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Cooperative supramolecular polymers with anthracene‒endoperoxide photo-switching for fluorescent anti-counterfeiting

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  • Zhao Gao

    (University of Science and Technology of China)

  • Yifei Han

    (University of Science and Technology of China)

  • Feng Wang

    (University of Science and Technology of China)

Abstract

Innovative technologies are highly pursued for the detection and avoidance of counterfeiting in modern information society. Herein, we report the construction of photo-responsive supramolecular polymers toward fluorescent anti-counterfeit applications, by taking advantage of multicycle anthracene‒endoperoxide switching properties. Due to σ-metalation effect, photo-oxygenation of anthracene to endoperoxide is proceeded under the mild visible light irradiation conditions, while the backward conversion occurs spontaneously at room temperature. Supramolecular polymers are formed with cooperative nucleation‒elongation mechanism, which facilitate fluorescence resonance energy transfer process via two-component co-assembly strategy. Fluorescence resonance energy transfer efficiency is delicately regulated by either light-triggered anthracene‒endoperoxide conversion or vapor-induced monomer–polymer transition, leading to high-contrast fluorescent changes among three different states. On this basis, dual-mode anti-counterfeiting patterns have been successfully fabricated via inkjet printing techniques. Hence, cooperative supramolecular polymerization of photo-fluorochromic molecules represents an efficient approach toward high-performance anti-counterfeit materials with enhanced security reliability, fast response, and ease of operation.

Suggested Citation

  • Zhao Gao & Yifei Han & Feng Wang, 2018. "Cooperative supramolecular polymers with anthracene‒endoperoxide photo-switching for fluorescent anti-counterfeiting," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06392-x
    DOI: 10.1038/s41467-018-06392-x
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    Cited by:

    1. Jinhui Huang & Yue Jiang & Qiuyu Chen & Hui Xie & Shaobing Zhou, 2023. "Bioinspired thermadapt shape-memory polymer with light-induced reversible fluorescence for rewritable 2D/3D-encoding information carriers," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Huai Chen & Mingyang Wei & Yantao He & Jehad Abed & Sam Teale & Edward H. Sargent & Zhenyu Yang, 2022. "Germanium silicon oxide achieves multi-coloured ultra-long phosphorescence and delayed fluorescence at high temperature," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Wei Yuan & Letian Chen & Chuting Yuan & Zidan Zhang & Xiaokai Chen & Xiaodong Zhang & Jingjing Guo & Cheng Qian & Zujin Zhao & Yanli Zhao, 2023. "Cooperative supramolecular polymerization of styrylpyrenes for color-dependent circularly polarized luminescence and photocycloaddition," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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