Study on optical temperature sensing properties of β-NaYF4:Tm3+/Yb3+ nanoparticles

被引：27
作者：
Liu, Litao [1 ,2 ]
Cheng, Lihong [1 ]
Xu, Sai [1 ]
Qi, Xiaohui [2 ]
Liu, Zhilin [2 ]
Zhang, Xuan [2 ]
Chen, Baojiu [1 ]
Hua, Ruinian [2 ]
机构：
[1] Dalian Maritime Univ, Dept Phys, Dalian 116026, Liaoning, Peoples R China
[2] Dalian Nationalities Univ, Coll Life Sci, Dalian 116600, Liaoning, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2018年 / 106卷
基金：
中国国家自然科学基金;
关键词：
beta-HaYF4Tm3+/Yb3+; Upconversion nanoparticals; Temperature sensor; UP-CONVERSION LUMINESCENCE; PHOTOTHERMAL CONVERSION; FLUORESCENCE; EXCITATION; GREEN; GLASS; BLUE; ER3+;
D O I：
10.1016/j.materresbull.2018.06.015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
As an optical temperature sensor, rare earth ions (Tm3+/Yb3+)co-doped (beta-NaYF4 upconversion nanoparticles (UCNPs) were synthesized via a thermal decomposition method. Fluorescence intensity ratio (FIR) between the 700 nm (F-3(2,3)-> H-3(6)) and 800 nm (H-3(4)-> H-3(6)) corresponding to the emission spectra of Tm3+ was studied in the temperature range of 300-498 K under 980 nm excitation as a function of optical thermometry. It was found that the temperature sensing sensitivity of Tm3+/Yb3+ co-doped beta-NaYF4 UCNPs was higher than that of other rare-earth doped materials which were reported previously by using FIR technique in terms of sensitivity. beta NaYF4:Tm3+/Yb3+ UCNPs were promising to be a temperature sensor with the high sensitivity and resolution, especially with the superior property of well separated emission bands (700 nm and 800 nm).
引用
收藏
页码：353 / 356
页数：4
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