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Evidence of upconversion luminescence contribution to the improved photoactivity of erbium doped TiO 2 systems

Opened Access Evidence of upconversion luminescence contribution to the improved photoactivity of erbium doped TiO 2 systems

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Autor: Obregón Alfaro, Sergio
Colón Ibañez, Gerardo
Fecha: 2012
Publicado en: Chemical Communications, 48, 7865-7867.
Tipo de documento: Artículo
Resumen: Er 3+-TiO 2 synthesized by a surfactant free hydrothermal method exhibits good photoactivities under sun-like excitation for the degradation of phenol. The presence of Er 3+ does not affect the structural and morphological features of the TiO 2 significantly. The best photocatalytic performance was attained for the samples with 2 wt% of Er. Different photocatalytic runs indicated that the incorporation of the Er 3+ cation would be responsible for the enhanced photocatalytic activity, which participates in different mechanisms under UV and NIR excitation.
Cita: Obregón Alfaro, S. y Colón Ibañez, G. (2012). Evidence of upconversion luminescence contribution to the improved photoactivity of erbium doped TiO 2 systems. Chemical Communications, 48, 7865-7867.
Tamaño: 1.290Mb
Formato: PDF

URI: https://hdl.handle.net/11441/70865

DOI: 10.1039/c2cc33391k

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