Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts

Autores
Tinoco, Miguel; Fernández García, Susana; López Haro, Miguel; Hungría, Ana B.; Chen, Xiaowei; Blanco, Ginesa; Pérez Omil, Jose; Collins, Sebastián Enrique; Okuno, Hanako; Calvino, Jose J.
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A partial transformation of the {100} surfaces of ceria nanocubes into a set of nanometer-heighted, {111}- bounded, peaks was achieved by an oxidation treatment at 600°C. This particular type of surface nanostructuration allows the preparation of CeO2 nanoparticles in which {111} nanofacets contribute significantly to their surface crystallography. This transformation of the surface structure plays a key influence on the behavior of ceria as a support of gold catalysts. Thus, the appearance of well-developed {111}-nanofacets leads to a much higher efficiency in the usage of this noble metal in the synthesis of catalysts when prepared by the deposition-precipitation method. Moreover, gold catalysts supported on the surfacereconstructed oxide present an intrinsic (per gold surface atom) CO oxidation activity much higher than that of catalysts prepared on the nontreated oxide.
Fil: Tinoco, Miguel. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Fernández García, Susana. Universidad de Cadiz. Facultad de Ciencias; España
Fil: López Haro, Miguel. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Hungría, Ana B.. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Chen, Xiaowei. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Blanco, Ginesa. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Pérez Omil, Jose. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Collins, Sebastián Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina
Fil: Okuno, Hanako. Grenoble Institute Of Technology; Francia
Fil: Calvino, Jose J.. Universidad de Cadiz. Facultad de Ciencias; España
Materia
Ceria
Gold Catalysis
Transmission Electron Microscopy
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:11336/9950
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold CatalystsTinoco, MiguelFernández García, SusanaLópez Haro, MiguelHungría, Ana B.Chen, XiaoweiBlanco, GinesaPérez Omil, JoseCollins, Sebastián EnriqueOkuno, HanakoCalvino, Jose J.CeriaGold CatalysisTransmission Electron Microscopyhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1A partial transformation of the {100} surfaces of ceria nanocubes into a set of nanometer-heighted, {111}- bounded, peaks was achieved by an oxidation treatment at 600°C. This particular type of surface nanostructuration allows the preparation of CeO2 nanoparticles in which {111} nanofacets contribute significantly to their surface crystallography. This transformation of the surface structure plays a key influence on the behavior of ceria as a support of gold catalysts. Thus, the appearance of well-developed {111}-nanofacets leads to a much higher efficiency in the usage of this noble metal in the synthesis of catalysts when prepared by the deposition-precipitation method. Moreover, gold catalysts supported on the surfacereconstructed oxide present an intrinsic (per gold surface atom) CO oxidation activity much higher than that of catalysts prepared on the nontreated oxide.Fil: Tinoco, Miguel. Universidad de Cadiz. Facultad de Ciencias; EspañaFil: Fernández García, Susana. Universidad de Cadiz. Facultad de Ciencias; EspañaFil: López Haro, Miguel. Universidad de Cadiz. Facultad de Ciencias; EspañaFil: Hungría, Ana B.. Universidad de Cadiz. Facultad de Ciencias; EspañaFil: Chen, Xiaowei. Universidad de Cadiz. Facultad de Ciencias; EspañaFil: Blanco, Ginesa. Universidad de Cadiz. Facultad de Ciencias; EspañaFil: Pérez Omil, Jose. Universidad de Cadiz. Facultad de Ciencias; EspañaFil: Collins, Sebastián Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); ArgentinaFil: Okuno, Hanako. Grenoble Institute Of Technology; FranciaFil: Calvino, Jose J.. Universidad de Cadiz. Facultad de Ciencias; EspañaAmerican Chemical Society2015-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/9950Tinoco, Miguel; Fernández García, Susana; López Haro, Miguel; Hungría, Ana B.; Chen, Xiaowei; et al.; Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts; American Chemical Society; ACS Catalysis; 6; 2016; 5-2015; 3504-35132155-5435enginfo:eu-repo/semantics/altIdentifier/url/http://dx.doi.org/10.1021/acscatal.5b00086info:eu-repo/semantics/altIdentifier/url/http://pubs.acs.org/doi/abs/10.1021/acscatal.5b00086info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:15:26Zoai:ri.conicet.gov.ar:11336/9950instacron: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 10:15:26.324CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts
title Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts
spellingShingle Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts
Tinoco, Miguel
Ceria
Gold Catalysis
Transmission Electron Microscopy
title_short Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts
title_full Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts
title_fullStr Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts
title_full_unstemmed Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts
title_sort Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts
dc.creator.none.fl_str_mv Tinoco, Miguel
Fernández García, Susana
López Haro, Miguel
Hungría, Ana B.
Chen, Xiaowei
Blanco, Ginesa
Pérez Omil, Jose
Collins, Sebastián Enrique
Okuno, Hanako
Calvino, Jose J.
author Tinoco, Miguel
author_facet Tinoco, Miguel
Fernández García, Susana
López Haro, Miguel
Hungría, Ana B.
Chen, Xiaowei
Blanco, Ginesa
Pérez Omil, Jose
Collins, Sebastián Enrique
Okuno, Hanako
Calvino, Jose J.
author_role author
author2 Fernández García, Susana
López Haro, Miguel
Hungría, Ana B.
Chen, Xiaowei
Blanco, Ginesa
Pérez Omil, Jose
Collins, Sebastián Enrique
Okuno, Hanako
Calvino, Jose J.
author2_role author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Ceria
Gold Catalysis
Transmission Electron Microscopy
topic Ceria
Gold Catalysis
Transmission Electron Microscopy
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv A partial transformation of the {100} surfaces of ceria nanocubes into a set of nanometer-heighted, {111}- bounded, peaks was achieved by an oxidation treatment at 600°C. This particular type of surface nanostructuration allows the preparation of CeO2 nanoparticles in which {111} nanofacets contribute significantly to their surface crystallography. This transformation of the surface structure plays a key influence on the behavior of ceria as a support of gold catalysts. Thus, the appearance of well-developed {111}-nanofacets leads to a much higher efficiency in the usage of this noble metal in the synthesis of catalysts when prepared by the deposition-precipitation method. Moreover, gold catalysts supported on the surfacereconstructed oxide present an intrinsic (per gold surface atom) CO oxidation activity much higher than that of catalysts prepared on the nontreated oxide.
Fil: Tinoco, Miguel. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Fernández García, Susana. Universidad de Cadiz. Facultad de Ciencias; España
Fil: López Haro, Miguel. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Hungría, Ana B.. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Chen, Xiaowei. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Blanco, Ginesa. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Pérez Omil, Jose. Universidad de Cadiz. Facultad de Ciencias; España
Fil: Collins, Sebastián Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina
Fil: Okuno, Hanako. Grenoble Institute Of Technology; Francia
Fil: Calvino, Jose J.. Universidad de Cadiz. Facultad de Ciencias; España
description A partial transformation of the {100} surfaces of ceria nanocubes into a set of nanometer-heighted, {111}- bounded, peaks was achieved by an oxidation treatment at 600°C. This particular type of surface nanostructuration allows the preparation of CeO2 nanoparticles in which {111} nanofacets contribute significantly to their surface crystallography. This transformation of the surface structure plays a key influence on the behavior of ceria as a support of gold catalysts. Thus, the appearance of well-developed {111}-nanofacets leads to a much higher efficiency in the usage of this noble metal in the synthesis of catalysts when prepared by the deposition-precipitation method. Moreover, gold catalysts supported on the surfacereconstructed oxide present an intrinsic (per gold surface atom) CO oxidation activity much higher than that of catalysts prepared on the nontreated oxide.
publishDate 2015
dc.date.none.fl_str_mv 2015-05
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/11336/9950
Tinoco, Miguel; Fernández García, Susana; López Haro, Miguel; Hungría, Ana B.; Chen, Xiaowei; et al.; Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts; American Chemical Society; ACS Catalysis; 6; 2016; 5-2015; 3504-3513
2155-5435
url http://hdl.handle.net/11336/9950
identifier_str_mv Tinoco, Miguel; Fernández García, Susana; López Haro, Miguel; Hungría, Ana B.; Chen, Xiaowei; et al.; Critical Influence of Nanofaceting on the Preparation and Performance of Supported Gold Catalysts; American Chemical Society; ACS Catalysis; 6; 2016; 5-2015; 3504-3513
2155-5435
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://dx.doi.org/10.1021/acscatal.5b00086
info:eu-repo/semantics/altIdentifier/url/http://pubs.acs.org/doi/abs/10.1021/acscatal.5b00086
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
dc.publisher.none.fl_str_mv American Chemical Society
publisher.none.fl_str_mv American Chemical Society
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
_version_ 1844614090517905408
score 13.070432

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