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Título

Outstanding visible photocatalytic activity of a new mixed bismuth titanatate material

AutorZambrano, Paola; Sayagués, María Jesús ; Navío, José A.; Hidalgo, M.C.
Palabras claveBi4Ti3O12
Bi20TiO32
Phenol degradation
Visible photocatalysis
Fecha de publicación2017
EditorElsevier
CitaciónApplied Surface Science 394: 16- 24 (2017)
ResumenIn this work, a new photocatalyst based on bismuth titanates with outstanding visible photocatalytic activity was prepared by a facile hydrothermal method. The synthesised material showed visible activity as high as UV activity of commercial TiO P25 under the same experimental conditions for phenol degradation. A wide characterisation of the photocatalyst was performed. The material was composed of three phases; majority of BiTiO closely interconnected to BiTiO and amorphous TiO. The high visible activity showed by this material could be ascribed to a combination of several features; i.e. low band gap energy value (2.1 eV), a structure allowing a good separation path for visible photogenerated electron-holes pairs and a relatively high surface area. This photocatalyst appeared as a promising material for solar and visible applications of photocatalysis.
URIhttp://hdl.handle.net/10261/156225
DOI10.1016/j.apsusc.2016.10.042
Identificadoresdoi: 10.1016/j.apsusc.2016.10.042
issn: 0169-4332
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