Wide-range thermometry and up-conversion luminescence of Ca5(PO4)3F:Yb3+/Er3+ transparent glass ceramics

被引：22
作者：
Liu, Xiangyu [1 ]
Chen, Yong [1 ]
Shang, Fei [1 ]
Chen, Guohua [1 ]
Xu, Jiwen [1 ]
机构：
[1] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2019年 / 30卷 / 06期
基金：
中国国家自然科学基金;
关键词：
OPTICAL THERMOMETER; ENERGY-TRANSFER; DOPED CAMOO4; ER3+; BEHAVIOR; RATIO; IONS; EMISSION; PHOSPHOR; YB3+;
D O I：
10.1007/s10854-019-00865-5
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Ca-5(PO4)(3)F:Yb3+/Er3+ glass ceramics (GCs) were successfully manufactured via traditional controlled crystallization method. The structural, optical and up-conversion (UC) illuminant properties were systemically investigated by XRD, TEM, HRTEM, fluorescence spectra and luminescence lifetime measurements. The results show that Ca-5(PO4)(3)F:Yb3+/Er3+ nanocrystals has been precipitated from the precursor glass matrix and the UC luminescence mechanism of PG and GC660 is two-photon process. The enhanced UC emission intensity and extended lifetime of Er3+ is observed in the GCs. Using the temperature dependent fluorescence intensity ratio (FIR) of thermally coupled emitting states (S-4(3/2), H-2(11/2)) as thermometric index, Ca-5(PO4)(3)F:Yb3+/Er3+ GCs present wide temperature-sensing range (298-798K) and high absolute sensitivity (51.9x10(-4)K(-1) at 600K). This finding suggests that Ca-5(PO4)(3)F:Yb3+/Er(3+)GC materials are promising in optical temperature measurement field.
引用
收藏
页码：5718 / 5725
页数：8
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