Luminescent Properties of Pr3+-Doped LiBaF3 Crystallites

被引：0

作者：

Zdeb-Stanczykowska, Patrycja ^{[1
]}

Grippa, Alexander ^{[2
]}

Deren, Przemyslaw J. ^{[1
]}

Voloshinovskii, Anatoliy ^{[3
]}

Pushak, Andriy ^{[3
]}

Smortsova, Yevheniia ^{[4
]}

Rebrova, Nadiia ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50422 Wroclaw, Poland

[2] Natl Acad Sci Ukraine, Inst Scintillat Mat, UA-61001 Kharkiv, Ukraine

[3] Ivan Franko Natl Univ Lviv, UA-79000 Lvov, Ukraine

[4] Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany

来源：

INORGANIC CHEMISTRY | 2025年 / 64卷 / 03期

关键词：

PHOTON CASCADE EMISSION; RARE-EARTH IONS; PR3+; SCINTILLATION; PRASEODYMIUM; LANTHANIDES; 4F(1)5D(1); MECHANISM; GROWTH; CE3+;

D O I：

10.1021/acs.inorgchem.4c04443

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Research is ongoing to develop new phosphors capable of emitting light across a broad spectrum, ranging from the ultraviolet (UV) to the infrared region, with potential applications in diverse fields. Using the method of solid-state reactions, a series of LiBaF3:Pr3+ phosphors were obtained, and their luminescent properties in the UV-visible range were studied. The photon cascade emission (PCE) phenomenon has been observed under excitation of the 4f5d bands of Pr3+. The spectral and kinetic luminescent characteristics of LiBaF3:Pr3+ under X-ray excitation (40 keV) were studied. The X-ray excited luminescence spectrum of LiBaF3:Pr3+ consists of the emission of Pr3+ ions, the emission of self-trapped excitons, and the core-valence luminescence of the LiBaF3 host. In addition, the study assessed the optical-thermometric properties of LiBaF3:Pr3+ in the temperature range of 83-563 K, revealing the potential of temperature sensing in the physiological range. This study not only describes the luminescent properties of the newly synthesized LiBaF3:Pr3+ but also explores its potential applications as a fast ultraviolet scintillator and an optical temperature sensor.

引用

页码：1379 / 1388

页数：10

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