Unified structure–property appraisal of NIR-emitting Yb3+-activated phosphate glasses

IF 2 3区化学 Q4 CHEMISTRY, PHYSICAL Chemical Physics Pub Date : 2024-11-12 DOI:10.1016/j.chemphys.2024.112530

Richard Amesimenu, José A. Jiménez

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Abstract

Near-infrared (NIR)-emitting Yb³⁺-containing glasses with 50P₂O₅-(50 – x)BaO-xYb₂O₃ (x = 0, 0.5, 1.0, 2.0, 3.0, 4.0 mol %) nominal compositions were made by melting and studied comprehensively through refractive index, density, X-ray diffraction, X-ray photoelectron spectroscopy, Raman spectroscopy, dilatometry, differential scanning calorimetry, UV–Vis-NIR optical absorption, and photoluminescence spectroscopy measurements. The results obtained from the various techniques were analyzed quantitatively in detail and discussed in the context of the variation in Yb₂O₃ contents and the impact of high-field strength Yb³⁺ ions affecting the different properties. Ultimately, concentration correlations with data obtained from densitometry, Raman scattering, dilatometry, calorimetry, and photoluminescence measurements pointed to the occurrence of a critical Yb₂O₃ concentration at about 1.9 (± 0.3) mol% distinguishing low- and high-concentration effects of Yb³⁺ ions.

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近红外发光 Yb3+ 激活磷酸盐玻璃的结构-性能统一评估

通过熔融法制备了标称成分为 50P2O5-(50 - x)BaO-xYb2O3 (x = 0, 0.5, 1.0, 2.0, 3.0, 4.0 mol %) 的含 Yb3+ 的近红外（NIR）发光玻璃。0 mol %）标称成分，并通过折射率、密度、X 射线衍射、X 射线光电子能谱、拉曼光谱、稀释测量、差示扫描量热法、紫外-可见-近红外光学吸收和光致发光光谱测量进行了综合研究。对各种技术得出的结果进行了详细的定量分析，并结合 Yb2O3 含量的变化和高场强 Yb3+ 离子对不同性质的影响进行了讨论。最终，浓度与密度计、拉曼散射、膨胀计、量热计和光致发光测量所获数据的相关性表明，Yb2O3 的临界浓度约为 1.9 (± 0.3) 摩尔%，从而区分了 Yb3+ 离子的低浓度和高浓度效应。

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来源期刊

Chemical Physics 化学-物理：原子、分子和化学物理

CiteScore

4.60

自引率

4.30%

发文量

278

审稿时长

39 days

期刊介绍： Chemical Physics publishes experimental and theoretical papers on all aspects of chemical physics. In this journal, experiments are related to theory, and in turn theoretical papers are related to present or future experiments. Subjects covered include: spectroscopy and molecular structure, interacting systems, relaxation phenomena, biological systems, materials, fundamental problems in molecular reactivity, molecular quantum theory and statistical mechanics. Computational chemistry studies of routine character are not appropriate for this journal.