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

AuthorsObregón, Sergio ; Colón, Gerardo
Issue Date2012
PublisherRoyal Society of Chemistry (UK)
CitationChemical Communications 48: 7865- 7867 (2012)
AbstractEr 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. This journal is © 2012 The Royal Society of Chemistry.
Identifiersdoi: 10.1039/c2cc33391k
issn: 1359-7345
Appears in Collections:(ICMS) Artículos
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