Investigation into the temperature sensing behavior of Yb3+ sensitized Er3+ doped Y2O3, YAG and LaAlO3 phosphors

Guofeng Liu; Linlin Fu; Zhiyi Gao; Xingxing Yang; Zuoling Fu; Zhiying Wang; Yanmin Yang

doi:10.1039/C5RA05986K

Investigation into the temperature sensing behavior of Yb³⁺ sensitized Er³⁺ doped Y₂O₃, YAG and LaAlO₃ phosphors†

Guofeng Liu,^a Linlin Fu,^a Zhiyi Gao,^a Xingxing Yang,^a Zuoling Fu,*^ab Zhiying Wang^d and Yanmin Yang*^c

* Corresponding authors

^a Key Laboratory of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, College of Physics, Jilin University, Changchun 130023, China
E-mail: zlfu@jlu.edu.cn
Fax: +86-431-85167966
Tel: +86-431-85167966

^b State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China
E-mail: zlfu@jlu.edu.cn
Fax: +86-431-85167966
Tel: +86-431-85167966

^c Luminescence and Display Research Institute, College of Physics Science and Technology, Hebei University, Baoding 071002, China
E-mail: mihuyym@163.com
Fax: +86-312-5079423
Tel: +86-312-5079423

^d College of Chemistry and Biology, Beihua University, Jilin 132013, China

Abstract

The optical temperature sensors based on Y₂O₃ (YAG/LaAlO₃):Yb³⁺/Er³⁺ have been successfully prepared by the sol–gel method. The sensing behavior of samples was studied as a function of temperature in the range 298–573 K for optical temperature measurement. The maximum sensor sensitivity derived from the ratio of fluorescence intensity (R) of the green upconversion (UC) emissions was approximately 0.0050 K⁻¹ (Y₂O₃). The influence of the different structures and bonding of the hosts on the temperature sensitivities of Er³⁺/Yb³⁺ co-doped Y₂O₃, YAG and LaAlO₃ was investigated in detail based on chemical bond theory. The calculated results could provide certain guiding significance for other relevant temperature sensing materials.

This article is part of the themed collection: RSC Advances Editors' collection: f Block Chemistry

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Article information

DOI: https://doi.org/10.1039/C5RA05986K
Article type: Paper
Submitted: 03 Elb 2015
Accepted: 22 Cam 2015
First published: 22 Cam 2015

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RSC Adv., 2015,5, 51820-51827

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Investigation into the temperature sensing behavior of Yb³⁺ sensitized Er³⁺ doped Y₂O₃, YAG and LaAlO₃ phosphors

G. Liu, L. Fu, Z. Gao, X. Yang, Z. Fu, Z. Wang and Y. Yang, RSC Adv., 2015, 5, 51820 DOI: 10.1039/C5RA05986K

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