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Self-calibrated optical thermometer based on luminescence from SrLu2O4:Bi3+,Eu3+ phosphors

机译:基于来自Srlu2O4的发光的自校准光学温度计:Bi3 +,Eu3 +磷光体

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摘要

Bi3+,Eu3+ co-doped SrLu2O4 phosphors were synthesized by a solid state reaction method. Their structural, luminescent and temperature sensing properties have been systematically investigated. The color-tunable emissions from violet to red were detected with the increase of Eu3+ concentration. Relying on energy transfer process from Bi3+ to Eu3+ and thermal quenching behaviour, the fluorescence intensity ratio (FIR) presents excellent temperature sensing performance. The maximum absolute and relative sensitivities reach 1.10% K-1 and 0.87% K-1, respectively. These meaningful results indicate that SrLu2O4:Bi3+,Eu3+ is a promising material for optical temperature sensing.
机译:通过固态反应方法合成Bi3 +,Eu3 +共掺杂的Srlu2O4磷光体。 它们的结构性,发光和温度传感性能得到了系统地研究。 随着EU3 +浓度的增加,检测来自紫罗兰到红色的颜色可调排放。 依靠从BI3 +到EU3 +和热淬火行为的能量转移过程,荧光强度比(FIR)呈现出优异的温度传感性能。 最大绝对和相对敏感性分别达到1.10%K-1和0.87%K-1。 这些有意义的结果表明SRLU2O4:BI3 +,EU3 +是光学温度传感的有希望的材料。

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  • 来源
    《RSC Advances》 |2018年第62期|共7页
  • 作者单位

    Zhejiang Normal Univ Dept Phys Jinhua 321004 Zhejiang Peoples R China;

    Zhejiang Normal Univ Dept Phys Jinhua 321004 Zhejiang Peoples R China;

    Zhejiang Normal Univ Dept Phys Jinhua 321004 Zhejiang Peoples R China;

    Zhejiang Normal Univ Dept Phys Jinhua 321004 Zhejiang Peoples R China;

    Zhejiang Normal Univ Dept Phys Jinhua 321004 Zhejiang Peoples R China;

    Zhejiang Normal Univ Dept Phys Jinhua 321004 Zhejiang Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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