Artículo
Outstanding visible photocatalytic activity of a new mixed bismuth titanatate material
Autor/es | Zambrano, P.
Sayagués de Vega, María Jesús Navío Santos, José Antonio Hidalgo López, María del Carmen |
Departamento | Universidad de Sevilla. Departamento de Cristalografía, Mineralogía y Química Agrícola Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2017 |
Fecha de depósito | 2022-10-06 |
Publicado en |
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Resumen | In 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 ... In 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 TiO2 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 Bi20TiO32 closely interconnected to Bi4Ti3O12 and amorphous TiO2. 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. |
Agencias financiadoras | Ministerio de Economia, Industria y Competitividad (MINECO). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) |
Identificador del proyecto | CTQ2015-64664-C2-2-P |
Cita | Zambrano, P., Sayagués de Vega, M.J., Navío Santos, J.A. y Hidalgo López, M.d.C. (2017). Outstanding visible photocatalytic activity of a new mixed bismuth titanatate material. Applied Surface Science, 394, 16-24. https://doi.org/10.1016/j.apsusc.2016.10.042. |
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