Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria

Autores
Sorbello, Cecilia; Jobbagy, Matias
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Monophasic hexagonal precursors, obeying to the formula Ce1-xLnx(OH)CO3, are introduced herein as versatile precursors for the preparation of Ln(III-IV)-substituted nanocrystalline ceria. To this aim, three hexagonal Ce1-xLnx(OH)CO3 families increasingly substituted with Ln(III) = Sm(III), Gd(III), or Pr(III), were prepared with high (quantitative) precipitation yields. Once Ce1-xLnx(OH)CO3 precursors are submitted to moderate thermal treatment (5 h, 723 K, air atmosphere), the oxidation of Ce(III) centers triggers a single step massive decomposition (dehydroxylation/decarbonation), developing monophasic Ce1-xLnxO2-δ solid solutions with Ln(IV-III) substitutions up to 30%. These binary oxides exhibit large surface areas, up to 130 m2 g-1, even larger than those obtained by means of costly procedures.
Fil: Sorbello, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
Fil: Jobbagy, Matias. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
Materia
Ceria Mixed Oxides
Nanoparticles
Cristalline Precursors
Decomposition
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
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oai:ri.conicet.gov.ar:11336/65327
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted CeriaSorbello, CeciliaJobbagy, MatiasCeria Mixed OxidesNanoparticlesCristalline PrecursorsDecompositionhttps://purl.org/becyt/ford/2.10https://purl.org/becyt/ford/2Monophasic hexagonal precursors, obeying to the formula Ce1-xLnx(OH)CO3, are introduced herein as versatile precursors for the preparation of Ln(III-IV)-substituted nanocrystalline ceria. To this aim, three hexagonal Ce1-xLnx(OH)CO3 families increasingly substituted with Ln(III) = Sm(III), Gd(III), or Pr(III), were prepared with high (quantitative) precipitation yields. Once Ce1-xLnx(OH)CO3 precursors are submitted to moderate thermal treatment (5 h, 723 K, air atmosphere), the oxidation of Ce(III) centers triggers a single step massive decomposition (dehydroxylation/decarbonation), developing monophasic Ce1-xLnxO2-δ solid solutions with Ln(IV-III) substitutions up to 30%. These binary oxides exhibit large surface areas, up to 130 m2 g-1, even larger than those obtained by means of costly procedures.Fil: Sorbello, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; ArgentinaFil: Jobbagy, Matias. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; ArgentinaAmerican Chemical Society2017-11info: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/11336/65327Sorbello, Cecilia; Jobbagy, Matias; Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria; American Chemical Society; Crystal Growth & Design; 17; 11; 11-2017; 5660-56661528-7483CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://pubs.acs.org/doi/abs/10.1021/acs.cgd.7b00491info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.cgd.7b00491info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:47:28Zoai:ri.conicet.gov.ar:11336/65327instacron: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:34982025-10-15 14:47:28.269CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria
title Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria
spellingShingle Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria
Sorbello, Cecilia
Ceria Mixed Oxides
Nanoparticles
Cristalline Precursors
Decomposition
title_short Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria
title_full Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria
title_fullStr Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria
title_full_unstemmed Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria
title_sort Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria
dc.creator.none.fl_str_mv Sorbello, Cecilia
Jobbagy, Matias
author Sorbello, Cecilia
author_facet Sorbello, Cecilia
Jobbagy, Matias
author_role author
author2 Jobbagy, Matias
author2_role author
dc.subject.none.fl_str_mv Ceria Mixed Oxides
Nanoparticles
Cristalline Precursors
Decomposition
topic Ceria Mixed Oxides
Nanoparticles
Cristalline Precursors
Decomposition
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.10
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Monophasic hexagonal precursors, obeying to the formula Ce1-xLnx(OH)CO3, are introduced herein as versatile precursors for the preparation of Ln(III-IV)-substituted nanocrystalline ceria. To this aim, three hexagonal Ce1-xLnx(OH)CO3 families increasingly substituted with Ln(III) = Sm(III), Gd(III), or Pr(III), were prepared with high (quantitative) precipitation yields. Once Ce1-xLnx(OH)CO3 precursors are submitted to moderate thermal treatment (5 h, 723 K, air atmosphere), the oxidation of Ce(III) centers triggers a single step massive decomposition (dehydroxylation/decarbonation), developing monophasic Ce1-xLnxO2-δ solid solutions with Ln(IV-III) substitutions up to 30%. These binary oxides exhibit large surface areas, up to 130 m2 g-1, even larger than those obtained by means of costly procedures.
Fil: Sorbello, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
Fil: Jobbagy, Matias. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
description Monophasic hexagonal precursors, obeying to the formula Ce1-xLnx(OH)CO3, are introduced herein as versatile precursors for the preparation of Ln(III-IV)-substituted nanocrystalline ceria. To this aim, three hexagonal Ce1-xLnx(OH)CO3 families increasingly substituted with Ln(III) = Sm(III), Gd(III), or Pr(III), were prepared with high (quantitative) precipitation yields. Once Ce1-xLnx(OH)CO3 precursors are submitted to moderate thermal treatment (5 h, 723 K, air atmosphere), the oxidation of Ce(III) centers triggers a single step massive decomposition (dehydroxylation/decarbonation), developing monophasic Ce1-xLnxO2-δ solid solutions with Ln(IV-III) substitutions up to 30%. These binary oxides exhibit large surface areas, up to 130 m2 g-1, even larger than those obtained by means of costly procedures.
publishDate 2017
dc.date.none.fl_str_mv 2017-11
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/11336/65327
Sorbello, Cecilia; Jobbagy, Matias; Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria; American Chemical Society; Crystal Growth & Design; 17; 11; 11-2017; 5660-5666
1528-7483
CONICET Digital
CONICET
url http://hdl.handle.net/11336/65327
identifier_str_mv Sorbello, Cecilia; Jobbagy, Matias; Hexagonal Ce1-xLnx(OH)CO3 as Highly Efficient Precursors of Nanocrystalline Ln(III-IV)-Substituted Ceria; American Chemical Society; Crystal Growth & Design; 17; 11; 11-2017; 5660-5666
1528-7483
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://pubs.acs.org/doi/abs/10.1021/acs.cgd.7b00491
info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.cgd.7b00491
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
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score 13.22299

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