Research Article

Orange Emitting SrS: Eu2+, Dy3+ Afterglow Phosphor: Structural and Luminescence Properties

Volume: 45 Number: 2 June 30, 2024
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Orange Emitting SrS: Eu2+, Dy3+ Afterglow Phosphor: Structural and Luminescence Properties

Abstract

SrS:Eu is known as an attractive material for imaging, scintillator, or persistent phosphor applications, thanks to its effective photoluminescence (PL) and thermoluminescence (TL) capabilities, but there are still great mysteries of persistent phosphors and attract great interest. Hence, this work investigated the luminescence properties of well-known persistent phosphor based on SrS using various spectroscopic techniques for detailed characterization. Measurements using X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) were used to analyze the phase and elements of the phosphor. Belongs to the XRD data the microcrystalline phosphor is cubic, and the diameters ranged from 1 to 100 µm. The morphology of the phosphor was examined by scanning electron microscope (SEM). A time-resolved PL system recorded PL properties, namely the emission and excitation spectra of the phosphor. SrS emits around 626 nm with a broad excitation band peaking around 466 nm. A TLD reader system measured the TL glow curve of the phosphors after UVB radiation. The TL glow curve exhibited a broad peak around 160oC. The dose-response of this peak was obtained up to 600 seconds of exposure to UVB radiation, and it was observed that the dose-response curve exhibits a saturating exponential behavior.

Keywords

References

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Details

Primary Language

English

Subjects

Material Physics

Journal Section

Research Article

Authors

Publication Date

June 30, 2024

Submission Date

December 23, 2023

Acceptance Date

March 1, 2024

Published in Issue

Year 2024 Volume: 45 Number: 2

DOI

https://doi.org/10.17776/csj.1408773

IZ

https://izlik.org/JA88EJ64AC

Cite

RIS / Bibtex
APA
Karsu Asal, E. C., & Yıldırım, S. (2024). Orange Emitting SrS: Eu2+, Dy3+ Afterglow Phosphor: Structural and Luminescence Properties. Cumhuriyet Science Journal, 45(2), 394-399. https://doi.org/10.17776/csj.1408773

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