Rational Design of ICT-Based Fluorescent Probe with AIE and NIR Properties for Hypochlorite Determination
JOURNAL OF THE ELECTROCHEMICAL SOCIETY(2022)
摘要
In recent years, the easily synthesized fluorescent probes with good photophysical and sensing properties have attracted widespread attention. Herein, by utilizing the fluorescence regulation effect of electron push-pull effect and the oxidation property of hypochlorite (ClO-) to C=N double bonds, we rationally proposed two intramolecular charge transfer (ICT)-based fluorescent probes with typical aggregation-induced emission (AIE) properties for ClO- detection. The synthesis process of the two probes is very convenient, and both of them can exhibit significant colorimetric and fluorescence changes within 3 min in the presence of ClO-. Moreover, compared with Probe A, the Probe B with near-infrared (NIR) fluorescence centered at 677 nm was successfully applied to ClO- determination in tap water and food samples as well as live cell imaging.
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关键词
Hypochlorite fluorescent probe, Aggregation-induced emission, Near-infrared fluorescence, Real samples detection, Live cell imaging
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