Thermal activation induced charge transfer state absorption redshift realizes strong anti-thermal quenching in Pr3+-activated phosphor

Xiang Lv; Ning Guo; Song Qu; Yanmei Xin; Mei Yang; Baiqi Shao; Ruizhuo Ouyang

doi:10.1039/D3CC05201J

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Thermal activation induced charge transfer state absorption redshift realizes strong anti-thermal quenching in Pr³⁺-activated phosphor†

Xiang Lv,

^a Ning Guo,

*^a Song Qu,^a Yanmei Xin,^a Mei Yang,^b Baiqi Shao^c and Ruizhuo Ouyang^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, P. R. China
E-mail: guoning@usst.edu.cn

^b Eye & ENT Hospital of Fudan University, Fudan University, Shanghai 200031, P. R. China

^c State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China

Abstract

In our work, a totally anomalous thermal quenching phenomenon of red-shifted and enhanced charge transfer state (CTS) absorption is found for the first time in LiTaO₃:xPr³⁺ phosphors. The crystal structure, luminescent properties and the mechanism of abnormal thermal quenching were investigated in detail.

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Article information

DOI: https://doi.org/10.1039/D3CC05201J
Article type: Communication
Submitted: 23 Oct 2023
Accepted: 05 Feb 2024
First published: 06 Feb 2024

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Chem. Commun., 2024,60, 2804-2807

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Thermal activation induced charge transfer state absorption redshift realizes strong anti-thermal quenching in Pr³⁺-activated phosphor

X. Lv, N. Guo, S. Qu, Y. Xin, M. Yang, B. Shao and R. Ouyang, Chem. Commun., 2024, 60, 2804 DOI: 10.1039/D3CC05201J

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