Achievement of multi-excitation anti-counterfeiting applications using lanthanide Cs2NaTmCl6 double perovskite single crystals

IF 5.6 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2025-09-01 DOI:10.1016/j.ceramint.2025.06.262

Linghui Meng , Wuyang Fan , Fangfei Yan , Lu Liu , Haoming Wei , Yangqing Wu , Bingqiang Cao

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引用次数: 0

Abstract

Lanthanide-doped inorganic perovskites have always been regarded as excellent luminescent materials for anti-counterfeiting and information encryption, owing to their simple design, color tunability and unique optical properties. In this study, Cs₂NaTmCl₆ double perovskite single crystals (DPSCs), achieving tunable multimode luminescence under varying temperatures and excitation wavelengths were obtained. The possible emission and energy transfer mechanisms between Tm³⁺ ions under different temperature are discussed in detail. Furthermore, the unique optical properties of Cs₂NaTmCl₆ DPSCs enable us to demonstrate its applications in multi-mode responsive dynamic fluorescence anti-counterfeiting. These findings provide new approach for the application of information encryption.

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镧系Cs2NaTmCl6双钙钛矿单晶多激励防伪应用的实现

镧系掺杂无机钙钛矿由于其设计简单、颜色可调性好、光学性质独特等优点，一直被认为是防伪和信息加密的优秀发光材料。在本研究中，获得了在不同温度和激发波长下实现可调谐多模发光的Cs2NaTmCl6双钙钛矿单晶（DPSCs）。详细讨论了不同温度下Tm3+离子之间可能的发射和能量传递机制。此外，Cs2NaTmCl6 DPSCs独特的光学性质使我们能够展示其在多模式响应动态荧光防伪中的应用。这些发现为信息加密的应用提供了新的途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.