Selective and sensitive recognition of Fe3+ ion by a Lewis basic functionalized chemically stable metal-organic framework (MOF)

被引：23

作者：

Fajal, Sahel ^{[1
]}

Samanta, Partha ^{[1
]}

Dutta, Subhajit ^{[1
]}

Ghosh, Sujit K. ^{[1
]}

机构：

[1] Indian Inst Sci Educ & Res, Dept Chem, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India

来源：

INORGANICA CHIMICA ACTA | 2020年 / 502卷

关键词：

Metal-organic frameworks (MOFs); Coordination polymer; Luminescence; Sensing; Turn-off; AQUEOUS-PHASE DETECTION; FLUORESCENT SENSOR; LUMINESCENT; WATER; IRON; IRON(III); SITES; DESIGN; 2,4,6-TRINITROPHENOL; DERIVATIVES;

D O I：

10.1016/j.ica.2019.119359

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A pyridyl-functionalized metal-organic framework (namely, UiO-66@N) with excellent chemical stability has been employed as a fluorescent sensor for the selective and sensitive detection of Fe3+ ion. UiO-66@N has been found to maintain its superior fluorogenic selectivity for Fe3+ ion over the other competitive metal ions. The uncoordinated nitrogen atoms-rich porous surface of UiO-66@N has been noticed to act as a Lewis basic probe for selective recognition of Fe3+ ion. In addition, UiO-66@N has shown its potential to detect Fe3+ ion even in the presence of other concurrent analytes. Furthermore, low limit of detection and high quenching constant of the UiO-66@N has verified the efficiency of the probe as a sensor of Fe3+ ion.

引用

页数：5

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