In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts

Autores
Bosco, Marta Verónica; Bañares, Miguel A.; Martínez Huerta, María V.; Bonivardi, Adrian Lionel; Collins, Sebastián Enrique
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The surface structure and reactivity of vanadia supported on ceria catalysts were studied by Ramanspectroscopy and methanol adsorption and temperature-programmed surface reaction (TPRS) of theadsorbed species monitored in situ by infrared spectroscopy. Monomeric and polymeric vanadia surfacespecies and CeVO4were identified on the catalysts. Methanol adsorption reveled that mostly reducedCe3+sites are present in the surface of the catalysts, produced as a result of the reductive solid reaction ofVOxspecies with the ceria surface. Adsorbed methanol/methoxy decomposed stepwise to formate and,finally, carbonate/carbon dioxide. The reactivity is linked to interphase sites, Ce–O–V, which could favorthe abstraction of hydrogen during the methoxy transformation to formates.
Fil: Bosco, Marta Verónica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina
Fil: Bañares, Miguel A.. Consejo Superior de Investigaciones Cientificas. Instituto de Catálisis y Petroleoquímica; España
Fil: Martínez Huerta, María V.. Consejo Superior de Investigaciones Cientificas. Instituto de Catálisis y Petroleoquímica; España
Fil: Bonivardi, Adrian Lionel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina
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
Materia
Espectroscopia Infrarroja
Ceria
Vanadia
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/10055
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/10055
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 CatalystsBosco, Marta VerónicaBañares, Miguel A.Martínez Huerta, María V.Bonivardi, Adrian LionelCollins, Sebastián EnriqueEspectroscopia InfrarrojaCeriaVanadiahttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1The surface structure and reactivity of vanadia supported on ceria catalysts were studied by Ramanspectroscopy and methanol adsorption and temperature-programmed surface reaction (TPRS) of theadsorbed species monitored in situ by infrared spectroscopy. Monomeric and polymeric vanadia surfacespecies and CeVO4were identified on the catalysts. Methanol adsorption reveled that mostly reducedCe3+sites are present in the surface of the catalysts, produced as a result of the reductive solid reaction ofVOxspecies with the ceria surface. Adsorbed methanol/methoxy decomposed stepwise to formate and,finally, carbonate/carbon dioxide. The reactivity is linked to interphase sites, Ce–O–V, which could favorthe abstraction of hydrogen during the methoxy transformation to formates.Fil: Bosco, Marta Verónica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); ArgentinaFil: Bañares, Miguel A.. Consejo Superior de Investigaciones Cientificas. Instituto de Catálisis y Petroleoquímica; EspañaFil: Martínez Huerta, María V.. Consejo Superior de Investigaciones Cientificas. Instituto de Catálisis y Petroleoquímica; EspañaFil: Bonivardi, Adrian Lionel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); ArgentinaFil: Collins, Sebastián Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); ArgentinaElsevier Science2015-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/10055Bosco, Marta Verónica; Bañares, Miguel A.; Martínez Huerta, María V.; Bonivardi, Adrian Lionel; Collins, Sebastián Enrique; In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts; Elsevier Science; Journal Of Molecular Catalysis A: Chemical; 408; 7-2015; 75-841381-1169enginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.molcata.2015.07.012info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1381116915300236info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-17T11:37:16Zoai:ri.conicet.gov.ar:11336/10055instacron: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:34982025-09-17 11:37:16.737CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts
title In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts
spellingShingle In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts
Bosco, Marta Verónica
Espectroscopia Infrarroja
Ceria
Vanadia
title_short In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts
title_full In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts
title_fullStr In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts
title_full_unstemmed In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts
title_sort In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts
dc.creator.none.fl_str_mv Bosco, Marta Verónica
Bañares, Miguel A.
Martínez Huerta, María V.
Bonivardi, Adrian Lionel
Collins, Sebastián Enrique
author Bosco, Marta Verónica
author_facet Bosco, Marta Verónica
Bañares, Miguel A.
Martínez Huerta, María V.
Bonivardi, Adrian Lionel
Collins, Sebastián Enrique
author_role author
author2 Bañares, Miguel A.
Martínez Huerta, María V.
Bonivardi, Adrian Lionel
Collins, Sebastián Enrique
author2_role author
author
author
author
dc.subject.none.fl_str_mv Espectroscopia Infrarroja
Ceria
Vanadia
topic Espectroscopia Infrarroja
Ceria
Vanadia
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The surface structure and reactivity of vanadia supported on ceria catalysts were studied by Ramanspectroscopy and methanol adsorption and temperature-programmed surface reaction (TPRS) of theadsorbed species monitored in situ by infrared spectroscopy. Monomeric and polymeric vanadia surfacespecies and CeVO4were identified on the catalysts. Methanol adsorption reveled that mostly reducedCe3+sites are present in the surface of the catalysts, produced as a result of the reductive solid reaction ofVOxspecies with the ceria surface. Adsorbed methanol/methoxy decomposed stepwise to formate and,finally, carbonate/carbon dioxide. The reactivity is linked to interphase sites, Ce–O–V, which could favorthe abstraction of hydrogen during the methoxy transformation to formates.
Fil: Bosco, Marta Verónica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina
Fil: Bañares, Miguel A.. Consejo Superior de Investigaciones Cientificas. Instituto de Catálisis y Petroleoquímica; España
Fil: Martínez Huerta, María V.. Consejo Superior de Investigaciones Cientificas. Instituto de Catálisis y Petroleoquímica; España
Fil: Bonivardi, Adrian Lionel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina
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
description The surface structure and reactivity of vanadia supported on ceria catalysts were studied by Ramanspectroscopy and methanol adsorption and temperature-programmed surface reaction (TPRS) of theadsorbed species monitored in situ by infrared spectroscopy. Monomeric and polymeric vanadia surfacespecies and CeVO4were identified on the catalysts. Methanol adsorption reveled that mostly reducedCe3+sites are present in the surface of the catalysts, produced as a result of the reductive solid reaction ofVOxspecies with the ceria surface. Adsorbed methanol/methoxy decomposed stepwise to formate and,finally, carbonate/carbon dioxide. The reactivity is linked to interphase sites, Ce–O–V, which could favorthe abstraction of hydrogen during the methoxy transformation to formates.
publishDate 2015
dc.date.none.fl_str_mv 2015-07
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/11336/10055
Bosco, Marta Verónica; Bañares, Miguel A.; Martínez Huerta, María V.; Bonivardi, Adrian Lionel; Collins, Sebastián Enrique; In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts; Elsevier Science; Journal Of Molecular Catalysis A: Chemical; 408; 7-2015; 75-84
1381-1169
url http://hdl.handle.net/11336/10055
identifier_str_mv Bosco, Marta Verónica; Bañares, Miguel A.; Martínez Huerta, María V.; Bonivardi, Adrian Lionel; Collins, Sebastián Enrique; In situ FTIR and Raman Study on the Distribution and Reactivity of Surface Vanadia Species in V2O5/CeO2 Catalysts; Elsevier Science; Journal Of Molecular Catalysis A: Chemical; 408; 7-2015; 75-84
1381-1169
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.molcata.2015.07.012
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1381116915300236
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
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 13.001348

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