Monitoring Ag nanoparticles growth in undoped and Er3+-doped glasses by in-situ UV–Vis spectroscopy and its luminescent properties

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Federal de Alfenas-
Autor(es): dc.creatorMarcondes, Lia Mara-
Autor(es): dc.creatorSilva, Mariana Carolina de Castro-
Autor(es): dc.creatorFranco, Douglas Faza-
Autor(es): dc.creatorManzani, Danilo-
Autor(es): dc.creatorPoirier, Gael Yves-
Autor(es): dc.creatorNalin, Marcelo-
Data de aceite: dc.date.accessioned2025-08-21T21:54:33Z-
Data de disponibilização: dc.date.available2025-08-21T21:54:33Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-06-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jnoncrysol.2023.122286-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/247010-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/247010-
Descrição: dc.descriptionHeavy metal germanate glass compositions containing silver and erbium were prepared using the melt-quenching methodology. Ag nanoparticle formation was achieved by controlled thermal treatment and the growth was monitored by in-situ UV–Vis spectroscopy. After treatment, TEM images revealed that Ag nucleation begins after 60 min reaching an average size of 4.3 nm after 210 min. The photoluminescent properties were studied through nanoclusters Ag emission and visible upconversion of Er3+, which point out a clear dependence on the Ag nanoparticles size on the luminescent properties of the material. Furthermore, Judd–Ofelt parameters were calculated and significantly varied in respect to Ag addition and heat treatment conditions, corroborating with the proposed tunable emission, and the presence of Ag aggregates. Therefore, these results highlight the importance of the Ag nanoparticles size to control the luminescent properties of these glasses, demonstrating their potential for development of optical applications including white and green/red tunable emitting devices.-
Descrição: dc.descriptionInstituto de Química Universidade Estadual Paulista Júlio de Mendonça Filho, SP-
Descrição: dc.descriptionInstituto de Química de São Carlos Universidade de São Paulo, SP-
Descrição: dc.descriptionGrupo de Química de Materiais Universidade Federal de Alfenas Campus Poços de Caldas, MG-
Descrição: dc.descriptionInstituto de Química Universidade Estadual Paulista Júlio de Mendonça Filho, SP-
Idioma: dc.languageen-
Relação: dc.relationJournal of Non-Crystalline Solids-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectErbium-
Palavras-chave: dc.subjectGlasses-
Palavras-chave: dc.subjectSilver nanoparticles-
Palavras-chave: dc.subjectSurface plasmon resonance-
Título: dc.titleMonitoring Ag nanoparticles growth in undoped and Er3+-doped glasses by in-situ UV–Vis spectroscopy and its luminescent properties-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

Não existem arquivos associados a este item.