Highly Sensitive Optical Thermometry of Yb3+-Er3+ Codoped AgLa(MoO4)2 Green Upconversion Phosphor

被引：60
作者：
Li, Ting [1 ,2 ]
Guo, Chongfeng [1 ,2 ]
Zhou, Shaoshuai [3 ]
Duan, Changkui [3 ]
Yin, Min [3 ]
机构：
[1] NW Univ Xian, Natl Key Lab Photoelect Technol & Funct Mat Cultu, Natl Photoelect Technol & Funct Mat & Applicat Sc, Inst Photon & Photon Technol, Xian 710069, Peoples R China
[2] NW Univ Xian, Sch Phys, Xian 710069, Peoples R China
[3] Univ Sci & Technol China, Sch Phys Sci, Hefei 230026, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2015年 / 98卷 / 09期
基金：
中国国家自然科学基金;
关键词：
LUMINESCENCE; GLASS; TRANSITIONS; EMISSIONS;
D O I：
10.1111/jace.13698
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Er3+-Yb3+ codoped AgLa(MoO4)(2) phosphors with intense green emission from H-2(11/2)/S-4(3/2) I-4(15/2) transitions and negligible red emission from F-4(9/2) I-4(15/2) transition of Er3+ were synthesized by sol-gel process. Its temperature sensing performance was evaluated based on the temperature dependence of fluorescence intensity ratio (FIR) of two green emission bands in the range 300-510K. The maximum sensitivity of AgLa(MoO4)(2): 0.02Er(3+)/0.4Yb(3+) is approximately 0.018K(-1) at 480K, which is much higher than those of reported samples based on green emissions of Er3+. Result suggests that AgLa(MoO4)(2): Er3+/Yb3+ has a great potential application in optical temperature sensors.
引用
收藏
页码：2812 / 2816
页数：5
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