Fluorescent detection of Zn2+ and Cu2+ by a phenanthrene-based multifunctional chemosensor that acts as a basic pH indicator

被引：20

作者：

Hwang, Suh Mi ^{[1
]}

Kim, Cheal ^{[1
]}

机构：

[1] Seoul Natl Univ Sci & Tech, Dept Fine Chem, Seoul 01811, South Korea

来源：

INORGANICA CHIMICA ACTA | 2018年 / 482卷

基金：

新加坡国家研究基金会;

关键词：

Fluorescent chemosensor; Cu2+; Zn2+; pH indicator; Theoretical calculations; EFFECTIVE CORE POTENTIALS; SCHIFF-BASE; COLORIMETRIC CHEMOSENSOR; SEQUENTIAL DETECTION; SELECTIVE DETECTION; MOLECULAR CALCULATIONS; DENSITY FUNCTIONALS; AQUEOUS-SOLUTION; SENSOR; PROBE;

D O I：

10.1016/j.ica.2018.06.039

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A novel phenanthrene-based sensor 1 was synthesized for the recognition of Zn2+, Cu2+ and basic pH range by a integration of phenanthrene-9,10-dione and 3-methoxysalicylaldehyde. Sensor 1 could detect Zn2+ by fluorescent color change and Cu2+ by fluorescence quenching, and their detection limits were 0.43 mu M and 0.18 mu M, respectively. Moreover, 1 also acted as a basic pH indicator by fluorescence quenching. The sensing behaviors and mechanisms of 1 toward Zn2+ and Cu2+ were proposed by photophysical studies and theoretical calculations.

引用

页码：375 / 383

页数：9

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