Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters

Autores
Khanal, Subarna; Spitale, Ana; Bhattarai, Nabraj; Bahena, Daniel; Velazquez Salazar, J. Jesus; Mejia Rosales, Sergio Javier; Mariscal, Marcelo; Yacamán, Miguel Jose
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Highly monodispersed Cu–Pt bimetallic nanoclusters were synthesized by a facile synthesis approach. Analysis of transmission electron microscopy (TEM) and spherical aberration (Cs)-corrected scanning transmission electron microscopy (STEM) images shows that the average diameter of the Cu–Pt nanoclusters is 3.0 ± 1.0 nm. The high angle annular dark field (HAADF-STEM) images, intensity profiles, and energy dispersive X-ray spectroscopy (EDX) line scans, allowed us to study the distribution of Cu and Pt with atomistic resolution, finding that Pt is embedded randomly in the Cu lattice. A novel simulation method is applied to study the growth mechanism, which shows the formation of alloy structures in good agreement with the experimental evidence. The findings give insight into the formation mechanism of the nanosized Cu–Pt bimetallic catalysts.
Fil: Khanal, Subarna. University of Texas at San Antonio; Estados Unidos
Fil: Spitale, Ana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina
Fil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados Unidos
Fil: Bahena, Daniel. University of Texas at San Antonio; Estados Unidos
Fil: Velazquez Salazar, J. Jesus. University of Texas at San Antonio; Estados Unidos
Fil: Mejia Rosales, Sergio Javier. Universidad Autónoma de Nuevo León; México
Fil: Mariscal, Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina
Fil: Yacamán, Miguel Jose. University of Texas at San Antonio; Estados Unidos
Materia
Cu–Pt clusters
energy dispersive X-ray spectroscopy (EDX)
grand-canonical Langevin dynamics
nanoalloys
scanning transmission electron microscopy (STEM)
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:11336/31477
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/31477
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclustersKhanal, SubarnaSpitale, AnaBhattarai, NabrajBahena, DanielVelazquez Salazar, J. JesusMejia Rosales, Sergio JavierMariscal, MarceloYacamán, Miguel JoseCu–Pt clustersenergy dispersive X-ray spectroscopy (EDX)grand-canonical Langevin dynamicsnanoalloysscanning transmission electron microscopy (STEM)https://purl.org/becyt/ford/2.10https://purl.org/becyt/ford/2Highly monodispersed Cu–Pt bimetallic nanoclusters were synthesized by a facile synthesis approach. Analysis of transmission electron microscopy (TEM) and spherical aberration (Cs)-corrected scanning transmission electron microscopy (STEM) images shows that the average diameter of the Cu–Pt nanoclusters is 3.0 ± 1.0 nm. The high angle annular dark field (HAADF-STEM) images, intensity profiles, and energy dispersive X-ray spectroscopy (EDX) line scans, allowed us to study the distribution of Cu and Pt with atomistic resolution, finding that Pt is embedded randomly in the Cu lattice. A novel simulation method is applied to study the growth mechanism, which shows the formation of alloy structures in good agreement with the experimental evidence. The findings give insight into the formation mechanism of the nanosized Cu–Pt bimetallic catalysts.Fil: Khanal, Subarna. University of Texas at San Antonio; Estados UnidosFil: Spitale, Ana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; ArgentinaFil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados UnidosFil: Bahena, Daniel. University of Texas at San Antonio; Estados UnidosFil: Velazquez Salazar, J. Jesus. University of Texas at San Antonio; Estados UnidosFil: Mejia Rosales, Sergio Javier. Universidad Autónoma de Nuevo León; MéxicoFil: Mariscal, Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; ArgentinaFil: Yacamán, Miguel Jose. University of Texas at San Antonio; Estados UnidosBeilstein-Institut zur Förderung der Chemischen Wissenschaften2014-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/31477Yacamán, Miguel Jose; Mariscal, Marcelo; Mejia Rosales, Sergio Javier; Velazquez Salazar, J. Jesus; Bhattarai, Nabraj; Bahena, Daniel; et al.; Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters; Beilstein-Institut zur Förderung der Chemischen Wissenschaften; Beilstein Journal of Nanotechnology; 5; 8-2014; 1371-13792190-42862190-4286CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.3762/bjnano.5.150info:eu-repo/semantics/altIdentifier/url/https://www.beilstein-journals.org/bjnano/articles/5/150info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:18:24Zoai:ri.conicet.gov.ar:11336/31477instacron: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:34982025-09-10 13:18:25.265CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters
title Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters
spellingShingle Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters
Khanal, Subarna
Cu–Pt clusters
energy dispersive X-ray spectroscopy (EDX)
grand-canonical Langevin dynamics
nanoalloys
scanning transmission electron microscopy (STEM)
title_short Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters
title_full Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters
title_fullStr Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters
title_full_unstemmed Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters
title_sort Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters
dc.creator.none.fl_str_mv Khanal, Subarna
Spitale, Ana
Bhattarai, Nabraj
Bahena, Daniel
Velazquez Salazar, J. Jesus
Mejia Rosales, Sergio Javier
Mariscal, Marcelo
Yacamán, Miguel Jose
author Khanal, Subarna
author_facet Khanal, Subarna
Spitale, Ana
Bhattarai, Nabraj
Bahena, Daniel
Velazquez Salazar, J. Jesus
Mejia Rosales, Sergio Javier
Mariscal, Marcelo
Yacamán, Miguel Jose
author_role author
author2 Spitale, Ana
Bhattarai, Nabraj
Bahena, Daniel
Velazquez Salazar, J. Jesus
Mejia Rosales, Sergio Javier
Mariscal, Marcelo
Yacamán, Miguel Jose
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Cu–Pt clusters
energy dispersive X-ray spectroscopy (EDX)
grand-canonical Langevin dynamics
nanoalloys
scanning transmission electron microscopy (STEM)
topic Cu–Pt clusters
energy dispersive X-ray spectroscopy (EDX)
grand-canonical Langevin dynamics
nanoalloys
scanning transmission electron microscopy (STEM)
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.10
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Highly monodispersed Cu–Pt bimetallic nanoclusters were synthesized by a facile synthesis approach. Analysis of transmission electron microscopy (TEM) and spherical aberration (Cs)-corrected scanning transmission electron microscopy (STEM) images shows that the average diameter of the Cu–Pt nanoclusters is 3.0 ± 1.0 nm. The high angle annular dark field (HAADF-STEM) images, intensity profiles, and energy dispersive X-ray spectroscopy (EDX) line scans, allowed us to study the distribution of Cu and Pt with atomistic resolution, finding that Pt is embedded randomly in the Cu lattice. A novel simulation method is applied to study the growth mechanism, which shows the formation of alloy structures in good agreement with the experimental evidence. The findings give insight into the formation mechanism of the nanosized Cu–Pt bimetallic catalysts.
Fil: Khanal, Subarna. University of Texas at San Antonio; Estados Unidos
Fil: Spitale, Ana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina
Fil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados Unidos
Fil: Bahena, Daniel. University of Texas at San Antonio; Estados Unidos
Fil: Velazquez Salazar, J. Jesus. University of Texas at San Antonio; Estados Unidos
Fil: Mejia Rosales, Sergio Javier. Universidad Autónoma de Nuevo León; México
Fil: Mariscal, Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina
Fil: Yacamán, Miguel Jose. University of Texas at San Antonio; Estados Unidos
description Highly monodispersed Cu–Pt bimetallic nanoclusters were synthesized by a facile synthesis approach. Analysis of transmission electron microscopy (TEM) and spherical aberration (Cs)-corrected scanning transmission electron microscopy (STEM) images shows that the average diameter of the Cu–Pt nanoclusters is 3.0 ± 1.0 nm. The high angle annular dark field (HAADF-STEM) images, intensity profiles, and energy dispersive X-ray spectroscopy (EDX) line scans, allowed us to study the distribution of Cu and Pt with atomistic resolution, finding that Pt is embedded randomly in the Cu lattice. A novel simulation method is applied to study the growth mechanism, which shows the formation of alloy structures in good agreement with the experimental evidence. The findings give insight into the formation mechanism of the nanosized Cu–Pt bimetallic catalysts.
publishDate 2014
dc.date.none.fl_str_mv 2014-08
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/11336/31477
Yacamán, Miguel Jose; Mariscal, Marcelo; Mejia Rosales, Sergio Javier; Velazquez Salazar, J. Jesus; Bhattarai, Nabraj; Bahena, Daniel; et al.; Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters; Beilstein-Institut zur Förderung der Chemischen Wissenschaften; Beilstein Journal of Nanotechnology; 5; 8-2014; 1371-1379
2190-4286
2190-4286
CONICET Digital
CONICET
url http://hdl.handle.net/11336/31477
identifier_str_mv Yacamán, Miguel Jose; Mariscal, Marcelo; Mejia Rosales, Sergio Javier; Velazquez Salazar, J. Jesus; Bhattarai, Nabraj; Bahena, Daniel; et al.; Synthesis, characterization, and growth simulations of Cu?Pt bimetallic nanoclusters; Beilstein-Institut zur Förderung der Chemischen Wissenschaften; Beilstein Journal of Nanotechnology; 5; 8-2014; 1371-1379
2190-4286
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.3762/bjnano.5.150
info:eu-repo/semantics/altIdentifier/url/https://www.beilstein-journals.org/bjnano/articles/5/150
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
application/pdf
dc.publisher.none.fl_str_mv Beilstein-Institut zur Förderung der Chemischen Wissenschaften
publisher.none.fl_str_mv Beilstein-Institut zur Förderung der Chemischen Wissenschaften
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 12.48226

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