Artículo
Enhancement of visible light-induced surface photo-activity of nanostructured N¿TiO2 thin films modified by ion implantation
Autor/es | Romero Gómez, Pablo
López Santos, Carmen Borrás Martos, Ana Isabel Espinós Manzorro, Juan Pedro Palmero Acebedo, Alberto Rodríguez González-Elipe, Agustín |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2013 |
Fecha de depósito | 2018-05-07 |
Publicado en |
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Resumen | This work reports the morphological and chemical modifications induced in TiO2 thin films by bombardment with high energy N+ ions at different temperatures and their different photo-activity responses after implantation ... This work reports the morphological and chemical modifications induced in TiO2 thin films by bombardment with high energy N+ ions at different temperatures and their different photo-activity responses after implantation under visible and UV light illumination. When implanted samples are illuminated with visible light, no dye photo-decolouration takes place despite that light transformed the surfaces from hydrophobic to hydrophilic. In agreement with the Wenzel model of wetting, correlation is found between visible light photo-activity and film morphology. We conclude that the photo-activity response can be separated into shallow and Schottky barrier photo-activity, this latter involving a thicker layer of material |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España |
Identificador del proyecto | CSD2008-00023
MAT2010-21228 MAT2010-18447 P09-CTS- 5189 TEP5283 FQM-6900 |
Cita | Romero Gómez, P., López Santos, C., Borrás Martos, A.I., Espinós Manzorro, J.P., Palmero Acebedo, A. y Rodríguez González-Elipe, A. (2013). Enhancement of visible light-induced surface photo-activity of nanostructured N¿TiO2 thin films modified by ion implantation. Chemical Physics Letters, 582, 95-99. |
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