Bi3+掺杂YBO3荧光粉的x射线激发紫外持续发光用于信息加密

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

Ceramics International Pub Date : 2025-02-28 DOI:10.1016/j.ceramint.2025.02.405

Shenghui Zheng , Yafang Chen , Kaihui Lin , Liting Qiu , Zhixia Zheng , Yiqing Cao , Yuda Lin

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引用次数: 0

摘要

x射线激发紫外线（UV）持续发光（PersL）材料被认为是x射线成像加密应用中光学成像的最佳选择，因为它们的激发源和发射光谱对人眼来说是不可见的。然而，x射线激发UV材料的效率目前是有限的，特别是与紫外线激发的材料相比。有必要开发能够被x射线有效激发的UV PersL材料。本文提出了一种新型UV PersL材料YBO3:Bi3+，Li+，该材料在x射线激发后表现出较高的效率，有望应用于x射线图像加密。通过优化Bi3+的浓度和添加Li+， YBO3:Bi3+、Li+在x射线激发后能够在326 nm处发射紫外PersL，持续时间超过40 h。此外，实验表征还揭示了YBO3:Bi3+、Li+在白光、红光和近红外光源下具有优异的光激发发光效果。此外，所提出的双模检测能力通过利用出色的UV PersL性能和短时间x射线激发，在x射线加密成像应用中展示了高水平的机密性。

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X-ray excited ultraviolet persistent luminescence from Bi3+-doped YBO3 phosphor for information encryption applications

X-ray Stimulated ultraviolet (UV) persistent luminescence (PersL) materials are considered the optimal choice for optical imaging in X-ray imaging encryption applications due to their excitation source and emission spectra being invisible to the human eyes. However, the efficiency of X-ray excited UV PersL materials are currently limited, particularly when compared to those excited by UV. There is a need to develop UV PersL materials that can be efficiently excited by X-ray. Here we present a novel UV PersL material YBO₃:Bi³⁺,Li⁺, which exhibits high efficiency after X-ray excitation and holds promise for applications in X-ray image encryption. Through optimization of Bi³⁺ concentration and addition of Li⁺, YBO₃:Bi³⁺,Li⁺ demonstrates the capability to emit UV PersL at 326 nm after X-ray excitation, lasting for over 40 h. In addition, the experimental characterization also revealed that YBO₃:Bi³⁺,Li⁺ have excellent photo-stimulated luminescence effects on white light, red light and near-infrared light sources. Furthermore, the proposed dual-mode detection capabilities demonstrate a high level of confidentiality in X-ray encryption imaging applications by leveraging excellent UV PersL performances and utilizing short time X-ray excitation.

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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.