双包晶 CaSrMSbO6（M = La、Gd、Y）：用于多功能应用的 Bi3+ 荧光粉

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

Ceramics International Pub Date : 2024-10-04 DOI:10.1016/j.ceramint.2024.10.026

Bin Li, Chong Yang, Rongbo Ma, Bin Cao, Chaoyong Deng, Weichao Huang

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引用次数: 0

摘要

最近，掺杂 Bi3+ 的发光材料在多种应用领域引起了人们的极大兴趣。在这项工作中，我们开发了一系列 Bi3+ 活化的 CaSrMSbO6（M = La、Gd、Y）双包晶结构荧光粉，在 350 纳米至 500 纳米范围内发出蓝色光。Bi3+ 离子的发射光谱位置和强度可通过改变激发波长和掺杂浓度来调整。该研究全面分析了局部晶场环境与发光特性之间的关系。重要的是，研究了 CaSrLaSbO6: Bi3+ 的光学温度特性，发现其在 298 K 时的最大相对灵敏度为 4.57 % K-1。此外，使用 CaSrLaSbO6: Bi3+ 荧光粉制备了防伪油墨，并在不同的光刺激下显示出可调的发射。这些结果表明，CaSrLaSbO6：Bi3+ 荧光粉在光学温度传感和防伪方面具有应用潜力。

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Double perovskite CaSrMSbO6(M = La, Gd, Y): Bi3+ phosphors for multifunctional application

Bi³⁺-doping luminescent materials have recently evoked considerable interest in versatile applications. In this work, we have developed a series of Bi³⁺-activated CaSrMSbO₆(M = La, Gd, Y) phosphors with double perovskite structures, exhibiting blue emission from 350 nm to 500 nm. The emission spectral position and intensity of Bi³⁺ ions can be tuned by changing excitation wavelength and doping concentrations. The relationship between the local crystal field environment and the luminescence properties is comprehensively analyzed. Importantly, optical temperature properties of CaSrLaSbO₆: Bi³⁺ were investigated and were found to reach a maximum relative sensitivity of 4.57 % K⁻¹ at 298 K. Furthermore, the anti-counterfeiting ink was prepared using CaSrLaSbO₆: Bi³⁺ phosphors, and it showed tunable emission under different light stimulation. These results indicate that CaSrLaSbO₆: Bi³⁺ phosphors have application potential in optical temperature sensing and anti-counterfeiting.

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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.