation.
publishDate 2014
dc.date.none.fl_str_mv 2014-05
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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://hdl.handle.net/11336/21769
Sieben, Juan Manuel; Comignani, Vanina; Alvarez, Andrea Elizabeth; Duarte, Marta María Elena; Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols; Elsevier; International Journal of Hydrogen Energy; 39; 16; 5-2014; 8667-8674
0360-3199
CONICET Digital
CONICET
url http://hdl.handle.net/11336/21769
identifier_str_mv Sieben, Juan Manuel; Comignani, Vanina; Alvarez, Andrea Elizabeth; Duarte, Marta María Elena; Synthesis and characterization of Cu core Pt–Ru shell nanoparticles for the electro-oxidation of alcohols; Elsevier; International Journal of Hydrogen Energy; 39; 16; 5-2014; 8667-8674
0360-3199
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0360319913029996
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ijhydene.2013.12.064
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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