Unveiling photoluminescent response of Ce-doped CaCu3Ti4O12: An experimental-theoretical approach

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Sergipe (UFS)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorBrazilian Center for Research in Energy and Materials (CNPEM)-
Autor(es): dc.creatorMoreno, H.-
Autor(es): dc.creatorDamm, M.-
Autor(es): dc.creatorFreitas, S. M.-
Autor(es): dc.creatorRezende, M. V.S.-
Autor(es): dc.creatorSimões, A. Z.-
Autor(es): dc.creatorBiasotto, G.-
Autor(es): dc.creatorMastelaro, V. R.-
Autor(es): dc.creatorTeixeira, V. C.-
Autor(es): dc.creatorRamirez, M. A.-
Data de aceite: dc.date.accessioned2025-08-21T21:49:58Z-
Data de disponibilização: dc.date.available2025-08-21T21:49:58Z-
Data de envio: dc.date.issued2023-03-02-
Data de envio: dc.date.issued2023-03-02-
Data de envio: dc.date.issued2022-11-24-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jallcom.2022.166185-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/242058-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/242058-
Descrição: dc.descriptionCaCu3Ti4O12: x% Ce (x = 0.00, 0.25, 0.50, 0.75, and 1.00) ceramic composites were prepared via solid-state reaction. Theoretical atomistic simulations were combined with experimental techniques to uncover Ce effects in the (micro)structure and photoluminescence of CaCu3Ti4O12-based ceramics. Application of perovskites ceramics in optoelectronics have been limited by their specific, narrow emission range, which compromise operational efficiency, pushing for the development of novel perovskite-emissive materials. This study results confirm that Ce ions are incorporated at Ca sites within the CaCu3Ti4O12 lattice, inducing point metal and oxygen vacancies in the optical bandgap region. Shallow-level defects (VCa′′/VO⦁⦁) were associated with broadband violet-blue photoluminescent (PL) emissions. Better color rendering may be a direct consequence of crystalline field splitting/wider PL emission. Furthermore, results demonstrate that PL on CaCu3Ti4O12: Ce system intensity can be modulated by structural defects, making it promising for applications in optoelectronics.-
Descrição: dc.descriptionSao Paulo State University – UNESP Faculty of Engineering of Guaratingueta, Av. Dr. Ariberto Pereira da Cunha 333, Portal das Colinas, SP-
Descrição: dc.descriptionFederal University of Sergipe (UFS) – Center for Exact Sciences and Technology (CCET) Department of Physics, Marechal Rondon s/n, Jardim Rosa Elze, SE-
Descrição: dc.descriptionSão Paulo State University – UNESP Chemistry Institute, Rua Prof. Francisco Degni, 55, Quitandinha, SP-
Descrição: dc.descriptionSão Carlos Institute of Physics University of São Paulo, PO Box 369, SP-
Descrição: dc.descriptionBrazilian Synchrotron Light Laboratory (LNLS) Brazilian Center for Research in Energy and Materials (CNPEM), Campinas-
Descrição: dc.descriptionSao Paulo State University – UNESP Faculty of Engineering of Guaratingueta, Av. Dr. Ariberto Pereira da Cunha 333, Portal das Colinas, SP-
Descrição: dc.descriptionSão Paulo State University – UNESP Chemistry Institute, Rua Prof. Francisco Degni, 55, Quitandinha, SP-
Idioma: dc.languageen-
Relação: dc.relationJournal of Alloys and Compounds-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCaCu3Ti4O12-
Palavras-chave: dc.subjectCe-doped-
Palavras-chave: dc.subjectComputing simulations-
Palavras-chave: dc.subjectOptoelectronics-
Palavras-chave: dc.subjectPhotoluminescence-
Título: dc.titleUnveiling photoluminescent response of Ce-doped CaCu3Ti4O12: An experimental-theoretical approach-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

Não existem arquivos associados a este item.