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Photoresponsive supramolecular coordination polyelectrolyte as smart anticounterfeiting inks

Author

Listed:
  • Zhiqiang Li

    (Hebei University of Technology)

  • Xiao Liu

    (Hebei University of Technology)

  • Guannan Wang

    (Hebei University of Technology)

  • Bin Li

    (Hebei University of Technology)

  • Hongzhong Chen

    (Nanyang Technological University)

  • Huanrong Li

    (Hebei University of Technology)

  • Yanli Zhao

    (Nanyang Technological University)

Abstract

While photoluminescence printing is a widely applied anticounterfeiting technique, there are still challenges in developing new generation anticounterfeiting materials with high security. Here we report the construction of a photoresponsive supramolecular coordination polyelectrolyte (SCP) through hierarchical self-assembly of lanthanide ion, bis-ligand and diarylethene unit, driven by metal-ligand coordination and ionic interaction. Owing to the conformation-dependent photochromic fluorescence resonance energy transfer between the lanthanide donor and diarylethene acceptor, the ring-closure/ring-opening isomerization of the diarylethene unit leads to a photoreversible luminescence on/off switch in the SCP. The SCP is then utilized as security ink to print various patterns, through which photoreversible multiple information patterns with visible/invisible transformations are realized by simply alternating the irradiation with UV and visible light. This work demonstrates the possibility of developing a new class of smart anticounterfeiting materials, which could be operated in a noninvasive manner with a higher level of security.

Suggested Citation

  • Zhiqiang Li & Xiao Liu & Guannan Wang & Bin Li & Hongzhong Chen & Huanrong Li & Yanli Zhao, 2021. "Photoresponsive supramolecular coordination polyelectrolyte as smart anticounterfeiting inks," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21677-4
    DOI: 10.1038/s41467-021-21677-4
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    Cited by:

    1. Qian Wang & Biyan Lin & Meng Chen & Chengxi Zhao & He Tian & Da-Hui Qu, 2022. "A dynamic assembly-induced emissive system for advanced information encryption with time-dependent security," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Longqiang Li & Jiayin Zhou & Junyi Han & Depeng Liu & Min Qi & Juanfang Xu & Guangqiang Yin & Tao Chen, 2024. "Finely manipulating room temperature phosphorescence by dynamic lanthanide coordination toward multi-level information security," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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