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Issue 14, 2014
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A ternary Er3+-BiVO4/TiO2 complex heterostructure with excellent photocatalytic performance

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Abstract

Ternary erbium doped BiVO4/TiO2 complexes are synthesized by means of a simple impregnation method with good photoactivities under sun-like excitation for the degradation of phenol. From the structural and morphological characterization it has been stated that the presence of Er3+ induces a slight stabilization of the tetragonal phase probably due to its incorporation in the BiVO4 lattice. Therefore a ternary heterostructured material has been obtained. The best photocatalytic performance was attained for the samples with 1 wt% of Er3+-doped BiVO4 content with respect to TiO2. The occurrence of a complex structural mixture with the adequate band position leads to effective charge pair separation which induces higher photocatalytic activities.

Graphical abstract: A ternary Er3+-BiVO4/TiO2 complex heterostructure with excellent photocatalytic performance

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Article information


Submitted
12 Nov 2013
Accepted
23 Dec 2013
First published
06 Jan 2014

RSC Adv., 2014,4, 6920-6926
Article type
Paper

A ternary Er3+-BiVO4/TiO2 complex heterostructure with excellent photocatalytic performance

S. Obregón and G. Colón, RSC Adv., 2014, 4, 6920
DOI: 10.1039/C3RA46603E

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