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Nat Commun


Title:Guest-adaptive molecular sensing in a dynamic 3D covalent organic framework
Author(s):Wei L; Sun T; Shi Z; Xu Z; Wen W; Jiang S; Zhao Y; Ma Y; Zhang YB;
Address:"School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China. Shanghai Key Laboratory of High-Resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China. Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China. School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China. zhaoyb2@shanghaitech.edu.cn. Shanghai Key Laboratory of High-Resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China. zhaoyb2@shanghaitech.edu.cn. School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China. mayh2@shanghaitech.edu.cn. Shanghai Key Laboratory of High-Resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China. mayh2@shanghaitech.edu.cn. School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China. zhangyb@shanghaitech.edu.cn. Shanghai Key Laboratory of High-Resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China. zhangyb@shanghaitech.edu.cn"
Journal Title:Nat Commun
Year:2022
Volume:20221224
Issue:1
Page Number:7936 -
DOI: 10.1038/s41467-022-35674-8
ISSN/ISBN:2041-1723 (Electronic) 2041-1723 (Linking)
Abstract:"Molecular recognition is an attractive approach to designing sensitive and selective sensors for volatile organic compounds (VOCs). Although organic macrocycles and cages have been well-developed for recognising organics by their adaptive pockets in liquids, porous solids for gas detection require a deliberate design balancing adaptability and robustness. Here we report a dynamic 3D covalent organic framework (dynaCOF) constructed from an environmentally sensitive fluorophore that can undergo concerted and adaptive structural transitions upon adsorption of gas and vapours. The COF is capable of rapid and reliable detection of various VOCs, even for non-polar hydrocarbon gas under humid conditions. The adaptive guest inclusion amplifies the host-guest interactions and facilitates the differentiation of organic vapours by their polarity and sizes/shapes, and the covalently linked 3D interwoven networks ensure the robustness and coherency of the materials. The present result paves the way for multiplex fluorescence sensing of various VOCs with molecular-specific responses"
Keywords:
Notes:"PubMed-not-MEDLINEWei, Lei Sun, Tu Shi, Zhaolin Xu, Zezhao Wen, Wen Jiang, Shan Zhao, Yingbo Ma, Yanhang Zhang, Yue-Biao eng 21XD1402300/Science and Technology Commission of Shanghai Municipality (Shanghai Municipal Science and Technology Commission)/ 21DZ2260400/Science and Technology Commission of Shanghai Municipality (Shanghai Municipal Science and Technology Commission)/ 22QC1401500/Science and Technology Commission of Shanghai Municipality (Shanghai Municipal Science and Technology Commission)/ 21522105/National Natural Science Foundation of China (National Science Foundation of China)/ England 2022/12/25 Nat Commun. 2022 Dec 24; 13(1):7936. doi: 10.1038/s41467-022-35674-8"

 
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