掺杂 Er3+/Yb3+ 的 SiO2-B2O3-GdF3-CaO-Bi2O3 玻璃的结构、J-O 分析和近红外发光特性

IF 3.8 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Pub Date : 2024-09-14 DOI:10.1016/j.optmat.2024.116118

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引用次数: 0

摘要

采用高温熔融法成功合成了含有不同浓度 Er3+/Yb3+ 离子的 SiO2-B2O3-GdF3-CaO-Bi2O3 掺杂玻璃。通过密度、XRD、XPS、傅立叶变换红外光谱和拉曼分析，对玻璃样品的理化性质和无定形结构进行了表征。热膨胀系数测试表明玻璃体系具有良好的热稳定性。提高 Yb3+ 的掺杂浓度可增强 1.53 μm 处的近红外发光强度，在掺杂浓度约为 3.2 mol% 时发光强度最大。通过荧光光谱分析，阐明了掺杂了 Er3+/Yb3+ 的 SiO2-B2O3-GdF3-CaO-Bi2O3 玻璃的能量传递机制，揭示了 J-O 参数 Ω2 = 11.2 × 10-20 cm2、Ω4 = 8.9 × 10-20 cm2 和 Ω6 = 9.59 × 10-20 cm2。对吸收截面、发射截面和增益曲线的计算进一步增强了玻璃在激光用途上的能力。

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Structure, J-O analysis, and near-infrared luminescence of Er3+/Yb3+ doped SiO2–B2O3-GdF3-CaO-Bi2O3 glass

SiO₂–B₂O₃-GdF₃-CaO-Bi₂O₃ doped glasses containing Er³⁺/Yb³⁺ ions at varying concentrations were successfully synthesized using a high-temperature melting method. The glass samples' physicochemical properties and amorphous structure were characterized through density, XRD, XPS, FT-IR, and Raman analyses. Thermal expansion coefficient testing indicated good thermal stability of the glass system. Increasing the Yb³⁺ doping concentration enhanced near-infrared luminescence at 1.53 μm, with maximum luminescence intensity at approximately 3.2 mol% doping concentration. The energy transfer mechanism of Er³⁺/Yb³⁺ doped SiO₂–B₂O₃-GdF₃-CaO-Bi₂O₃ glass was elucidated through fluorescence spectrum analysis, revealing J-O parameters Ω₂ = 11.2 × 10⁻²⁰ cm², Ω₄ = 8.9 × 10⁻²⁰ cm², and Ω₆ = 9.59 × 10⁻²⁰ cm². Calculations for absorption cross-section, cross-section of emission, and gain curve additionally reinforced the glass's capability for laser uses.

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.