期刊
NEW JOURNAL OF CHEMISTRY
卷 39, 期 1, 页码 295-303出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nj01411a
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资金
- Department of Chemistry, Georgia Southern University (GSU), Honors Research Fund
- College Office of Undergraduate Research (COUR)
- Office of Naval Research [N000141210589]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1229354] Funding Source: National Science Foundation
A novel and effective 1,2,3-triazole based fluorescence chemosensor has been synthesized for the specific detection of anions in homogeneous medium. Notably, the molecule, synthesized in one step using Click chemistry, is a simple 1,4-diaryl-1,2,3-triazole, containing a phenol moiety. The probe displayed the strongest response to fluoride ion through the turn-on fluorescence sensing mechanism when screened for selectivity and sensitivity against a series of anions (F-, Cl-, Br-, I- H2PO4-, ClO4-, OAc-, BF4-). Fluorescence spectroscopy and Nuclear Magnetic Resonance Spectroscopy (NMR) studies substantiate 1:1 stoichiometry between the probe and fluoride anion. Kinetic studies and the single crystal X-ray spectroscopic evidence revealed the binding interaction occurs with the phenolic group and the anion.
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