Highly Selective "Turn-On" Fluorescent and Colorimetric Sensing of Fluoride Ion Using 2-(2-Hydroxyphenyl)-2,3-dihydroquinolin-1H)-one based on Excited-State Proton Transfer

被引：46

作者：

Kanagaraj, Kuppusamy ^{[1
]}

Pitchumani, Kasi ^{[1
]}

机构：

[1] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India

来源：

CHEMISTRY-AN ASIAN JOURNAL | 2014年 / 9卷 / 01期

关键词：

chemosensors; excited-state proton transfer; fluoride ions; fluorescence; sensors; 2-(2'-ARYLSULFONAMIDOPHENYL)BENZIMIDAZOLE DERIVATIVES; ANION RECOGNITION; CHEMOSENSOR; CHEMODOSIMETERS; INHIBITION; MOLECULES; RECEPTOR; ETHERS; DONOR;

D O I：

10.1002/asia.201300816

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple, highly selective and sensitive colorimetric system for the detection of fluoride ion in an aqueous medium has been developed using 2-(2-hydroxyphenyl)-2,3-dihydroquinolin-4(1H)-one. This system allows selective turn-on fluorescence detection of fluoride ion, which is found to be dependent upon guest basicity. An excited-state proton transfer is proposed to be the signaling mechanism, which is rationalized by DFT and TD-DFT calculations. The present sensor can also be applied to detect fluoride levels in real water samples.

引用

页码：146 / 152

页数：7

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