含 CaGa2S4:Eu2+ 磷光体的低密度聚乙烯复合材料的光致发光特性

IF 0.8 4区化学 Q4 SPECTROSCOPY Journal of Applied Spectroscopy Pub Date : 2024-07-04 DOI:10.1007/s10812-024-01750-8

O. B. Tagiev, T. D. Ibragimov, I. S. Ramazanov, E. A. Asadov, A. F. Nuraliyev, T. Ya. Orudzhev, E. V. Lutsenko, V. N. Pavlovskii, A. V. Danilchyk, G. P. Yablonskii

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引用次数: 0

摘要

对含有不同含量 CaGa2S4:Eu2+ 磷填料的低密度聚乙烯复合材料的发光激发光谱、光致发光（PL）光谱以及发光动力学进行了研究。磷光归因于 Eu3+ 离子的 4f65d → 4f7 转变，当填料浓度为 7 vol.% 时，磷光强度最大。在 0.3 W/cm2 以下，磷光强度与激发功率密度呈线性关系，这表明这些荧光粉可用作各种照明系统中的可见辐射源。

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Photoluminescence of Low-Density Polyethylene Composites with the CaGa2S4:Eu2+ Phosphor

A study was carried out on the luminescence excitation spectra and photoluminescence (PL) spectra as well as the luminescence kinetics of low-density polyethylene composites with different contents of CaGa₂S₄:Eu²⁺ phosphor filler. The phospholuminescence was attributed to the 4f⁶5d → 4f⁷ transition of the Eu³⁺ ion and was greatest when the filler concentration was 7 vol.%. The dependence of the PL intensity on the excitation power density up to 0.3 W/cm² was found to be linear, indicating that these phosphors can be used as visible radiation sources in various lighting systems.

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来源期刊

Journal of Applied Spectroscopy SPECTROSCOPY-

CiteScore

1.30

自引率

14.30%

发文量

145

审稿时长

2.5 months

期刊介绍： Journal of Applied Spectroscopy reports on many key applications of spectroscopy in chemistry, physics, metallurgy, and biology. An increasing number of papers focus on the theory of lasers, as well as the tremendous potential for the practical applications of lasers in numerous fields and industries.