Interface matters: Design of an efficient CaCu3Ti4O12-rGO photocatalyst

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorBrazilian Center for Research in Energy and Materials (CNPEM)-
Autor(es): dc.creatorPraxedes, F. M.-
Autor(es): dc.creatorMoreno, H.-
Autor(es): dc.creatorSimões, A. Z.-
Autor(es): dc.creatorTeixeira, V. C.-
Autor(es): dc.creatorNunes, R. S.-
Autor(es): dc.creatorAmoresi, R. A.C.-
Autor(es): dc.creatorRamirez, M. A.-
Data de aceite: dc.date.accessioned2025-08-21T23:34:44Z-
Data de disponibilização: dc.date.available2025-08-21T23:34:44Z-
Data de envio: dc.date.issued2023-03-02-
Data de envio: dc.date.issued2023-03-02-
Data de envio: dc.date.issued2022-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.powtec.2022.117478-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/241842-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/241842-
Descrição: dc.descriptionDifferent strategies have been investigated to enhance optical properties of semiconductor oxides such as CaCu3Ti4O12, e.g., reduced graphene oxide. This research focuses on photoluminescent and photocatalytic properties of CaCu3Ti4O12-rGO composites. Micrometric CCTO and rGO particles were mixed to obtain composites. (Micro)structure, photoluminescence, and photocatalytic properties were evaluated. CCTO-rGO composites displayed broad PL emission over the visible spectrum, useful for triggering photocatalytic applications (≈ 380–750 nm). A shift in PL towards the violet region compared to pure CCTO along with an associated orange emission decrease may be ascribed to rGO activity as an electron donor/acceptor. Photocatalytic tests under UV light (325 nm) showed that 20%rGO (≈ 25.88%) significantly improved rhodamine B removal/adsorption compared to pure CCTO (≈ 9.64%). Results from this study show that CCTO-rGO composites may be a promising choice for future UV–visible light-driven photocatalytic devices with high adsorption/lower response time promoting sustainability in water purification methods and associated applications.-
Descrição: dc.descriptionLaboratório Nacional de Luz Síncrotron-
Descrição: dc.descriptionASCRS Research Foundation-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionSão Paulo State University – UNESP Faculty of Engineering of Guaratingueta, Av. Dr. Ariberto Pereira da Cunha 333, Portal das Colinas, Guaratingueta-
Descrição: dc.descriptionBrazilian Synchrotron Light Laboratory (LNLS) Brazilian Center for Research in Energy and Materials (CNPEM), SP-
Descrição: dc.descriptionSão Paulo State University – UNESP Faculty of Engineering of Guaratingueta, Av. Dr. Ariberto Pereira da Cunha 333, Portal das Colinas, Guaratingueta-
Descrição: dc.descriptionASCRS Research Foundation: 2017/19143-7-
Descrição: dc.descriptionASCRS Research Foundation: 2018/24465-6-
Descrição: dc.descriptionCNPq: 310890/2021-7-
Idioma: dc.languageen-
Relação: dc.relationPowder Technology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCaCu3Ti4O12-
Palavras-chave: dc.subjectPhotocatalysis-
Palavras-chave: dc.subjectPhotoluminescence-
Palavras-chave: dc.subjectrGO-
Título: dc.titleInterface matters: Design of an efficient CaCu3Ti4O12-rGO photocatalyst-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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