Effect of NaF and KF in photo and X-ray induced luminescence behaviors of Sm3+-doped lithium oxy-fluorophosphate glasses

IF 3.6 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2025-08-27 DOI:10.1016/j.jlumin.2025.121499

C.S. Sarumaha , E. Kaewnuam , N. Chanlek , N. Chanthima , S. Kothan , N. Intachai , A. Angnanon , P. Kanjanaboos , K. Choodam , H.J. Kim , J. Kaewkhao

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引用次数: 0

Abstract

Sm³⁺-doped lithium oxy-fluorophosphate glasses were successfully synthesized via the melt-quenching method, with partial substitution of P₂O₅ by NaF and KF to investigate compositional effects on structural and optical properties. The incorporation of alkali fluorides led to an increase in density and a corresponding decrease in molar volume, indicating a more compact glass network. X-ray photoelectron spectroscopy (XPS) analysis revealed that NaF addition significantly enhanced the presence of non-bridging oxygens (NBOs), confirming the structural depolymerization. Photoluminescence (PL) and X-ray induced luminescence (XIL) measurements exhibited distinct trends: PL intensity was enhanced with NaF due to increased NBOs, while XIL intensity was higher with KF addition, possibly due to more efficient energy transfer from secondary electrons. Chromaticity analysis based on CIE coordinates confirmed the stable orange emission across all glass samples, with negligible spectral shift. These findings provide valuable insight into tailoring Sm³⁺-activated glass scintillations through compositional modifications.

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NaF和KF对Sm3+掺杂氧氟磷酸锂玻璃光致和x射线致发光行为的影响

采用熔淬法制备了Sm3+掺杂氟氧磷酸锂玻璃，并用NaF和KF部分取代P2O5，研究了组分对其结构和光学性能的影响。碱氟化物的掺入导致了密度的增加和相应的摩尔体积的减小，表明玻璃网络更加紧凑。x射线光电子能谱（XPS）分析表明，NaF的加入显著增强了非桥氧（NBOs）的存在，证实了结构解聚。光致发光（PL）和x射线诱导发光（XIL）的测量显示出明显的趋势：由于NBOs的增加，NaF增强了PL强度，而KF的加入则提高了XIL强度，这可能是由于二次电子更有效的能量转移。基于CIE坐标的色度分析证实了所有玻璃样品的稳定橙色发射，光谱位移可以忽略不计。这些发现为通过成分修饰定制Sm3+活化玻璃闪烁提供了有价值的见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.