Upconversion emission in Er-doped and Er/Yb-codoped ferroelectric Na0.5Bi0.5TiO3 and its temperature sensing application

被引：208

作者：

Du, Peng ^{[1
]}

Luo, Laihui ^{[1
]}

Li, Weiping ^{[1
]}

Yue, Qingying ^{[1
]}

机构：

[1] Ningbo Univ, Dept Microelect Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2014年 / 116卷 / 01期

基金：

中国国家自然科学基金;

关键词：

LUMINESCENCE; NANOCRYSTALS; FLUORESCENCE; COMPLEX; GLASSES; FILMS;

D O I：

10.1063/1.4886575

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Upconversion emissions of Er-doped and Er/Yb-codoped Na0.5Bi0.5TiO3 have been studied. Under 980 nm excitation, all samples exhibit strong green and red upconversion emissions, which can be seen by naked eyes. The Er/Yb-codoped Na0.5Bi0.5TiO3 ceramic has stronger upconversion emission intensity than Er-doped Na0.5Bi0.5TiO3 ceramic. Additionally, the optical temperature sensing properties based on upconversion emissions of Er/Yb-codoped Na0.5Bi0.5TiO3 ceramic were also investigated. The results demonstrate that the maximum sensitivity and temperature sensing resolution were 0.0031 K-1 and 0.3K respectively, suggesting that the Er/Yb-codoped Na0.5Bi0.5TiO3 has potential application as optical temperature sensing materials. (C) 2014 AIP Publishing LLC.

引用

页数：6

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