Reversible Thermodynamic Phase-Transition in Zero-Dimensional Manganese Halides Enables Dual-Secure Optical Information Anti-Counterfeiting and Encryption

Li Cong; Yufan Lin; Yuxin Jia; Yangjie Lan; Ying Liu; Xingyao Zhao; Hongyu Ju; Zhengyang Pan; Juan Li; Bin Bin Cui

doi:10.1002/lpor.202500761

Reversible Thermodynamic Phase-Transition in Zero-Dimensional Manganese Halides Enables Dual-Secure Optical Information Anti-Counterfeiting and Encryption

Li Cong
, Yufan Lin
, Yuxin Jia
, Yangjie Lan
, Ying Liu
, Xingyao Zhao
, Hongyu Ju
, Zhengyang Pan
, Juan Li^*
, Bin Bin Cui^*

^*此作品的通讯作者

前沿交叉科学研究院

Beijing Institute of Technology
College of Chemistry and Chemical Engineering
Sch. Mat. Sci. Eng., Beijing I.

科研成果: 期刊稿件 › 文章 › 同行评审

8 引用（Scopus）

摘要

Stimuli-responsive manganese halides have emerged as eco-friendly systems for optical information security, yet achieving reversible phase transition with optical switching remains a formidable challenge. Herein, two isostructural 0D Mn (II) halide hybrids, (4-P)₂MnX₄ (4-P = 4-pyrrolidylpyridine, X = Cl, Br) are demonstrated, featuring halogen-modulated exciton confinement effects. The bromide derivative exhibits thermally triggered phase transition (at 120 °C) with reversible yellow↔green emission switching (Δλ = 10 nm). Combined with (4-P)₂MnCl₄ and the other thermodynamically stable metal halides NII₂MnBr₄ (NII = C₁₂H₁₇NH⁺) which is yellow-emitting, (4-P)₂MnBr₄ achieves dual anti-counterfeiting via thermal-optical dual-response mechanisms. Furthermore, white light-emitting diodes (WLEDs) are prepared by (4-P)₂MnCl₄ and (4-P)₂MnBr₄, respectively, indicating they are also state-of-the-art Mn(II)-based phosphors. This work pioneers a thermodynamic phase-transition strategy to design intelligent optical materials for next-generation information.

源语言	英语
期刊论文编号	e00761
期刊	Laser and Photonics Reviews
卷	19
期	20
DOI	https://doi.org/10.1002/lpor.202500761
出版状态	已出版 - 20 10月 2025

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@article{d33dc4772e5f4b0db102dcd37b6033d5,

title = "Reversible Thermodynamic Phase-Transition in Zero-Dimensional Manganese Halides Enables Dual-Secure Optical Information Anti-Counterfeiting and Encryption",

abstract = "Stimuli-responsive manganese halides have emerged as eco-friendly systems for optical information security, yet achieving reversible phase transition with optical switching remains a formidable challenge. Herein, two isostructural 0D Mn (II) halide hybrids, (4-P)2MnX4 (4-P = 4-pyrrolidylpyridine, X = Cl, Br) are demonstrated, featuring halogen-modulated exciton confinement effects. The bromide derivative exhibits thermally triggered phase transition (at 120 °C) with reversible yellow↔green emission switching (Δλ = 10 nm). Combined with (4-P)2MnCl4 and the other thermodynamically stable metal halides NII₂MnBr₄ (NII = C12H17NH+) which is yellow-emitting, (4-P)2MnBr4 achieves dual anti-counterfeiting via thermal-optical dual-response mechanisms. Furthermore, white light-emitting diodes (WLEDs) are prepared by (4-P)2MnCl4 and (4-P)2MnBr4, respectively, indicating they are also state-of-the-art Mn(II)-based phosphors. This work pioneers a thermodynamic phase-transition strategy to design intelligent optical materials for next-generation information.",

keywords = "anti-counterfeiting, information encryption and decryption, manganese(II) halides, white light-emitting, zero-dimension",

author = "Li Cong and Yufan Lin and Yuxin Jia and Yangjie Lan and Ying Liu and Xingyao Zhao and Hongyu Ju and Zhengyang Pan and Juan Li and Cui, \{Bin Bin\}",

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doi = "10.1002/lpor.202500761",

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T1 - Reversible Thermodynamic Phase-Transition in Zero-Dimensional Manganese Halides Enables Dual-Secure Optical Information Anti-Counterfeiting and Encryption

AU - Cong, Li

AU - Lin, Yufan

AU - Jia, Yuxin

AU - Lan, Yangjie

AU - Liu, Ying

AU - Zhao, Xingyao

AU - Ju, Hongyu

AU - Pan, Zhengyang

AU - Li, Juan

AU - Cui, Bin Bin

PY - 2025/10/20

Y1 - 2025/10/20

N2 - Stimuli-responsive manganese halides have emerged as eco-friendly systems for optical information security, yet achieving reversible phase transition with optical switching remains a formidable challenge. Herein, two isostructural 0D Mn (II) halide hybrids, (4-P)2MnX4 (4-P = 4-pyrrolidylpyridine, X = Cl, Br) are demonstrated, featuring halogen-modulated exciton confinement effects. The bromide derivative exhibits thermally triggered phase transition (at 120 °C) with reversible yellow↔green emission switching (Δλ = 10 nm). Combined with (4-P)2MnCl4 and the other thermodynamically stable metal halides NII₂MnBr₄ (NII = C12H17NH+) which is yellow-emitting, (4-P)2MnBr4 achieves dual anti-counterfeiting via thermal-optical dual-response mechanisms. Furthermore, white light-emitting diodes (WLEDs) are prepared by (4-P)2MnCl4 and (4-P)2MnBr4, respectively, indicating they are also state-of-the-art Mn(II)-based phosphors. This work pioneers a thermodynamic phase-transition strategy to design intelligent optical materials for next-generation information.

AB - Stimuli-responsive manganese halides have emerged as eco-friendly systems for optical information security, yet achieving reversible phase transition with optical switching remains a formidable challenge. Herein, two isostructural 0D Mn (II) halide hybrids, (4-P)2MnX4 (4-P = 4-pyrrolidylpyridine, X = Cl, Br) are demonstrated, featuring halogen-modulated exciton confinement effects. The bromide derivative exhibits thermally triggered phase transition (at 120 °C) with reversible yellow↔green emission switching (Δλ = 10 nm). Combined with (4-P)2MnCl4 and the other thermodynamically stable metal halides NII₂MnBr₄ (NII = C12H17NH+) which is yellow-emitting, (4-P)2MnBr4 achieves dual anti-counterfeiting via thermal-optical dual-response mechanisms. Furthermore, white light-emitting diodes (WLEDs) are prepared by (4-P)2MnCl4 and (4-P)2MnBr4, respectively, indicating they are also state-of-the-art Mn(II)-based phosphors. This work pioneers a thermodynamic phase-transition strategy to design intelligent optical materials for next-generation information.

KW - anti-counterfeiting

KW - information encryption and decryption

KW - manganese(II) halides

KW - white light-emitting

KW - zero-dimension

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Reversible Thermodynamic Phase-Transition in Zero-Dimensional Manganese Halides Enables Dual-Secure Optical Information Anti-Counterfeiting and Encryption

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