Multicolor and multimodal luminescence in an Er<sup>3+</sup> single-doped double perovskite for advanced anti-counterfeiting and encryption

Li, Sixia; Zhang, Peng; Wang, Zhenbing; Yang, Yuzhu; Miao, Xuan; Liu, Weisheng

doi:10.1039/d4qi00549j

Inorg. Chem. Front.

2024

DOI: 10.1039/d4qi00549j

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Multicolor and multimodal luminescence in an Er³⁺ single-doped double perovskite for advanced anti-counterfeiting and encryption

Sixia Li,

Peng Zhang,

Zhenbing Wang

et al.

Abstract: Multicolor and multimodal luminescence materials play crucial roles in anti-counterfeiting and encryption technologies due to the attractive properties of colorful, visually identifiable emissions and distinct emission modes in various excitation...

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High Defect Tolerance Breaking the Design Limitation of Full‐Spectrum Multimodal Luminescence Materials

Zhang,

Zhao,

Jia

et al. 2024

Advanced Materials

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With the development of optical anti‐counterfeiting and the increasing demand for high‐level information encryption, multimodal luminescence (MML) materials attract much attention. However, the discovery of these multifunctional materials is very accidental, and the versatile host suitable for developing such materials remains unclear. Here, a grossite‐type fast ionic conductor CaGa4O7, characterized by layered and tunnel structure with excellent defect tolerance, is found to meet the needs of various luminescent processes. Almost all luminescent modes, including down/up‐conversion luminescence (DCL/UCL), long persistent luminescence (LPL), mechanoluminescence (ML), and X‐ray excited optical luminescence (XEOL), are realized in this single host. Full‐spectrum (from violet to near‐infrared) photoluminescence and ML as well as multicolor XEOL are achieved by simply changing the doped luminescent center. A series of anti‐counterfeiting devices, including the quasi‐dynamic display of famous paintings, digital information encryption, and multi‐color handwritten signatures, are designed to show the encryption of information in temporal and spatial dimensions. This study clarifies the importance of defect tolerance of the host for the development of MML materials, and provides a unique insight into the cross‐field applications of special functional materials, which is a new strategy to accelerate the development of novel MML materials.

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High Defect Tolerance Breaking the Design Limitation of Full‐Spectrum Multimodal Luminescence Materials

Zhang,

Zhao,

Jia

et al. 2024

Advanced Materials

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Singlet-triplet emissive tuning enables dual-mode stimuli-responsive luminescence in 0D Cs2ZrCl6:Sb3+/8-hydroxyquinoline composites for multilevel optical encryption

Zha,

Duan,

Meng

et al. 2025

Chemical Engineering Journal

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Multicolor and multimodal luminescence in an Er³⁺ single-doped double perovskite for advanced anti-counterfeiting and encryption

Abstract: Multicolor and multimodal luminescence materials play crucial roles in anti-counterfeiting and encryption technologies due to the attractive properties of colorful, visually identifiable emissions and distinct emission modes in various excitation...

Cited by 2 publications

References 43 publications

High Defect Tolerance Breaking the Design Limitation of Full‐Spectrum Multimodal Luminescence Materials

High Defect Tolerance Breaking the Design Limitation of Full‐Spectrum Multimodal Luminescence Materials

Singlet-triplet emissive tuning enables dual-mode stimuli-responsive luminescence in 0D Cs2ZrCl6:Sb3+/8-hydroxyquinoline composites for multilevel optical encryption

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Multicolor and multimodal luminescence in an Er3+ single-doped double perovskite for advanced anti-counterfeiting and encryption

Abstract: Multicolor and multimodal luminescence materials play crucial roles in anti-counterfeiting and encryption technologies due to the attractive properties of colorful, visually identifiable emissions and distinct emission modes in various excitation...

Cited by 2 publications

References 43 publications

High Defect Tolerance Breaking the Design Limitation of Full‐Spectrum Multimodal Luminescence Materials

High Defect Tolerance Breaking the Design Limitation of Full‐Spectrum Multimodal Luminescence Materials

Singlet-triplet emissive tuning enables dual-mode stimuli-responsive luminescence in 0D Cs2ZrCl6:Sb3+/8-hydroxyquinoline composites for multilevel optical encryption

Contact Info

Product

Resources

About

Multicolor and multimodal luminescence in an Er³⁺ single-doped double perovskite for advanced anti-counterfeiting and encryption