Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study

Autores: Bhattarai, Nabraj; Bhattarai, Nabraj; Khanal, Subarna; Khanal, Subarna; Bahena, Daniel; Bahena, Daniel; Olmos Asar, Jimena Anahí; Olmos Asar, Jimena Anahí; Ponce, Arturo; Ponce, Arturo; Whetten, Robert L.; Whetten, Robert L.; Mariscal, Marcelo; Mariscal, Marcelo; Yacaman, Miguel Jose; Yacaman, Miguel Jose
Año de publicación: 2014
Idioma: inglés
Tipo de recurso: artículo
Estado: versión publicada
Descripción: The structural order in ultrathin films of monolayer protected clusters (MPCs) is important in a number of application areas but can be difficult to demonstrate by conventional methods, particularly when the metallic core dimension, d, is in the intermediate size-range, 1.5 < d < 5.0 nm. Here, improved techniques for the synthesis of monodisperse thiolate-protected gold nanoparticles have made possible the production of dodecane-thiolate saturated ∼4 ± 0.5 nm Au clusters with single-crystal core structure and morphology. An ultrathin ordered film or superlattice of these nanocrystal-core MPCs is prepared and investigated using aberration corrected scanning/transmission electron microscopy (STEM) which allowed imaging of long-range hexagonally ordered superlattices of the nanocrystals, separated by the thiolate groups. The lattice constants determined by direct imaging are in good agreement with those determined by small-angle electron diffraction. The STEM image revealed the characteristic grain boundary (GB) with sigma (Σ) 13 in the interface between two crystals. The formation and structures found are interpreted on the basis of theoretical calculations employing molecular dynamics (MD) simulations and coarse-grained (CG) approach.
The structural order in ultrathin films of monolayer protected clusters (MPCs) is important in a number of application areas but can be difficult to demonstrate by conventional methods, particularly when the metallic core dimension, d, is in the intermediate size-range, 1.5 < d < 5.0 nm. Here, improved techniques for the synthesis of monodisperse thiolate-protected gold nanoparticles have made possible the production of dodecane-thiolate saturated ∼4 ± 0.5 nm Au clusters with single-crystal core structure and morphology. An ultrathin ordered film or superlattice of these nanocrystal-core MPCs is prepared and investigated using aberration corrected scanning/transmission electron microscopy (STEM) which allowed imaging of long-range hexagonally ordered superlattices of the nanocrystals, separated by the thiolate groups. The lattice constants determined by direct imaging are in good agreement with those determined by small-angle electron diffraction. The STEM image revealed the characteristic grain boundary (GB) with sigma (Σ) 13 in the interface between two crystals. The formation and structures found are interpreted on the basis of theoretical calculations employing molecular dynamics (MD) simulations and coarse-grained (CG) approach.
Fil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados Unidos
Fil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados Unidos
Fil: Khanal, Subarna. University of Texas at San Antonio; Estados Unidos
Fil: Khanal, Subarna. University of Texas at San Antonio; Estados Unidos
Fil: Bahena, Daniel. University of Texas at San Antonio; Estados Unidos
Fil: Bahena, Daniel. University of Texas at San Antonio; Estados Unidos
Fil: Olmos Asar, Jimena Anahí. 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. Università degli Studi di Trieste; Italia
Fil: Olmos Asar, Jimena Anahí. 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. Università degli Studi di Trieste; Italia
Fil: Ponce, Arturo. University of Texas at San Antonio; Estados Unidos
Fil: Ponce, Arturo. University of Texas at San Antonio; Estados Unidos
Fil: Whetten, Robert L.. University of Texas at San Antonio; Estados Unidos
Fil: Whetten, Robert L.. University of Texas at San Antonio; Estados Unidos
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: 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: Yacaman, Miguel Jose. University of Texas at San Antonio; Estados Unidos
Fil: Yacaman, Miguel Jose. University of Texas at San Antonio; Estados Unidos
Materia: Monolayer Protected Clusters
Monolayer Protected Clusters
Gold Nanocrystals
Gold Nanocrystals
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:11336/31619

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spelling	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical studyStructural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical studyBhattarai, NabrajBhattarai, NabrajKhanal, SubarnaKhanal, SubarnaBahena, DanielBahena, DanielOlmos Asar, Jimena AnahíOlmos Asar, Jimena AnahíPonce, ArturoPonce, ArturoWhetten, Robert L.Whetten, Robert L.Mariscal, MarceloMariscal, MarceloYacaman, Miguel JoseYacaman, Miguel JoseMonolayer Protected ClustersMonolayer Protected ClustersGold NanocrystalsGold Nanocrystalshttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1The structural order in ultrathin films of monolayer protected clusters (MPCs) is important in a number of application areas but can be difficult to demonstrate by conventional methods, particularly when the metallic core dimension, d, is in the intermediate size-range, 1.5 < d < 5.0 nm. Here, improved techniques for the synthesis of monodisperse thiolate-protected gold nanoparticles have made possible the production of dodecane-thiolate saturated ∼4 ± 0.5 nm Au clusters with single-crystal core structure and morphology. An ultrathin ordered film or superlattice of these nanocrystal-core MPCs is prepared and investigated using aberration corrected scanning/transmission electron microscopy (STEM) which allowed imaging of long-range hexagonally ordered superlattices of the nanocrystals, separated by the thiolate groups. The lattice constants determined by direct imaging are in good agreement with those determined by small-angle electron diffraction. The STEM image revealed the characteristic grain boundary (GB) with sigma (Σ) 13 in the interface between two crystals. The formation and structures found are interpreted on the basis of theoretical calculations employing molecular dynamics (MD) simulations and coarse-grained (CG) approach.The structural order in ultrathin films of monolayer protected clusters (MPCs) is important in a number of application areas but can be difficult to demonstrate by conventional methods, particularly when the metallic core dimension, d, is in the intermediate size-range, 1.5 < d < 5.0 nm. Here, improved techniques for the synthesis of monodisperse thiolate-protected gold nanoparticles have made possible the production of dodecane-thiolate saturated ∼4 ± 0.5 nm Au clusters with single-crystal core structure and morphology. An ultrathin ordered film or superlattice of these nanocrystal-core MPCs is prepared and investigated using aberration corrected scanning/transmission electron microscopy (STEM) which allowed imaging of long-range hexagonally ordered superlattices of the nanocrystals, separated by the thiolate groups. The lattice constants determined by direct imaging are in good agreement with those determined by small-angle electron diffraction. The STEM image revealed the characteristic grain boundary (GB) with sigma (Σ) 13 in the interface between two crystals. The formation and structures found are interpreted on the basis of theoretical calculations employing molecular dynamics (MD) simulations and coarse-grained (CG) approach.Fil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados UnidosFil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados UnidosFil: Khanal, Subarna. University of Texas at San Antonio; Estados UnidosFil: Khanal, Subarna. University of Texas at San Antonio; Estados UnidosFil: Bahena, Daniel. University of Texas at San Antonio; Estados UnidosFil: Bahena, Daniel. University of Texas at San Antonio; Estados UnidosFil: Olmos Asar, Jimena Anahí. 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. Università degli Studi di Trieste; ItaliaFil: Olmos Asar, Jimena Anahí. 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. Università degli Studi di Trieste; ItaliaFil: Ponce, Arturo. University of Texas at San Antonio; Estados UnidosFil: Ponce, Arturo. University of Texas at San Antonio; Estados UnidosFil: Whetten, Robert L.. University of Texas at San Antonio; Estados UnidosFil: Whetten, Robert L.. University of Texas at San Antonio; Estados UnidosFil: 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: 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: Yacaman, Miguel Jose. University of Texas at San Antonio; Estados UnidosFil: Yacaman, Miguel Jose. University of Texas at San Antonio; Estados UnidosRoyal Society of Chemistry2014-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/31619Bhattarai, Nabraj; Bhattarai, Nabraj; Khanal, Subarna; Khanal, Subarna; Bahena, Daniel; et al.; Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study; Royal Society of Chemistry; Physical Chemistry Chemical Physics; 16; 34; 5-2014; 18098-181041463-9076CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1039/c4cp01612binfo:eu-repo/semantics/altIdentifier/doi/10.1039/c4cp01612binfo:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2014/CP/C4CP01612Binfo:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2014/CP/C4CP01612Binfo:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4128557/info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:58:20Zoai:ri.conicet.gov.ar:11336/31619instacron: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:34982025-09-03 09:58:21.101CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study
title	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study
spellingShingle	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study Bhattarai, Nabraj Monolayer Protected Clusters Monolayer Protected Clusters Gold Nanocrystals Gold Nanocrystals
title_short	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study
title_full	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study
title_fullStr	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study
title_full_unstemmed	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study
title_sort	Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study
dc.creator.none.fl_str_mv	Bhattarai, Nabraj Bhattarai, Nabraj Khanal, Subarna Khanal, Subarna Bahena, Daniel Bahena, Daniel Olmos Asar, Jimena Anahí Olmos Asar, Jimena Anahí Ponce, Arturo Ponce, Arturo Whetten, Robert L. Whetten, Robert L. Mariscal, Marcelo Mariscal, Marcelo Yacaman, Miguel Jose Yacaman, Miguel Jose
author	Bhattarai, Nabraj
author_facet	Bhattarai, Nabraj Khanal, Subarna Bahena, Daniel Olmos Asar, Jimena Anahí Ponce, Arturo Whetten, Robert L. Mariscal, Marcelo Yacaman, Miguel Jose
author_role	author
author2	Khanal, Subarna Bahena, Daniel Olmos Asar, Jimena Anahí Ponce, Arturo Whetten, Robert L. Mariscal, Marcelo Yacaman, Miguel Jose
author2_role	author author author author author author author
dc.subject.none.fl_str_mv	Monolayer Protected Clusters Monolayer Protected Clusters Gold Nanocrystals Gold Nanocrystals
topic	Monolayer Protected Clusters Monolayer Protected Clusters Gold Nanocrystals Gold Nanocrystals
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 structural order in ultrathin films of monolayer protected clusters (MPCs) is important in a number of application areas but can be difficult to demonstrate by conventional methods, particularly when the metallic core dimension, d, is in the intermediate size-range, 1.5 < d < 5.0 nm. Here, improved techniques for the synthesis of monodisperse thiolate-protected gold nanoparticles have made possible the production of dodecane-thiolate saturated ∼4 ± 0.5 nm Au clusters with single-crystal core structure and morphology. An ultrathin ordered film or superlattice of these nanocrystal-core MPCs is prepared and investigated using aberration corrected scanning/transmission electron microscopy (STEM) which allowed imaging of long-range hexagonally ordered superlattices of the nanocrystals, separated by the thiolate groups. The lattice constants determined by direct imaging are in good agreement with those determined by small-angle electron diffraction. The STEM image revealed the characteristic grain boundary (GB) with sigma (Σ) 13 in the interface between two crystals. The formation and structures found are interpreted on the basis of theoretical calculations employing molecular dynamics (MD) simulations and coarse-grained (CG) approach. The structural order in ultrathin films of monolayer protected clusters (MPCs) is important in a number of application areas but can be difficult to demonstrate by conventional methods, particularly when the metallic core dimension, d, is in the intermediate size-range, 1.5 < d < 5.0 nm. Here, improved techniques for the synthesis of monodisperse thiolate-protected gold nanoparticles have made possible the production of dodecane-thiolate saturated ∼4 ± 0.5 nm Au clusters with single-crystal core structure and morphology. An ultrathin ordered film or superlattice of these nanocrystal-core MPCs is prepared and investigated using aberration corrected scanning/transmission electron microscopy (STEM) which allowed imaging of long-range hexagonally ordered superlattices of the nanocrystals, separated by the thiolate groups. The lattice constants determined by direct imaging are in good agreement with those determined by small-angle electron diffraction. The STEM image revealed the characteristic grain boundary (GB) with sigma (Σ) 13 in the interface between two crystals. The formation and structures found are interpreted on the basis of theoretical calculations employing molecular dynamics (MD) simulations and coarse-grained (CG) approach. Fil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados Unidos Fil: Bhattarai, Nabraj. University of Texas at San Antonio; Estados Unidos Fil: Khanal, Subarna. University of Texas at San Antonio; Estados Unidos Fil: Khanal, Subarna. University of Texas at San Antonio; Estados Unidos Fil: Bahena, Daniel. University of Texas at San Antonio; Estados Unidos Fil: Bahena, Daniel. University of Texas at San Antonio; Estados Unidos Fil: Olmos Asar, Jimena Anahí. 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. Università degli Studi di Trieste; Italia Fil: Olmos Asar, Jimena Anahí. 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. Università degli Studi di Trieste; Italia Fil: Ponce, Arturo. University of Texas at San Antonio; Estados Unidos Fil: Ponce, Arturo. University of Texas at San Antonio; Estados Unidos Fil: Whetten, Robert L.. University of Texas at San Antonio; Estados Unidos Fil: Whetten, Robert L.. University of Texas at San Antonio; Estados Unidos 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: 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: Yacaman, Miguel Jose. University of Texas at San Antonio; Estados Unidos Fil: Yacaman, Miguel Jose. University of Texas at San Antonio; Estados Unidos
description	The structural order in ultrathin films of monolayer protected clusters (MPCs) is important in a number of application areas but can be difficult to demonstrate by conventional methods, particularly when the metallic core dimension, d, is in the intermediate size-range, 1.5 < d < 5.0 nm. Here, improved techniques for the synthesis of monodisperse thiolate-protected gold nanoparticles have made possible the production of dodecane-thiolate saturated ∼4 ± 0.5 nm Au clusters with single-crystal core structure and morphology. An ultrathin ordered film or superlattice of these nanocrystal-core MPCs is prepared and investigated using aberration corrected scanning/transmission electron microscopy (STEM) which allowed imaging of long-range hexagonally ordered superlattices of the nanocrystals, separated by the thiolate groups. The lattice constants determined by direct imaging are in good agreement with those determined by small-angle electron diffraction. The STEM image revealed the characteristic grain boundary (GB) with sigma (Σ) 13 in the interface between two crystals. The formation and structures found are interpreted on the basis of theoretical calculations employing molecular dynamics (MD) simulations and coarse-grained (CG) approach.
publishDate	2014
dc.date.none.fl_str_mv	2014-05
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/11336/31619 Bhattarai, Nabraj; Bhattarai, Nabraj; Khanal, Subarna; Khanal, Subarna; Bahena, Daniel; et al.; Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study; Royal Society of Chemistry; Physical Chemistry Chemical Physics; 16; 34; 5-2014; 18098-18104 1463-9076 CONICET Digital CONICET
url	http://hdl.handle.net/11336/31619
identifier_str_mv	Bhattarai, Nabraj; Bhattarai, Nabraj; Khanal, Subarna; Khanal, Subarna; Bahena, Daniel; et al.; Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study; Royal Society of Chemistry; Physical Chemistry Chemical Physics; 16; 34; 5-2014; 18098-18104 1463-9076 CONICET Digital CONICET
dc.language.none.fl_str_mv	eng
language	eng
dc.relation.none.fl_str_mv	info:eu-repo/semantics/altIdentifier/doi/10.1039/c4cp01612b info:eu-repo/semantics/altIdentifier/doi/10.1039/c4cp01612b info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2014/CP/C4CP01612B info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2014/CP/C4CP01612B info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4128557/
dc.rights.none.fl_str_mv	info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
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rights_invalid_str_mv	https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
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dc.publisher.none.fl_str_mv	Royal Society of Chemistry
publisher.none.fl_str_mv	Royal Society of Chemistry
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repository.mail.fl_str_mv	dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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Structural order in ultrathin films of the monolayer protected clusters based upon 4 nm gold nanocrystals: an experimental and theoretical study

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