Cubic-phase NaYF4:Pr3+, Yb3+down-conversion phosphors for optical temperature sensing

被引：4

作者：

Pudovkin, M. S. ^{[1
,3
]}

Kuznetsov, S. V. ^{[1
,2
]}

Konuyshkin, V. A. ^{[2
]}

Nakladov, A. N. ^{[2
]}

Voronov, V. V. ^{[2
]}

机构：

[1] Kazan Fed Univ, Inst Phys, 18 Kremlyovskaya Str, Kazan 420008, Russia

[2] Russian Acad Sci, Prokhorov Gen Phys Inst, 38 Vavilov Str, Moscow 119991, Russia

[3] Kazan Fed Univ, Dept Quantum Elect & Radiospect, 18 Kremljovskaya Str, Kazan 420008, Russia

来源：

SOLID STATE COMMUNICATIONS | 2023年 / 370卷

基金：

俄罗斯科学基金会;

关键词：

Cubic-phase NaYF4; Pr3+; Yb3+; Down-conversion; Luminescent thermometry; Optical temperature sensors; UP-CONVERSION; EARTH; DOWNCONVERSION; LUMINESCENCE; EMISSION; YB3+;

D O I：

10.1016/j.ssc.2023.115235

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The cubic phase NaYF4:Pr3+, Yb3+ single crystals were grown in the resistive furnace by the BridgmanStockbarger technique with following milling in an agate mortar. The luminescence intensity ratio (LIR) between 3P1 - 3H5 and 3P0 - 3H5 emissions of Pr3+ was taken a temperature-dependent parameter. The calculated absolute (Sa) temperature sensitivity was 0.0075 at 320 K. The LIR between 3P0 - 1G4 (Pr3+) and 2F5/2 - 2F7/2 (Yb3+) emissions is also temperature-dependent due to phonon-assisted nature of energy transfer between 1G4 of Pr3+ and 2F5/2 of Yb3+. Sr and Sa demonstrated the highest values in the 100-220 K temperature range (Sa (max) = 0.0047 K-1 at 150 K).NaYF4:Pr3+, Yb3+ samples are useful in optical temperature sensing in the broad temperature range from 100 up to 320 K.

引用

页数：7

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