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dc.contributor.author
Gómez Velázquez, Laura Sthefania
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dc.contributor.author
Hernández Gordillo, Agileo
dc.contributor.author
Robinson, Matthew J.
dc.contributor.author
Leppert, Valerie J.
dc.contributor.author
Rodil, Sandra E.
dc.contributor.author
Bizarro, Monserrat
dc.date.available
2020-03-18T16:22:48Z
dc.date.issued
2018-08
dc.identifier.citation
Gómez Velázquez, Laura Sthefania; Hernández Gordillo, Agileo; Robinson, Matthew J.; Leppert, Valerie J.; Rodil, Sandra E.; et al.; The bismuth oxyhalide family: thin film synthesis and periodic properties; Royal Society of Chemistry; Dalton Transactions; 47; 35; 8-2018; 12459-12467
dc.identifier.issn
1477-9226
dc.identifier.uri
http://hdl.handle.net/11336/100045
dc.description.abstract
Bismuth oxyhalides (BiOX, where X = F, Cl, Br, I) are interesting materials due to their layered structure, which can be useful for different applications. In this work, we present the synthesis of the complete BiOX family in the thin film form. The tetragonal phase Bi2O3 film deposited onto a glass substrate was transformed into BiOF, BiOCl or BiOBr by a simple immersion at ambient temperature in a halide (X = F, Cl, Br) containing solution. For these films, a residual phase from the oxide was present and for BiOF another phase (tentatively identified as Bi7O5F11) was present too. For the BiOI film synthesis, an iodine and bismuth containing solution was sprayed onto the glass substrate heated at 275 °C and a pure phase was obtained. Microstructural and morphological characterization was performed by X-ray diffraction and scanning electron microscopy, while the chemical environment was studied by X-ray photoelectron spectroscopy. Optical and photocatalytic properties were also obtained. The physical and chemical characteristics of the BiOX films follow a correlation with the atomic radius of the halogen atom incorporated into the corresponding lattice. All the BiOX films showed a photocatalytic response for the photodiscoloration of indigo carmine dye under simulated sunlight irradiation in an alkaline medium. The photocatalytic reactions occurred via 2 proton-electron transfer from the oxide or oxyhalide to the adsorbed IC dye, favoring its reduction to the corresponding leuco IC form.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Royal Society of Chemistry
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BISMUTH OXIHALIDE FAMILY
dc.subject
THIN FILMS
dc.subject
PROPERTIES OF BISMUTH OXYHALIDE
dc.subject
SYNTHESIS OF BISMUTH OXIHALIDE
dc.subject.classification
Recubrimientos y Películas
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dc.subject.classification
Ingeniería de los Materiales
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
The bismuth oxyhalide family: thin film synthesis and periodic properties
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-03-16T14:03:00Z
dc.journal.volume
47
dc.journal.number
35
dc.journal.pagination
12459-12467
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Cambrigde
dc.description.fil
Fil: Gómez Velázquez, Laura Sthefania. Universidad Nacional Autónoma de México; México. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
dc.description.fil
Fil: Hernández Gordillo, Agileo. Universidad Nacional Autónoma de México; México
dc.description.fil
Fil: Robinson, Matthew J.. University of California; Estados Unidos
dc.description.fil
Fil: Leppert, Valerie J.. University of California; Estados Unidos
dc.description.fil
Fil: Rodil, Sandra E.. Universidad Nacional Autónoma de México; México
dc.description.fil
Fil: Bizarro, Monserrat. Universidad Nacional Autónoma de México; México
dc.journal.title
Dalton Transactions
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://pubs.rsc.org/en/content/articlelanding/2018/DT/C8DT02642D#!divAbstract
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1039/c8dt02642d
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