Transparent Sr0.84Lu0.16F2.16: Yb3+, Er3+ glass ceramics: Elaboration, structure, up-conversion properties and applications
Transparent Sr0.84Lu0.16F2.16: Yb3+, Er3+ glass ceramics: Elaboration, structure, up-conversion properties and applications
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DOI：
10.1016/j.jeurceramsoc.2018.02.010
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发表时间：
2018-07-01
影响因子：
5.7
通讯作者：
Guo, Hai
中科院分区：
文献类型：
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作者：
Cao, Jiangkun;Xu, Dengke;Guo, Hai
光学温度传感器的开发对于各种应用具有基础性和工业重要性。尽管光学温度传感技术取得了巨大进步，但寻找低成本、易于制造和高灵敏度的新型传感材料仍然面临挑战。在这里，通过对母体玻璃进行热退火制备了嵌入立方Sr0.84Lu0.16F2.16:Yb3+/Er3+纳米晶体的透明玻璃陶瓷（GC）。研究了光学和结构特性。 Er3+ 增强的发射强度、明显的斯塔克分裂和延长的寿命证实了 Er3+ 离子富集形成了 Sr0.84Lu0.16F2.16 纳米晶体。基于Er3+热耦合发射态的上转换强度比(FIR)研究了Sr(0.84)Lu(0.16)F(2.16)GC中Yb3+/Er3+离子的温度传感性能。获得高能量差（Delta E = 839 cm(-1)）和高绝对灵敏度（606 K 时为27.4 x 10(-4)K(-1)）。我们的结果表明，Sr(0.84)Lu(0.16)F(2.16)GC 是稀土离子掺杂的优良主体，也是光学测温的潜在候选者。
The development of optical temperature sensors is of fundamental and industrial importance for various applications. Despite the great advance in optical temperature-sensing techniques, challenges remain to search for novel sensing materials with low cost, easy fabrication and high sensitivity. Here, transparent glass ceramics (GC) embedded with cubic Sr0.84Lu0.16F2.16:Yb3+/Er3+ nano-crystals were prepared via thermal annealing on the parent glass. The optical and structural properties were investigated. The enhanced emission intensity, obvious Stark splitting and prolonged lifetimes of Er3+ confirm the enrichment of Er3+ ions into formed Sr0.84Lu0.16F2.16 nano-crystals. The temperature sensing performance of Yb3+ /Er3+ ions in Sr(0.84)Lu(0.16)F(2.16)GC were investigated based on up-conversion intensity ratio (FIR) from thermally coupled emitting states of Er3+. High energy difference (Delta E = 839 cm(-1)) and high absolute sensitivity (27.4 x 10(-4)K(-1) at 606 K) are obtained. Our results reveal Sr(0.84)Lu(0.16)F(2.16)GC are excellent host for rare earth ions doping and potential candidate for optical thermometry.