A Coumarin-based Ratiometric Fluorescent Probe for BF3 Detection in Solution and Air

被引：1

作者：

Zhao Huijun ^{[1
]}

Wu Tong ^{[1
]}

Sun Yue ^{[1
]}

Duan Lian ^{[1
]}

Ma Yanyu ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Sch Chem & Chem Engn, Taiyuan 030024, Peoples R China

来源：

CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE | 2021年 / 42卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Boron trifluoride; Coumarin derivative; Ratiometric fluorescent detection; Strip test; SENSITIVE DETECTION; DESIGN;

D O I：

10.7503/cjcu20210027

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A selective and sensitive coumarin-based ratio fluorescent probe 3- p-methylbenzene-7-diethylami. no coumarin(TDC)was developed for BF3 detection in dichloromethane and gas phase. The detection limit of BF3 was estimated to be 5.5x10(-7) mol/L. The probe TDC showed a remarkable ratio fluorescence change in the presence of BF3 with a fast respond time. F-19 NMR result demonstrated that the Lewis acid-base complexes formed between the diethylamino substituents in the probe and BF3 greatly influenced the intramolecular charge transfer(ICT)process. To meet the practical application,a simple test strip system was developed to detect BF3 in gas phase rapidly with obvious color changes.

引用

页码：2422 / 2427

页数：6

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