富Eu3+离子的碱土氟氧三元玻璃的光谱细化,以增强红色激光和光电子应用的性能

IF 4.3 3区 材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY
T. Gayathri , G. Muralidharan , Upendra Kumar Kagola , Ranjib Kumar Padhi , P. Matheswaran , K. Marimuthu
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引用次数: 0

摘要

现有的研究考察了以氧化物和氟化物形式改性的碱土元素富集Eu3+三元(涉及三层B2O3, TeO2, Bi2O3)玻璃的发光性能。具有独特组成的64B2O3+15TeO2 +20Bi2O3+1Eu2O3三元玻璃;采用熔体淬火工艺制备了44B2O3+15TeO2+20Bi2O3+ 20m +1Eu2O3(其中M = SrO, SrF2, BaO和BaF2)。物理特性的估计,以检查玻璃的结构和光学行为。利用紫外/可见/近红外光谱对4f−4f电子跃迁进行了详细的研究,并通过散射效应测试了成键动力学。在所有样品中观察到的相干趋势Ω2>;Ω4>;Ω6表明Eu3+离子与配体之间的不对称和共价网络占主导地位。利用PL光谱,进行了比色研究,以获得准确的发射总量,并估计了主敏感参数,以验证键合网络的存在性质。为了观察潜在的候选激光,使用Judd-Ofelt强度参数评估辐射参数。SrF2改进剂加入了玻璃显示增强的辐射参数值,从而确认了红光发射的适用性。在矩阵中加入改进剂增强了辐射发射,从而建立了光学应用。衰变分析揭示了激发态寿命,证明了Eu3+含量与玻璃辐射效率之间的直接相关性。观察到Eu:BTSrF玻璃的量子效率为75%,这表明其适合于光电子应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spectroscopic refinement of the Eu3+ ions enriched Alkaline-earth oxyfluoro ternary glasses for enhanced performance of red laser and optoelectronic applications
The existing study scrutinizes the luminescence performance of the Eu3+ enriched ternary (tri-formers B2O3, TeO2, Bi2O3 involved) glasses modified with alkaline-earth elements in the form of oxides and fluorides. The ternary glasses with unique composition 64B2O3+15TeO2 +20Bi2O3+1Eu2O3 & 44B2O3+15TeO2+20Bi2O3+20 M+1Eu2O3 (where M = SrO, SrF2, BaO and BaF2) have been fabricated adopting melt-quench process. The physical traits were estimated to examine the structural and optical behavior of the glasses. The UV/Vis/NIR optical absorption was investigated to study the 4f−4f electronic transitions in detail and the bonding dynamics were tested through the nephelauxetic effect. The coherent trend Ω246 observed in all the samples signifies the dominant asymmetric and covalence network amid Eu3+ ions and the ligands. Using the PL spectra, the colorimetric studies were carried out to obtain the exact emission totality, and the host sensitive parameters are also estimated to verify the existing nature of the bonding network. To observe the potential candidate for lasing, the radiative parameters were assessed using Judd-Ofelt intensity parameters. The SrF2 modifier incorporated glass display enhanced values of the radiative parameters which in turn confirms the suitability for red-light emission. Incorporating modifiers into the matrix enhances the radiative emission which in turn establishes the optical applications. The decay analysis revealed insights into the excited-state lifetimes, demonstrating a direct correlation between the Eu3+ content and the radiative efficiency of the glasses. The quantum efficiency was observed as 75 % for the Eu:BTSrF glass which signals its aptness for optoelectronics applications.
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来源期刊
Journal of Physics and Chemistry of Solids
Journal of Physics and Chemistry of Solids 工程技术-化学综合
CiteScore
7.80
自引率
2.50%
发文量
605
审稿时长
40 days
期刊介绍: The Journal of Physics and Chemistry of Solids is a well-established international medium for publication of archival research in condensed matter and materials sciences. Areas of interest broadly include experimental and theoretical research on electronic, magnetic, spectroscopic and structural properties as well as the statistical mechanics and thermodynamics of materials. The focus is on gaining physical and chemical insight into the properties and potential applications of condensed matter systems. Within the broad scope of the journal, beyond regular contributions, the editors have identified submissions in the following areas of physics and chemistry of solids to be of special current interest to the journal: Low-dimensional systems Exotic states of quantum electron matter including topological phases Energy conversion and storage Interfaces, nanoparticles and catalysts.
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