Citation: Guo Xian Zhu, Yong Da Li, Hong Zhou Lian, Yi Zhao Chen, Sheng Gui Liu. Hydrothermal synthesis and fluorescence of YF₃:Eu³⁺[J]. Chinese Chemical Letters, ;2010, 21(5): 624-627. doi: 10.1016/j.cclet.2009.11.011 shu

Hydrothermal synthesis and fluorescence of YF₃:Eu³⁺

a School of Chemistry Science and Technology, Zhanjiang Normal University, Zhanjiang 524048, China;
b College of Science, Changchun University of Science and Technology, Changchun 130022, China;
c Key Laboratory of Rare Earth Chemistry and Physics, Chinese Academy of Science, Changchun 130022, China

Received Date: 24 August 2009

Europium (Ⅲ)-doped YF₃ is prepared by a hydrothermal process at 200℃. X-ray diffraction (XRD) pattern identifies the formation of YF₃ phase without detectable impurity. Environment scanning electron microscopy (ESEM) image shows the even size distribution of the samples with cubic morphology. The excitation and emission spectra of the rare earth ions doped YF₃ are investigated by fluorescence spectrophotometer. The excitation spectrum for 591 nm emission has several excitation bands at 320,365,386,397 and 467 nm, and the main peak value was 397 nm. Typical Eu³⁺ emission peaks at 591 nm (⁵D₀→⁷F₁) and 612 nm (⁵D₀→⁷F₂) are observed when excited by 397 nm, and the strongest emission is 591 nm, demonstrating that the rare earth ions occupy the centrosymmetrical sites in YF₃.
- Hydrothermal synthesis,
- Rare earth ion,
- YF₃,
- Photoluminescence
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