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Controlling synthesis and host sensitized Eu3+ emissions of K5Gd9F32 and GdF3

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Abstract

By controlling the reactant ratios, hydrothermal time, hydrothermal temperatures, pH values of the prepared solutions, and the concentrations of K3C6H5O7·2H2O, 1 mol% Eu3+ doped cubic phase of K5Gd9F32 and/or orthorhombic phase of GdF3 micro/ nanocrystals have been synthesized based on a hydrothermal method. For comparison, the sample was also synthesized by a co-precipitation method. The samples were characterized by X-ray diffraction (XRD) patterns, field emission scanning electron microscopy (FE-SEM) images, energy-dispersive spectroscopy (EDS) spectra, and photoluminescence (PL) excitation and emission spectra. By host Gd3+ sensitizing, the Eu3+ presents relatively strong emissions. The energy transfers from host Gd3+ to doping Eu3+ are observed in all the samples and the energy transfer plays an important role in the emission of Eu3+. Acting as a probe, the Eu3+ presents its distinct optical properties in the samples.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Xiamen University of Technology, Xiamen, 361024, China

    An Xie & ChunYan Cao

  2. College of Mathematics and Physics, Jinggangshan University, Ji’an, 343009, China

    ChunYan Cao & RenPing Cao

  3. Department of Physics, Pukyong National University, Busan, 608-737, Korea

    HyeonMi Noh & JungHyun Jeong

Authors
  1. An Xie
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  2. ChunYan Cao
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  3. RenPing Cao
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  4. HyeonMi Noh
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  5. JungHyun Jeong
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Correspondence to An Xie or ChunYan Cao.

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Xie, A., Cao, C., Cao, R. et al. Controlling synthesis and host sensitized Eu3+ emissions of K5Gd9F32 and GdF3 . Sci. China Technol. Sci. 58, 899–906 (2015). https://doi.org/10.1007/s11431-015-5803-6

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  • DOI: https://doi.org/10.1007/s11431-015-5803-6

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