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

Nature communications, 2020-01, Vol.11 (1), p.158-158, Article 158 [Peer Reviewed Journal]

This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;The Author(s) 2020 ;ISSN: 2041-1723 ;EISSN: 2041-1723 ;DOI: 10.1038/s41467-019-13994-6 ;PMID: 31919416

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  • Title:
    Color-tunable single-fluorophore supramolecular system with assembly-encoded emission
  • Author: Wang, Qian ; Zhang, Qi ; Zhang, Qi-Wei ; Li, Xin ; Zhao, Cai-Xin ; Xu, Tian-Yi ; Qu, Da-Hui ; Tian, He
  • Subjects: Aqueous solutions ; Chemistry ; Color ; Cyclodextrin ; Cyclodextrins ; Engineering ; Fluorescence ; Hydrogels ; Hydrogen bonds ; Laboratories ; Light emission ; Organic chemistry ; Properties (attributes) ; Pyrene ; Self-assembly ; Solvents ; White light
  • Is Part Of: Nature communications, 2020-01, Vol.11 (1), p.158-158, Article 158
  • Description: 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.
  • Publisher: England: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 2041-1723
    EISSN: 2041-1723
    DOI: 10.1038/s41467-019-13994-6
    PMID: 31919416
  • Source: PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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