Tailoring up-conversion luminescence for optical thermometry in K+/Er3+ co-doped oxyfluoride glass ceramics

被引：9

作者：

Guo, Yuao ^{[1
]}

Zhao, Lijuan ^{[1
]}

Fu, Yuting ^{[1
]}

Dong, Haotian ^{[1
]}

Yu, Hua ^{[1
]}

机构：

[1] Nankai Univ, Sch Phys, Minist Educ, Key Lab Weak Light Nonlinear Photon, Tianjin 300071, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2019年 / 210卷

基金：

中国国家自然科学基金;

关键词：

beta-PbF2:Er3+/K+ glass ceramics; Up-conversion luminescence; Optical thermometry; Charge compensation; Local symmetry distortion; TEMPERATURE SENSING BEHAVIOR; NANOCRYSTALS; YB3+; ER3+; SENSITIVITY; LANTHANIDE; DISTORTION; INTENSITY; EMISSIONS; LI+;

D O I：

10.1016/j.jlumin.2019.02.043

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this work, a strategy of K+ ions doping was visited with the aim of enhancing up-conversion luminescence (UCL) and sensitivity for optical thermometer of beta-PbF2:Er3+ glass ceramics (GCs). Compared to K+-free beta-PbF2: Er3+ GCs, the UCL intensity of green (521, 552 nm), red (668 nm), NIR (825 nm) emissions and absolute sensitivity (Sa) for optical thermometer of the beta-PbF2:Er3+ GCs co-doped with 10 mol% K+ ions were increased by 176, 82, 18 and 1.5 times, respectively. Charge compensation and the distortion of the local symmetry around the Er3+ ions, when the K+ ions were introduced, were confirmed to be the origin of the enhancement. The results show that K+ ions simultaneous co-doping of beta-PbF2:Er3+ glass ceramics (GCs) very effective way to integrate this material for advanced photonic applications.

引用

页码：247 / 254

页数：8

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