Upconversion luminescence and temperature sensing properties of Er3+/Yb3+ doped double-perovskite Ba2LaNbO6 phosphor

被引：27

作者：

Peng, Shanshan ^{[1
,2
,3
]}

Lai, Fengqin ^{[1
,2
]}

Xiao, Zongliang ^{[1
,2
]}

Cheng, Hao ^{[1
,2
]}

Jiang, Zhong ^{[1
,2
]}

You, Weixiong ^{[1
,2
]}

机构：

[1] Jiangxi Univ Sci & Technol, Fac Mat Met & Chem, Ganzhou 341000, Peoples R China

[2] Key Lab Rare Earth Luminescence Mat & Devices Jia, Ganzhou 341000, Peoples R China

[3] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2022年 / 242卷

基金：

中国国家自然科学基金;

关键词：

Upconversion luminescence; Temperature sensing; Double-perovskite; Ba2LaNbO6; OPTICAL THERMOMETRY; ENERGY-TRANSFER; EMISSIONS; SENSOR; YB3+; ION;

D O I：

10.1016/j.jlumin.2021.118569

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Oxide-based double-perovskite upconversion materials exhibit outstanding photostability and excellent upconversion luminescence (UCL), and thus have drawn increasing attention in temperature sensing field. Herein, a promising UCL phosphor Ba2LaNbO6 doped with Er3+ and Yb3+ was prepared by a facile high-temperature solidstate method. The Ba2LaNbO6:Er3+/Yb3+ phosphor with a double-perovskite structure possess two green and one red emissions. Based on the fluorescence intensity ratio technique, the maximum sensitivity of SA and SR are found to be 34.91 x 10(-4) K-1 at 472.9 K and 146.31 x 10(-4) K-1 at 313.5 K for the I500-540/I625-720. Excellent UCL and temperature sensing behavior of as-prepared Ba2LaNbO6 phosphor doped with Er3+ and Yb3+ may be as an alternative candidate for temperature sensing.

引用

页数：7

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