Co-doped long persistent luminescence materials LiSr3SiO4Cl3:Eu2+,Ln3+ (Ln = Dy, Ho, Er): construction and verification of VRBE and HRBE scheme and their multifunctional applications

Lin, Yibin; Ming, Chengzhuo; zhenbin, wang; Yu, Binxun; Yu-lin, Yang; Liu, Weisheng

doi:10.1039/d3qi01045g

Inorg. Chem. Front.

2023

DOI: 10.1039/d3qi01045g

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Co-doped long persistent luminescence materials LiSr₃SiO₄Cl₃:Eu²⁺,Ln³⁺ (Ln = Dy, Ho, Er): construction and verification of VRBE and HRBE scheme and their multifunctional applications

Yibin Lin¹,

Chengzhuo Ming²,

wang zhenbin³

et al.

Abstract: Long persistent luminescence (LPL) hosts and the traps’ mechanism are important and necessary but not researched enough. Moreover, the traditional high-temperature (over 1000 ℃) solid-phase synthesis method conflict with energy-saving....

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2024

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Cited by 3 publications

References 41 publications

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Highly Stable Oxynitride Persistent Phosphors with Widely Distributed Traps for Information Storage and Anticounterfeiting

Lv,

Zhao,

et al. 2024

Advanced Optical Materials

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Persistent phosphors are widely investigated in indications, bio‐imaging, information storage, and anticounterfeiting. However, it remains a challenge to develop highly stable persistent phosphors with abundant and widely distributed traps. Here, a Ba0.58Sr0.4Al3Si3O4N5:0.02Yb2+ (Ba0.6Sr0.4Al3Si3O4N5:Yb2+) persistent phosphor with an excellent persistent luminescence (PersL) time of 383 min is reported before decaying to 0.32 mcd m−2 due to the existence of abundant intrinsic electron traps. Ba0.6Sr0.4Al3Si3O4N5:Yb2+ owns a trap distribution ranging from 0.41 to 1.04 eV and has a remarkably broad full width at half maximum (FWHM) of TL curve (169 K) among currently reported persistent phosphors. The robust stability of Ba0.6Sr0.4Al3Si3O4N5:Yb2+ is evidenced by immersing in hot water and annealing at the high temperature for different time, which showed PersL retention rates of over 90%. Temperature‐assisted information storage in this persistent phosphor is successfully demonstrated. Furthermore, a step‐by‐step write‐in method is implemented in anticounterfeiting, and the coded information can be optionally decoded at different temperatures due to the wide trap distribution in Ba0.6Sr0.4Al3Si3O4N5:Yb2+. This work demonstrates highly stable oxynitride persistent phosphors with widely distributed traps show great promise in information storage, anticounterfeiting, and photodetectors.

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Highly Stable Oxynitride Persistent Phosphors with Widely Distributed Traps for Information Storage and Anticounterfeiting

Lv,

Zhao,

et al. 2024

Advanced Optical Materials

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Design opto-thermo-mechano-multi-responsive luminescence from Sr4Al14O25: Eu2+, Nd3+, Tm3+ for optical information storage

Liu,

Yang,

et al. 2024

Ceramics International

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Realizing Bright−Dark Dual-Field Multimode Optical Signals in Photochromic Apatite Phosphors for Security Identification

Hu,

Bao,

Zhou

et al. 2024

Inorg. Chem.

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Regulating defect distribution in inorganic phosphors is paramount for realizing multimode dual-field optical signals for high security level identification but remains an ongoing challenge. Here, we propose a strategy of equivalent anion doping and nonequivalent cation doping to successfully regulate the trap distribution and density in Ba5(PO4)3Cl:F−,Eu2+,Ce3+ (BPCF-AG) phosphors. Due to the coexistence of shallow and deep traps for different photon processes, the BPCF-AG exhibits simultaneous photochromism in a bright field and tetramode luminescence (photoluminescence, afterglow, 980 nm photostimulated luminescence, and 650/532 nm photostimulated afterglow) in a dark field. The trap roles responsible for versatile optical behaviors are investigated by thermoluminescence curves, and a reasonable mechanism is proposed. In addition, we design a series of demonstrations for security identification and information encryption based on the dual-field multimode optical signals of BPCF-AG to illustrate its potential application scenarios.

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Co-doped long persistent luminescence materials LiSr₃SiO₄Cl₃:Eu²⁺,Ln³⁺ (Ln = Dy, Ho, Er): construction and verification of VRBE and HRBE scheme and their multifunctional applications

Abstract: Long persistent luminescence (LPL) hosts and the traps’ mechanism are important and necessary but not researched enough. Moreover, the traditional high-temperature (over 1000 ℃) solid-phase synthesis method conflict with energy-saving....

Cited by 3 publications

References 41 publications

Highly Stable Oxynitride Persistent Phosphors with Widely Distributed Traps for Information Storage and Anticounterfeiting

Highly Stable Oxynitride Persistent Phosphors with Widely Distributed Traps for Information Storage and Anticounterfeiting

Design opto-thermo-mechano-multi-responsive luminescence from Sr4Al14O25: Eu2+, Nd3+, Tm3+ for optical information storage

Realizing Bright−Dark Dual-Field Multimode Optical Signals in Photochromic Apatite Phosphors for Security Identification

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