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Color-tunable single-fluorophore supramolecular system with assembly-encoded emission

Author

Listed:
  • Qian Wang

    (East China University of Science and Technology)

  • Qi Zhang

    (East China University of Science and Technology)

  • Qi-Wei Zhang

    (East China Normal University)

  • Xin Li

    (KTH Royal Institute of Technology)

  • Cai-Xin Zhao

    (East China University of Science and Technology)

  • Tian-Yi Xu

    (East China University of Science and Technology)

  • Da-Hui Qu

    (East China University of Science and Technology)

  • He Tian

    (East China University of Science and Technology)

Abstract

Regulating the fluorescent properties of organic small molecules in a controlled and dynamic manner has been a fundamental research goal. Although several strategies have been exploited, realizing multi-color molecular emission from a single fluorophore remains challenging. Herein, we demonstrate an emissive system by combining pyrene fluorophore and acylhydrazone units, which can generate multi-color switchable fluorescent emissions at different assembled states. Two kinds of supramolecular tools, amphiphilic self-assembly and γ-cyclodextrin mediated host-guest recognition, are used to manipulate the intermolecular aromatic stacking distances, resulting in the tunable fluorescent emission ranging from blue to yellow, including a pure white-light emission. Moreover, an external chemical signal, amylase, is introduced to control the assembly states of the system on a time scale, generating a distinct dynamic emission system. The dynamic properties of this multi-color fluorescent system can be also enabled in a hydrogel network, exhibiting a promising potential for intelligent fluorescent materials.

Suggested Citation

  • Qian Wang & Qi Zhang & Qi-Wei Zhang & Xin Li & Cai-Xin Zhao & Tian-Yi Xu & Da-Hui Qu & He Tian, 2020. "Color-tunable single-fluorophore supramolecular system with assembly-encoded emission," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-019-13994-6
    DOI: 10.1038/s41467-019-13994-6
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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.

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