Self-calibrated optical thermometer based on luminescence from SrLu(2)O(4):Bi(3+),Eu(3+) phosphors.
Self-calibrated optical thermometer based on luminescence from SrLu(2)O(4):Bi(3+),Eu(3+) phosphors.
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DOI：
10.1039/c8ra06358c
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发表时间：
2018-10-15
期刊：
影响因子：
3.9
通讯作者：
Guo, Hai
中科院分区：
文献类型：
--
作者：
Chen, Xueyan;Zheng, Zhigang;Teng, Liming;Wei, Rongfei;Hu, Fangfang;Guo, Hai
采用固相反应法制备了Bi3+、Eu3+共掺SrLu2O4荧光粉。系统地研究了它们的结构、发光和感温性能。随着Eu3+浓度的增加，检测到从紫色到红色的颜色可调发射。依靠Bi3+到Eu3+的能量传递过程和热猝灭行为，荧光强度比（FIR）表现出优异的感温性能。最大绝对灵敏度和相对灵敏度分别达到1.10%和0.87% K−1。这些有意义的结果表明SrLu2O4:Bi3+，Eu3+是一种很有前途的光学温度传感材料。采用固相反应法制备了Bi3+、Eu3+共掺SrLu2O4荧光粉。
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. Bi3+,Eu3+ co-doped SrLu2O4 phosphors were synthesized by a solid state reaction method.
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