Preparation and luminescence properties of rare earth Eu3+ doped ZnO-Al2O3-SiO2 glass-ceramics

X. L. Duan; D. R. Yuan; Zhiqiang Liu

doi:10.1117/12.778750

26 October 2007 Preparation and luminescence properties of rare earth Eu³⁺ doped ZnO-Al₂O₃-SiO₂ glass-ceramics

X. L. Duan, D. R. Yuan, Zhiqiang Liu

Proceedings Volume 6796, Photonics North 2007; 67961S (2007) https://doi.org/10.1117/12.778750
Event: Photonics North 2007, 2007, Ottawa, Canada

Abstract

Generally, it is very difficult to prepare zinc aluminosilicate glasses because of its high melting temperature. In this work, transparent rare earth Eu³⁺-doped ZnO-Al₂O₃-SiO₂ glass-ceramics were obtained by sintering the corresponding precursor gels, which were prepared by using tetraethylorthosilicate and inorganic salts as raw materials and by a sol-gel method. X-ray diffraction, infrared spectrometer and fluorescence spectrometer were used to characterize the as-prepared materials. The luminescence properties of Eu³⁺ in zinc aluminosilicate glass-ceramics were mainly studied. Results showed that ZnAl₂O₄ nanocrystals were precipitated from ZnO-Al₂O₃-SiO₂ system and dispersed in the SiO₂-based glass when the heat-treatment temperature was up to 900^oC. A strong emission peak at 614 nm was observed and the peak is assigned to ⁵D_o→⁷F₂ transition of Eu³⁺ ions. The luminescence mechanism of Eu ³⁺ doped ZnO-Al₂O₃-SiO₂ glass-ceramics was analyzed and discussed.

Citation Download Citation

X. L. Duan, D. R. Yuan, and Zhiqiang Liu "Preparation and luminescence properties of rare earth Eu³⁺ doped ZnO-Al₂O₃-SiO₂ glass-ceramics", Proc. SPIE 6796, Photonics North 2007, 67961S (26 October 2007); https://doi.org/10.1117/12.778750

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