Up-conversion luminescence and thermal sensing properties of LuYO3 : Er3+/Yb3+ phosphor

被引：2

作者：

Wang, Rui ^{[1
]}

Shen, Yixue ^{[1
]}

Zhou, Huili ^{[2
]}

Wang, Jian ^{[1
]}

Zhu, Kesong ^{[1
]}

Ye, Linhua ^{[1
]}

Yu, Xuegong ^{[2
,3
,4
]}

Zhang, Junxiang ^{[1
]}

Wang, Li-Gang ^{[1
]}

机构：

[1] Zhejiang Univ, Sch Phys, Hangzhou 310027, Peoples R China

[2] ZJU Hangzhou Global Sci & Technol Innovat Ctr, Inst Informat & Funct Mat, Hangzhou 311215, Peoples R China

[3] Zhejiang Univ, State Key Lab Silicon & Adv Semicond Mat, Hangzhou 310027, Peoples R China

[4] Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2024年 / 275卷

基金：

中国国家自然科学基金;

关键词：

Up-conversion luminescence; FIR; Optical temperature sensing; CO2 laser zone melting method; LuYO3 : Er3+/Yb3+; YB3+ CONCENTRATION; MECHANISMS;

D O I：

10.1016/j.jlumin.2024.120799

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A series of LuYO3: Er3+/Yb3+ phosphors with different Yb3+ concentrations were prepared through a melting zone method with CO2 laser. The samples emit bright up-conversion luminescence (UCL) under a 980 nm laser. The UCL intensity and the luminescence color change significantly when Yb3+ concentration changes. Besides, when doped with 3 mol% Yb3+, the UCL intensity is maximal. The thermal sensing properties of LuYO3: Er3+(0.5 mol%)/Yb3+(3 mol%) were studied using the fluorescence intensity ratio (FIR) method from 298 K to 848 K. The maximum absolute and relative sensitivities are 0.0050 K-1 at 366 K and 0.0167 K-1 at 298 K, respectively. Thus, the LuYO3: Er3+(0.5 mol%)/Yb3+(3 mol%) fluorescent material is very suitable for thermal sensing because of the wide temperature range and the high sensitivity.

引用

页数：6

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