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首页> 外文期刊>RSC Advances >Phase structure control and optical spectroscopy of rare-earth activated GdF3 nanocrystal embedded glass ceramics via alkaline-earth/alkali-metal doping
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Phase structure control and optical spectroscopy of rare-earth activated GdF3 nanocrystal embedded glass ceramics via alkaline-earth/alkali-metal doping

机译：碱性接地/碱金属掺杂的稀土活性GDF3纳米晶体嵌入式玻璃陶瓷相结构控制和光谱

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摘要

Hexagonal to orthorhombic phase transformation of GdF3 nanocrystals in bulk glass ceramics was achieved through alkaline-earth/alkali-metal doping and crystallization temperature controlling. Structural characterizations and spectroscopic analyses of the Eu3+ probe evidenced the incorporation of rare earth emitting-centers into the precipitated GdF3 crystals among the glass matrix. In addition, the influence of phase evolution on the upconversion luminescence of Er3+/Yb3+ co-doped glass ceramics was systematically investigated and it was evidenced that the upconversion intensity of the orthorhombic GdF3 embedded glass ceramic was two orders of magnitude higher than that of the hexagonal GdF3 containing glass ceramic. Benefiting from greatly enhanced upconversion luminescence after glass crystallization, the present glass ceramic composites were demonstrated to have promising applications in optical temperature sensors as well as tunable displays.
机译：通过碱土/碱金属掺杂和结晶温度控制，实现了散装玻璃陶瓷中GDF3纳米晶体的六边形转移。 Eu3 +探针的结构表征和光谱分析证明了稀土发光中心的掺入玻璃基质中的沉淀的GDF3晶体中。 此外，系统地研究了相进化对ER3 + / YB3 +共掺杂玻璃陶瓷的上变发光的影响，证明了正交GDF3嵌入式玻璃陶瓷的上变频强度比六边形高的两个数量级 GDF3含有玻璃陶瓷。 在玻璃结晶后，从大大增强的上变化发光受益，证明了本发明的玻璃陶瓷复合材料在光学温度传感器以及可调谐显示器中具有希望的应用。

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  • 来源
    《RSC Advances》 |2016年第75期|共12页
  • 作者

    Liu Shen; Chen Daqin; Wan Zhongyi; Zhou Yang; Huang Ping; Ji Zhenguo;

  • 作者单位

    Hangzhou Dianzi Univ Coll Mat &

    Environm Engn Hangzhou 310018 Peoples R China;

    Hangzhou Dianzi Univ Coll Mat &

    Environm Engn Hangzhou 310018 Peoples R China;

    Hangzhou Dianzi Univ Coll Mat &

    Environm Engn Hangzhou 310018 Peoples R China;

    Hangzhou Dianzi Univ Coll Mat &

    Environm Engn Hangzhou 310018 Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

    Hangzhou Dianzi Univ Coll Mat &

    Environm Engn Hangzhou 310018 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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