Coumarin based fluorescent 'turn-on' chemosensor for Zn2+ : An experimental and theoretical study

被引：29

作者：

Sarkar, Deblina ^{[1
]}

Pramanik, Ajoy Kumar ^{[1
]}

Mondal, Tapan Kumar ^{[1
]}

机构：

[1] Jadavpur Univ, Dept Chem, Inorgan Chem Sect, Kolkata 700032, India

来源：

JOURNAL OF LUMINESCENCE | 2014年 / 146卷

关键词：

Coumarin based chemosensor for Zn2+; Spectral characterization; DFT calculation; DENSITY-FUNCTIONAL THEORY; EFFECTIVE CORE POTENTIALS; MOLECULAR CALCULATIONS; EXCITATION-ENERGIES; ZINC; DESIGN; RECEPTOR; SYSTEMS; SENSOR; APPROXIMATION;

D O I：

10.1016/j.jlumin.2013.09.080

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A highly sensitive and selective coumarin based chemosensor (HL) for the efficient detection of Zn2+ cation has been developed in a very facile and economically cheap route with an excellent yield. The distinct color change on addition of Zn2+ to the sensor is visible under naked eye. Moreover the rapid enhancement of fluorescence emission intensity on addition of Zn2+ also provides a wonderful detection technique for Zn2+. The chemosensor is also efficient in detection of Zn2+ even in the presence of other metals and shows high selectivity towards Zn2+. Experimental results have been verified with DFT and TDDFT calculations. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：480 / 485

页数：6

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