Synthesis and Properties of Sm3+/Gd3+ Co-Doped B2O3–GeO2–Bi2O3 Glass Composition

IF 0.6 4区 材料科学 Q4 MATERIALS SCIENCE, CERAMICS
S. S. Zykova, K. S. Serkina, K. I. Runina, I. Ch. Avetissov, O. B. Petrova, K. A. Boldyrev
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Abstract

Within the scope of the study, glasses co-doped with Sm3+/Gd3+ based on the B2O3–GeO2–Bi2O3 system were synthesized, covering compositions of 40B2O3–40GeO2–(15 – 17)Bi2O3–(3 – 2)Sm2O3–(2 – 1)Gd2O3 and 42.5B2O3–42.5GeO2–(11.25 – 12.75)Bi2O3–(2.25 – 1.50)Sm2O3–(1.500 – 0.075)Gd2O3. An assessment of luminescent characteristics was carried out within the temperature range of 298 – 673 K. Spectral bands of photoluminescence associated with transitions between various Stark sublevels of Sm3+ ions were identified. Redistribution of the fluorescence intensity ratio corresponding to 4G5/26H9/2 (\({\uplambda }_{\mathrm{PL}}^{\mathrm{max}}\) = 645 nm) and 4G5/26H7/2 (\({\uplambda }_{\mathrm{PL}}^{\mathrm{max}}\) = 597 nm) transitions was observed. Based on the obtained data, calculations of the fluorescence intensity ratio FIR, as well as relative sensitivity SR, were carried out. The obtained results indicate the promising potential of these glasses as luminescent thermometric materials.

Abstract Image

Abstract Image

Sm3+/Gd3+ 共掺杂 B2O3-GeO2-Bi2O3 玻璃成分的合成与特性
在研究范围内,合成了基于 B2O3-GeO2-Bi2O3 体系的共掺杂 Sm3+/Gd3+ 的玻璃,其成分包括 40B2O3-40GeO2-(15 - 17)Bi2O3-(3 - 2)Sm2O3-(2 - 1)Gd2O3 和 42.5B2O3-42.5GeO2-(11.25 - 12.75)Bi2O3-(2.25 - 1.50)Sm2O3-(1.500 - 0.075)Gd2O3。5B2O3-42.5GeO2-(11.25-12.75)Bi2O3-(2.25-1.50)Sm2O3-(1.500-0.075)Gd2O3。对发光特性的评估是在 298 - 673 K 的温度范围内进行的。观察到了与 4G5/2 → 6H9/2 (\({\uplambda }_{\mathrm{PL}}^{\mathrm{max}}\) = 645 nm) 和 4G5/2 → 6H7/2 (\({\uplambda }_{\mathrm{PL}}^{\mathrm{max}}\) = 597 nm) 转变相对应的荧光强度比的重新分布。根据获得的数据,对荧光强度比 FIR 和相对灵敏度 SR 进行了计算。所获得的结果表明,这些玻璃作为发光测温材料具有广阔的发展前景。
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来源期刊
Glass and Ceramics
Glass and Ceramics 工程技术-材料科学:硅酸盐
CiteScore
1.00
自引率
16.70%
发文量
85
审稿时长
6-12 weeks
期刊介绍: Glass and Ceramics reports on advances in basic and applied research and plant production techniques in glass and ceramics. The journal''s broad coverage includes developments in the areas of silicate chemistry, mineralogy and metallurgy, crystal chemistry, solid state reactions, raw materials, phase equilibria, reaction kinetics, physicochemical analysis, physics of dielectrics, and refractories, among others.
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