合成的L-Ta2O5:Er3+/Yb3+熔盐具有优异的纯绿色上转换发光性能

IF 3.8 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of the American Ceramic Society Pub Date : 2025-04-16 DOI:10.1111/jace.20583

Yuhan Fan, Yongze Cao, Meiling Li, Guojian Li, Shang Sun, Yichao Wang, Xu Sai, Jinsu Zhang, Baojiu Chen

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引用次数: 0

摘要

以B2O3为溶剂，采用熔盐法制备了L-Ta2O5:Er3+/Yb3+上转换荧光粉。Er3+和Yb3+的最佳掺杂浓度分别为0.2 mol%和2.5 mol%。在980 nm激光激发下，酸洗样品的绿色上转换发光（UCL）积分强度达到β-NaYF4:Er3+/Yb3+的40%。Er3+/Yb3+可能会占据Ta5+的位置并插入L-Ta2O5的中间层中。利用发光强度比（LIR）技术，在303 K下获得了0.95% K−1的相对温度灵敏度。L-Ta2O5:Er3+/Yb3+具有优异的纯绿色UCL强度和高温灵敏度，可应用于发光显示和温度传感。

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Molten salts synthesized L-Ta2O5:Er3+/Yb3+ with superior pure green upconversion luminescence

L-Ta₂O₅:Er³⁺/Yb³⁺ upconversion phosphors were synthesized by employing the molten salts method with B₂O₃ as solvent. The optimal doping concentrations of Er³⁺ and Yb³⁺ are 0.2 and 2.5 mol%, respectively. The green upconversion luminescence (UCL) integral intensity of the acid-pickling sample reached 40% of β-NaYF₄:Er³⁺/Yb³⁺ under 980 nm laser excitation. Er³⁺/Yb³⁺ may take the sites of Ta⁵⁺ and insert into the interlayers of L-Ta₂O₅. Using the luminescence intensity ratio (LIR) technique, the relative temperature sensitivity was obtained to be 0.95 %K⁻¹ at 303 K. L-Ta₂O₅:Er³⁺/Yb³⁺ with outstanding pure green UCL intensity and high-temperature sensitivity can be applied to luminescence display and temperature sensing.

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来源期刊

Journal of the American Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

7.50

自引率

7.70%

发文量

590

审稿时长

2.1 months

期刊介绍： The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials. Papers on fundamental ceramic and glass science are welcome including those in the following areas: Enabling materials for grand challenges[...] Materials design, selection, synthesis and processing methods[...] Characterization of compositions, structures, defects, and properties along with new methods [...] Mechanisms, Theory, Modeling, and Simulation[...] JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.