期刊
OPTICAL MATERIALS
卷 60, 期 -, 页码 526-532出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optmat.2016.09.014
关键词
Rare earth-doped phosphate; Phase transition; UC luminescence; Optical temperature sensing
资金
- China Postdoctoral Science Foundation [2015T80296]
- National Science Foundation of China [21521092]
- Science and Technology Development Planning Project of Jilin Province [20160101294JC]
- National Found for Fostering Talents of Basic Science [J1103202]
- Outstanding Young Teacher Cultivation Plan in Jilin University
YPO4:Er3+, Yb3+ microcrystals have been manufactured using hydrothermal synthesis and annealed at different temperature for 3 h. With the increases of calcination temperature, the phase transformation of yttrium phosphate from hexagonal to tetragonal phase is reported base on the representation of X-ray diffraction (XRD). Besides, the size and morphology of yttrium phosphate have been clearly observed by employing field-emission scanning electron microscopy (FE-SEM). By selective annealing temperature and doped concentration procedure, YPO4:1%Er3+, 15%Yb3+ phosphors that annealed at 1000 degrees C for 3 h after hydrothermal synthesis show the strongest luminescence intensity under a 980 nm laser diode excitation. The temperature sensing behavior of YPO4:1%Er3+, 15%Yb3+ phosphors has also been investigated in detail. The result indicated that YPO4:1%Er3+, 15%Yb3+ phosphors could be considered as potential materials for optical temperature sensors. (C) 2016 Elsevier B.V. All rights reserved.
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