Effect of ionic liquid in a pressurized reactor to enhance CO2 photocatalytic reduction at TiO2 modified by gold nanoparticles

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorPerini, João Angelo Lima-
Autor(es): dc.creatorIrikura, Kallyni-
Autor(es): dc.creatorTorquato, Lilian D. Moura-
Autor(es): dc.creatorFlor, Jader Barbosa da S.-
Autor(es): dc.creatorZanoni, Maria V. Boldrin-
Data de aceite: dc.date.accessioned2025-08-21T20:42:42Z-
Data de disponibilização: dc.date.available2025-08-21T20:42:42Z-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2021-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jcat.2021.11.007-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/233883-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/233883-
Descrição: dc.descriptionThis work describes the synergic effect of gold nanoparticles as co-catalyst on TiO2 nanotubes (TNT/AuNP) in aqueous medium containing the ionic liquid (IL) 1-Butyl-3-methylimidazolium tetrafluoroborate, in a pressurized photocatalytic reactor, as a good strategy to enhance CO2 conversion into value-added products. The surface plasmon resonance of the gold NPs improve the photoexcitation under visible light and slightly change the TNT band gap from 3.2 to 2.9 eV. Methanol production using TNT/AuNP in aqueous medium containing 2% (v/v) BMIM-BF4, 1 g L−1 Na2SO3 as a hole scavenger, under 5 atm pressure and solar irradiation, produce up to 279.6 µM (µmol L−1) of methanol and 98.8 µM of methane, with the quantum yield of 1.12% at 440 nm. Isotope-labeled studies by GC/MS proved that 13CO2 is the source for photoproduction of 13CH3OH. The results indicate that the combination of the Au co-catalyst size, high pressure, and IL can provide efficient modulation of CO2 conversion.-
Descrição: dc.descriptionSão Paulo State University (UNESP) Institute of Chemistry-
Descrição: dc.descriptionNational Institute of Alternative Technologies for Detection Toxicological Evaluation and Removal of Micropollutants and Radioactive Substances (INCT-DATREM) São Paulo State University (UNESP) Institute of Chemistry-
Descrição: dc.descriptionSão Paulo State University (UNESP) Institute of Chemistry-
Descrição: dc.descriptionNational Institute of Alternative Technologies for Detection Toxicological Evaluation and Removal of Micropollutants and Radioactive Substances (INCT-DATREM) São Paulo State University (UNESP) Institute of Chemistry-
Formato: dc.format588-600-
Idioma: dc.languageen-
Relação: dc.relationJournal of Catalysis-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBMIM-BF4-
Palavras-chave: dc.subjectQuantum yield-
Palavras-chave: dc.subjectSolar simulator-
Palavras-chave: dc.subjectSolubility-
Palavras-chave: dc.subjectSurface plasmon resonance-
Título: dc.titleEffect of ionic liquid in a pressurized reactor to enhance CO2 photocatalytic reduction at TiO2 modified by gold nanoparticles-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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