Preparation and Fluorescence Properties of GdF3:Eu3+, NaGdF4:Eu3+ Materials

Li Li Wang; Lian Li Liu; Qian Xu; Tong Sun; Wan Na Gu

doi:10.4028/www.scientific.net/AMR.661.74

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 661Preparation and Fluorescence Properties of...

Preparation and Fluorescence Properties of GdF₃:Eu³⁺, NaGdF₄:Eu³⁺ Materials

Abstract:

The GdF₃:Eu³⁺ and NaGdF₄:Eu³⁺ powders were synthesized by hydrothermal method as raw material of Gd₂O₃, Eu₂O₃, NaF, NH₄HF₂, EDTA and polyethylene glycol. The powders were characterized by means of X-ray powder diffraction, SEM microscopy and Molecular fluorescence photometer. It was discussed that the pH value of aqueous solution had affection on the phase composition of synthesized powders. The complex fluorides GdF₃ and NaGdF₄ were synthesized in aqueous solution at the pH values between 3 and 6. The synthesized powders were single hexagonal phase of NaGdF4 crystal at pH=8. It was also found that different fluorescence properties were exhibited by Eu³⁺ doping powders synthesized at different pH values of aqueous solution. The synthesized powders of GdF₃ and NaGdF₄ were excellent fluorescence materials.

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Periodical:

Advanced Materials Research (Volume 661)

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74-78

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.661.74

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Online since:

February 2013

Authors:

Li Li Wang, Lian Li Liu, Qian Xu, Tong Sun, Wan Na Gu

Keywords:

Fluorescence, GdF₃:Eu³⁺, Hydrothermal, NaGdF₄:Eu³⁺

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