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Issue 39, 2015
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Triazatruxene based covalent organic framework and its quick-response fluorescence-on nature towards electron rich arenes

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Abstract

Two new 2D covalent organic frameworks (COFs) with a regular honeycomb lattice, TAT-COF-1 and TAT-COF-2, were synthesized based on triazatruxene derivatives. The two COFs, especially TAT-COF-2, have a large BET surface area, good crystallinity, moderate to good hydrogen and carbon dioxide adsorption abilities and also possess good CO2/N2 selectivity. When suspended in ethanol, the fluorescence of TAT-COF-2 could be enhanced or quenched by different solvents. It also shows a rapid fluorescence-on and fluorescence-off nature towards electron rich and deficient arene vapors, respectively. After being exposed to electron-rich arene vapors, the enhanced fluorescence intensity can be recovered to normal level after 5 minutes in an ambient atmosphere, which means the sample could be reused conveniently for detecting electron rich arene vapors.

Graphical abstract: Triazatruxene based covalent organic framework and its quick-response fluorescence-on nature towards electron rich arenes

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The article was received on 24 Jul 2015, accepted on 02 Sep 2015 and first published on 02 Sep 2015


Article type: Communication
DOI: 10.1039/C5TC02256H
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J. Mater. Chem. C, 2015,3, 10066-10069

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    Triazatruxene based covalent organic framework and its quick-response fluorescence-on nature towards electron rich arenes

    Y. Xie, S. Ding, J. Liu, W. Wang and Q. Zheng, J. Mater. Chem. C, 2015, 3, 10066
    DOI: 10.1039/C5TC02256H

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