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Issue 41, 2015
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Hierarchical Ba2(B5O9)Cl·(H2O)0.5 microspheres: surfactant-assisted facile hydrothermal synthesis, Tb3+ doping and photoluminescence properties

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Abstract

Three-dimensional hierarchical nanoarchitectures of metal borates self-assembled by one-dimensional or two-dimensional nanostructures have been paid extensive attention for their versatile compositions and excellent performance in various fields. Hilgardite-like metal borates have been widely employed as nonlinear optical materials and ideal hosts for various luminescent ions. In this contribution, we reported for the first time a mild surfactant-assisted hydrothermal process for the synthesis of uniform Ba2(B5O9)Cl·(H2O)0.5 microspheres at 160 °C for 6.0 h, by using BaCl2·2H2O, H3BO3, and NaOH as raw materials and ethylenediaminetetraacetic acid disodium salt (EDTA-2Na) as the surfactant. The effects of process parameters and the EDTA-2Na assisted formation mechanism were investigated in detail. The as-obtained microspheres exhibited a transparent characteristic from the ultraviolet to visible range. Within the experimental doping molar percentage of 0–10% in Ba2+, the as-prepared Ba2(B5O9)Cl·(H2O)0.5:6%Tb3+ phosphors demonstrated the strongest PL intensity, revealing the as-obtained Ba2(B5O9)Cl·(H2O)0.5 microspheres as a great promising host candidate for emitting luminescent materials in light display systems or optoelectronic devices.

Graphical abstract: Hierarchical Ba2(B5O9)Cl·(H2O)0.5 microspheres: surfactant-assisted facile hydrothermal synthesis, Tb3+ doping and photoluminescence properties

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Publication details

The article was received on 01 Jul 2015, accepted on 04 Sep 2015 and first published on 04 Sep 2015


Article type: Paper
DOI: 10.1039/C5CE01273B
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CrystEngComm, 2015,17, 7856-7865

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    Hierarchical Ba2(B5O9)Cl·(H2O)0.5 microspheres: surfactant-assisted facile hydrothermal synthesis, Tb3+ doping and photoluminescence properties

    X. Chen, L. Zhang, Z. Zhang, L. Zhu and W. Zhu, CrystEngComm, 2015, 17, 7856
    DOI: 10.1039/C5CE01273B

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