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Issue 29, 2013
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Monodisperse YVO4:Eu3+ submicrocrystals: controlled synthesis and luminescence properties

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Abstract

Monodisperse YVO4:Eu3+ submicrocrystals with uniform morphologies have been successfully synthesized via a facile ethylene glycol (EG) assisted hydrothermal route. The particle shape and size could be effectively manipulated by tuning the thermodynamic (e.g. temperature) and kinetic (e.g. reactant concentration, pH value) parameters. Flower-like, spherical, octahedral, and revolving door-like YVO4:Eu3+ submicrocrystals were obtained by fine-tuning the pH values. The possible growth mechanism of octahedral YVO4:Eu3+ submicrocrystals was presented on the basis of systematic time-dependent experiments. The luminescent spectra reveal that both the post-calcinated spherical and octahedral YVO4:Eu3+ samples show a typical red emission of the Eu3+ ions dominated by strong 617 nm peak with dramatic difference in intensity. This difference may arise from the changes of the adsorbates, surface defects, and crystallinity. Our facile hydrothermal route may provide some new guidance in the design and controlled synthesis of inorganic nano/micromaterials.

Graphical abstract: Monodisperse YVO4:Eu3+ submicrocrystals: controlled synthesis and luminescence properties

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Publication details

The article was received on 13 Jan 2013, accepted on 26 Mar 2013 and first published on 26 Mar 2013


Article type: Paper
DOI: 10.1039/C3CE00074E
CrystEngComm, 2013,15, 5776-5783

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    Monodisperse YVO4:Eu3+ submicrocrystals: controlled synthesis and luminescence properties

    B. Shao, Q. Zhao, N. Guo, Y. Jia, W. Lv, M. Jiao, W. Lü and H. You, CrystEngComm, 2013, 15, 5776
    DOI: 10.1039/C3CE00074E

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