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Controllable synthesis of isoreticular pillared-layer MOFs based on N-rich triangular prism building units:gas adsorption and luminescent properties

Abstract

A series of isoreticular MOFs (1-4) with rare lon topologies have been rationally synthesized using the ligand benzotriazole-5- carboxylic acid and auxiliary aromatic dicarboxylic ligands based on novel double secondary building units (SBUs), trigonal-prism building units. On the other hand, MOFs 1-4 all adopt pillared-layer structures based on the same honeycomb layers, then the neighboring layers are linked together through the ditopic carboxylate pillars. They all exhibit semblable constructions but different pore characteristics (volumes and surfaces), owning to convertible ditopic ligands pillaring the same layers. Notably, they all possess a certain degree of air and water stability and CO2 uptake capacity. In addition, we researched on the luminescence properties of MOFs 1-4. We found that MOF 2 can be used as fluorescent probe for exhibiting clear fluorescent enhancement “turn on” response for H2O and fluorescent quenching “turn-off” repercussion for nitrobenzene (NB).

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Publication details

The article was received on 21 Aug 2018, accepted on 05 Nov 2018 and first published on 06 Nov 2018


Article type: Paper
DOI: 10.1039/C8NJ04260H
Citation: New J. Chem., 2018, Accepted Manuscript
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    Controllable synthesis of isoreticular pillared-layer MOFs based on N-rich triangular prism building units:gas adsorption and luminescent properties

    W. Xie, C. Yao, K. Shao, Y. Xu and Z. Su, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ04260H

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