Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides
- Autores
- Finos, Gisela; Collins, Sebastián Enrique; Blanco, Ginesa; Del Rio, Eloy; Cíes, José María; Bernal, Serafín; Bonivardi, Adrian Lionel
- Año de publicación
- 2012
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- In order to modified the acid-base properties of pure cerium dioxide, a series of ceria-based oxides doped with gallium(III) cations (from 5 to 50% mol/mol of Ga) was prepared by co-precipitation in basic aqueous solution followed by calcination at 773 K. N 2 physisorption at 77 K showed that mesoporous materials with surface areas between 75 and 104 m 2/g were obtained. Ga(III) cations were incorporated into the ceria crystal structure up to a concentration close to 20-25% mol/mol of Ga, as revealed by powder X-ray diffraction analysis. Surface basicity was investigated using CO 2 chemisorption by mass spectrometry and in situ infrared spectroscopy. A progressive decrease in the surface basicity in the series of ceria-gallia materials was observed as the Ga content increases. Different carbonate and bicarbonate surface species were identified through their vibrational infrared modes. A remarkable decrease in the surface stability of carbonate species, particularly of the polydentate carbonate groups, was detected, which is correlated to the incorporation of gallium(III) into the ceria lattice.
Fil: Finos, Gisela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Collins, Sebastián Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Blanco, Ginesa. Universidad de Cádiz; España
Fil: Del Rio, Eloy. Universidad de Cádiz; España
Fil: Cíes, José María. Universidad de Cádiz; España
Fil: Bernal, Serafín. Universidad de Cádiz; España
Fil: Bonivardi, Adrian Lionel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina - Materia
-
Carbonate Species
Cerium Oxide
Gallium Oxide
Infrared Spectroscopy - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/76423
Ver los metadatos del registro completo
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Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed OxidesFinos, GiselaCollins, Sebastián EnriqueBlanco, GinesaDel Rio, EloyCíes, José MaríaBernal, SerafínBonivardi, Adrian LionelCarbonate SpeciesCerium OxideGallium OxideInfrared Spectroscopyhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1In order to modified the acid-base properties of pure cerium dioxide, a series of ceria-based oxides doped with gallium(III) cations (from 5 to 50% mol/mol of Ga) was prepared by co-precipitation in basic aqueous solution followed by calcination at 773 K. N 2 physisorption at 77 K showed that mesoporous materials with surface areas between 75 and 104 m 2/g were obtained. Ga(III) cations were incorporated into the ceria crystal structure up to a concentration close to 20-25% mol/mol of Ga, as revealed by powder X-ray diffraction analysis. Surface basicity was investigated using CO 2 chemisorption by mass spectrometry and in situ infrared spectroscopy. A progressive decrease in the surface basicity in the series of ceria-gallia materials was observed as the Ga content increases. Different carbonate and bicarbonate surface species were identified through their vibrational infrared modes. A remarkable decrease in the surface stability of carbonate species, particularly of the polydentate carbonate groups, was detected, which is correlated to the incorporation of gallium(III) into the ceria lattice.Fil: Finos, Gisela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaFil: Collins, Sebastián Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaFil: Blanco, Ginesa. Universidad de Cádiz; EspañaFil: Del Rio, Eloy. Universidad de Cádiz; EspañaFil: Cíes, José María. Universidad de Cádiz; EspañaFil: Bernal, Serafín. Universidad de Cádiz; EspañaFil: Bonivardi, Adrian Lionel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaElsevier Science2012-01info: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/11336/76423Finos, Gisela; Collins, Sebastián Enrique; Blanco, Ginesa; Del Rio, Eloy; Cíes, José María; et al.; Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides; Elsevier Science; Catalysis Today; 180; 1; 1-2012; 9-180920-5861CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.cattod.2011.04.054info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:24:47Zoai:ri.conicet.gov.ar:11336/76423instacron: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 10:24:47.539CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides |
title |
Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides |
spellingShingle |
Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides Finos, Gisela Carbonate Species Cerium Oxide Gallium Oxide Infrared Spectroscopy |
title_short |
Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides |
title_full |
Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides |
title_fullStr |
Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides |
title_full_unstemmed |
Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides |
title_sort |
Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides |
dc.creator.none.fl_str_mv |
Finos, Gisela Collins, Sebastián Enrique Blanco, Ginesa Del Rio, Eloy Cíes, José María Bernal, Serafín Bonivardi, Adrian Lionel |
author |
Finos, Gisela |
author_facet |
Finos, Gisela Collins, Sebastián Enrique Blanco, Ginesa Del Rio, Eloy Cíes, José María Bernal, Serafín Bonivardi, Adrian Lionel |
author_role |
author |
author2 |
Collins, Sebastián Enrique Blanco, Ginesa Del Rio, Eloy Cíes, José María Bernal, Serafín Bonivardi, Adrian Lionel |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
Carbonate Species Cerium Oxide Gallium Oxide Infrared Spectroscopy |
topic |
Carbonate Species Cerium Oxide Gallium Oxide Infrared Spectroscopy |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
In order to modified the acid-base properties of pure cerium dioxide, a series of ceria-based oxides doped with gallium(III) cations (from 5 to 50% mol/mol of Ga) was prepared by co-precipitation in basic aqueous solution followed by calcination at 773 K. N 2 physisorption at 77 K showed that mesoporous materials with surface areas between 75 and 104 m 2/g were obtained. Ga(III) cations were incorporated into the ceria crystal structure up to a concentration close to 20-25% mol/mol of Ga, as revealed by powder X-ray diffraction analysis. Surface basicity was investigated using CO 2 chemisorption by mass spectrometry and in situ infrared spectroscopy. A progressive decrease in the surface basicity in the series of ceria-gallia materials was observed as the Ga content increases. Different carbonate and bicarbonate surface species were identified through their vibrational infrared modes. A remarkable decrease in the surface stability of carbonate species, particularly of the polydentate carbonate groups, was detected, which is correlated to the incorporation of gallium(III) into the ceria lattice. Fil: Finos, Gisela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina Fil: Collins, Sebastián Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina Fil: Blanco, Ginesa. Universidad de Cádiz; España Fil: Del Rio, Eloy. Universidad de Cádiz; España Fil: Cíes, José María. Universidad de Cádiz; España Fil: Bernal, Serafín. Universidad de Cádiz; España Fil: Bonivardi, Adrian Lionel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina |
description |
In order to modified the acid-base properties of pure cerium dioxide, a series of ceria-based oxides doped with gallium(III) cations (from 5 to 50% mol/mol of Ga) was prepared by co-precipitation in basic aqueous solution followed by calcination at 773 K. N 2 physisorption at 77 K showed that mesoporous materials with surface areas between 75 and 104 m 2/g were obtained. Ga(III) cations were incorporated into the ceria crystal structure up to a concentration close to 20-25% mol/mol of Ga, as revealed by powder X-ray diffraction analysis. Surface basicity was investigated using CO 2 chemisorption by mass spectrometry and in situ infrared spectroscopy. A progressive decrease in the surface basicity in the series of ceria-gallia materials was observed as the Ga content increases. Different carbonate and bicarbonate surface species were identified through their vibrational infrared modes. A remarkable decrease in the surface stability of carbonate species, particularly of the polydentate carbonate groups, was detected, which is correlated to the incorporation of gallium(III) into the ceria lattice. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-01 |
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/11336/76423 Finos, Gisela; Collins, Sebastián Enrique; Blanco, Ginesa; Del Rio, Eloy; Cíes, José María; et al.; Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides; Elsevier Science; Catalysis Today; 180; 1; 1-2012; 9-18 0920-5861 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/76423 |
identifier_str_mv |
Finos, Gisela; Collins, Sebastián Enrique; Blanco, Ginesa; Del Rio, Eloy; Cíes, José María; et al.; Infrared Spectroscopic Study of the Carbon Dioxide Adsorption on the Surface of Cerium-Gallium Mixed Oxides; Elsevier Science; Catalysis Today; 180; 1; 1-2012; 9-18 0920-5861 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.cattod.2011.04.054 |
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 |
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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13.070432 |