A Reversible and Reusable Selective Chemosensor for Fluoride Detection Using a Phenolic OH-Containing BODIPY Dye by Both Colorimetric ‘Naked-eye’ and Fluorometric Modes

被引：0
作者：
Lingyun Wang
Guipo Fang
Derong Cao
机构：
[1] South China University of Technology,School of Chemistry and Chemical Engineering
来源：
Journal of Fluorescence | 2014年 / 24卷
关键词：
Colorimetric; Chemosensor; BODIPY; Fluoride; Fluorescence;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A novel BODIPY-based probe 1 was designed and synthesized as a selective fluorescent and colorimetric chemosensor for fluoride. The spectral responses of 1 to fluoride in acetonitrile were studied: an approximately 118 nm red shift in absorption and ‘turn-off’ emission response was observed. The striking pink to indigo change in ambient light was thought to be due to the deprotonation of the phenol moiety by way of O–H · · · F hydrogen bonding interactions. Interestingly, when the nonfluorescent 1-F− solution treated with trifluoroacetic acid (TFA) resulted in color change from indigo to pink and a significant enhancement of fluorescence intensity (10-fold). Furthermore, the reversibility and reusability of probe 1 for the detection of F− ion was tested for four cycles indicating the probe 1 could be used in reversible manner.
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页码：1757 / 1766
页数：9
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