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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Synthesis and photoluminescence of Eu3+-doped ZnO-Ga2O3-SiO2 nano-glass-ceramics
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Synthesis and photoluminescence of Eu3+-doped ZnO-Ga2O3-SiO2 nano-glass-ceramics

机译：Eu3 +掺杂ZnO-Ga2O3-SiO2纳米玻璃陶瓷的合成与光致发光

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摘要

Transparent rare-earth Eu3+-doped ZnO-Ga2O3-SiO2 nano-glass-ceramics were obtained by a sol-gel method. X-ray diffraction and transmission electron microscopy were used to characterize the as-synthesized materials. Results showed that ZnGa2O4 nanocrystals with the size of 5 nm were precipitated from ZnO-Ga2O3-SiO2 system and dispersed in the SiO2-based glass when the heat-treatment temperature was up to 800 degrees C. Photoluminescence characterization of Eu3+-doped ZnO-Ga2O3-SiO2 nano-glass-ceramics was carried out and the results show that the as-synthesized material display intense emission at 615 nm belonging to D-5(0) -> F-7(2) transition.
机译：通过溶胶-凝胶法获得了透明稀土掺杂Eu3 +掺杂的ZnO-Ga2O3-SiO2纳米玻璃陶瓷。 X射线衍射和透射电子显微镜被用来表征合成后的材料。结果表明，当热处理温度达到800摄氏度时，ZnO-Ga2O3-SiO2体系中析出了5nm大小的ZnGa2O4纳米晶体，并分散在SiO2基玻璃中。Eu3 +掺杂ZnO-Ga2O3的光致发光特性进行了-SiO 2纳米玻璃陶瓷的研究，结果表明合成后的材料在615 nm处显示出强发射，属于D-5（0）-> F-7（2）跃迁。

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