期刊
INORGANICA CHIMICA ACTA
卷 511, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2020.119843
关键词
Metal-organic framework; Multi-responsive fluorescence sensor; 1-naphthol; Fe3+ ions; MnO4- ions
资金
- NSFC [21761022, 21301087]
- Inner Mongolia autonomous region natural science fund project [2017MS0204]
- Major Basic Research and Open Project of the Inner Mongolia Autonomous Region [30500-515330303]
A new three-dimensional Eu(III) metal-organic framework Eu(III)-MOF-1 formulated as [Eu-3(BDC)(4.5)(H2O) (DMF)(2)] (H2BDC = 1,4-benzenedicarboxylic acid), has been successfully synthesized by solvothermal methods and characterized by structural analyses and luminescence studies. Crystallographic studies reveal that the Eu-MOF-1 exhibits an unusual 3D framework based on 1D metal-carboxylate chains. Significantly, the luminescence explorations demonstrate that the Eu-MOF-1 is the first multi-responsive fluorescence sensor for sensing bio-marker 1-naphthol (1-N) of carbaryl exposure, Fe3+ ions and MnO4- ions with high sensitivity, selectivity and excellent recyclability through luminescence quenching. Moreover, the possible mechanisms of selective de-tection have been investigated in detail. This material could be a promising luminescent sensor for practical applications.
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