NIR-Ⅱ fluorescence and thermometry properties in negative thermal expansion phosphor Sc2(MoO4)3

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2025-03-01 DOI:10.1016/j.ceramint.2024.12.282

Xiuna Tian , Youfeng Wen , Hongjian Dou , Lingyuan Wu , Changjun Wang , Youzi Zhang

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Abstract

In the clinical diagnosis and treatment of diseases, there is an urgent need to find suitable materials for real-time temperature monitoring of biological tissues. The paper provides a detailed study of the effects of Nd³⁺ doping concentration on the negative thermal expansion performance and NIR fluorescence properties of Sc₂(MoO₄)₃. The results obtained from Rietveld refinement of in-situ XRD data indicates that high concentration of Nd³⁺ doping significantly influences the negative thermal expansion performance of the material, as well as alters the temperature-dependent changes in NIR fluorescence intensity and lifetime. In addition, a NIR fluorescence lifetime temperature probe doped with Nd³⁺/Yb³⁺/Er³⁺ has been constructed. When the temperature increased from 303 K to 403 K, the fluorescence intensity of the probe at 1538 nm increased by a factor of 127.5. Furthermore, as the temperature rose from 323 K to 403 K, the fluorescence lifetime of the probe at 1538 nm extended from 41.93 μs to 204 μs. By utilizing the lifetime of Er³⁺ for temperature sensing, a relative sensitivity of 6.03%K⁻¹ was achieved at 323 K, indicating significant potential application value of this probe in the field of biological temperature measurement.

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.