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Issue 63, 2012
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Evidence of upconversion luminescence contribution to the improved photoactivity of erbium doped TiO2 systems

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Abstract

Er3+–TiO2 synthesized by a surfactant free hydrothermal method exhibits good photoactivities under sun-like excitation for the degradation of phenol. The presence of Er3+ does not affect the structural and morphological features of the TiO2 significantly. The best photocatalytic performance was attained for the samples with 2 wt% of Er. Different photocatalytic runs indicated that the incorporation of the Er3+ cation would be responsible for the enhanced photocatalytic activity, which participates in different mechanisms under UV and NIR excitation.

Graphical abstract: Evidence of upconversion luminescence contribution to the improved photoactivity of erbium doped TiO2 systems

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Publication details

The article was received on 10 May 2012, accepted on 18 Jun 2012 and first published on 19 Jun 2012


Article type: Communication
DOI: 10.1039/C2CC33391K
Citation: Chem. Commun., 2012,48, 7865-7867
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    Evidence of upconversion luminescence contribution to the improved photoactivity of erbium doped TiO2 systems

    S. Obregón and G. Colón, Chem. Commun., 2012, 48, 7865
    DOI: 10.1039/C2CC33391K

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