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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 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.

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Autor(es)

Zambrano, Paola -  Sayagués, María Jesús -  Navío, José A. -  Hidalgo, M.C. - 

Id.: 70131866

Idioma: eng  - 

Versión: 1.0

Estado: Final

Palabras claveBi4Ti3O12 - 

Tipo de recurso: Artículo  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

: embargoedAccess

Requerimientos técnicos:  Browser: Any - 

Relación: [References] Postprint

Fecha de contribución: 19-dic-2017

Contacto:

Localización:
* doi: 10.1016/j.apsusc.2016.10.042
* issn: 0169-4332
* 10.1016/j.apsusc.2016.10.042

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