Dual functions of Er3+/Yb3+ codoped Gd2(MOO4)3 phosphor: temperature sensor and optical heater

被引：29
作者：
Lu, Hongyu [1 ]
Hao, Haoyue [1 ]
Gao, Yachen [2 ]
Shi, Guang [1 ]
Fan, Qiaodan [1 ]
Song, Yinglin [1 ]
Wang, Yuxiao [1 ]
Zhang, Xueru [1 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China
[2] Heilongjiang Univ, Coll Elect Engn, Harbin 150080, Heilongjiang, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2017年 / 191卷
基金：
中国国家自然科学基金;
关键词：
Temperature sensing; Fluorescence intensity ratio; Photo-thermal effect; Rare earth; Optical thermometer; Upconversion; Optical heater; UP-CONVERSION LUMINESCENCE; SENSING BEHAVIOR; CRYSTAL-STRUCTURE; NANOPARTICLES; ER3+; COLOR; NANOMATERIALS; NANOCRYSTALS; FLUORESCENCE; SPECTROSCOPY;
D O I：
10.1016/j.jlumin.2016.12.026
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Gd-2(MoO4)(3):Er3+/Yb3+ phosphor with respective functions of optical temperature sensing and optical heater are investigated in detail. The Gd-2(MoO4)(3):Er3+/Yb3+ film (similar to 200 nm) and powder are successfully prepared, respectively. The crystalline structure is characterized by XRD and the relevant morphologies are analyzed by SEM and AFM, respectively. Based on fluorescence intensity ratio (FIR) technique, photo-thermal behaviors of Gd-2(MoO4)(3):Er3+/Yb3+ powder are illustrated. Under 980 nm excitation, the temperature induced by laser is calculated, which varies from 323 to 617 K as exciting power increased from 0.03 to 3.78 W. Additionally, the temperature sensing behaviors of Gd-2(MoO4)(3):Er3+/Yb3+ film are investigated. Highly accurate temperature sensing can be realized due to the negligible photo-thermal effect. This thermal sensor exhibited a high sensitivity in the range of 295660 K, and the maximum value of relative sensitivity was determined as 13.4 x 10(-3) K-1 at 295 K. These results demonstrate that Gd-2(MoO4)(3):Er3+/Yb3+ phosphor can be applied in terms of temperature sensing and optical heater. (C) 2016 Elsevier B.V. All rights reserved.
引用
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页码：13 / 17
页数：5
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