Up-conversion luminescence and optical temperature-sensing properties of Er3+-doped perovskite Na0.5Bi0.5TiO3 nanocrystals

被引：46

作者：

Wang, Shanshan ^{[1
]}

Zhou, Hong ^{[1
]}

Wang, Xiaoxia ^{[1
]}

Pan, Anlian ^{[1
]}

机构：

[1] Hunan Univ, Sch Phys & Elect, Changsha 410082, Hunan, Peoples R China

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2016年 / 98卷

基金：

中国国家自然科学基金;

关键词：

Rare-earth; Perovskite; Upconversion luminescence; Temperature-sensing; PHOTOLUMINESCENCE; EMISSION;

D O I：

10.1016/j.jpcs.2016.06.002

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work we demonstrate the preparation of Er3+ doped perovskite ferroelectric Na(0.5)Bia(5)TiO(3) nanocrystals and their application in temperature sensing. The samples were synthesized via a facile hydrothermal method. Upconversion emission at 528 nm and 547 nm from two thermodynamically coupled excited states of Er3+ were recorded in the temperature from 80 K to 480 K under the excitation of a 980 nm diode laser. The emission intensity ratio (I-528/I-547) as a function of the temperature was investigated. A sensitivity of 0.0053 K-1 is observed at 400 K, suggesting they are promising candidate for nanothermometers. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：28 / 31

页数：4

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