Amino-functionalized MIL-101(Fe) metal-organic framework as a viable fluorescent probe for nitroaromatic compounds

被引：96

作者：

Karthik, Peramaiah ^{[1
,2
]}

Pandikumar, Alagarsamy ^{[1
,2
]}

Preeyanghaa, Mani ^{[3
]}

Kowsalya, Mariyappan ^{[3
]}

Neppolian, Bernaurdshaw ^{[1
,2
]}

机构：

[1] SRM Univ, SRM Res Inst, Chennai 603203, Tamil Nadu, India

[2] SRM Univ, Dept Chem, Chennai 603203, Tamil Nadu, India

[3] SRM Univ, Dept Nanotechnol, Chennai 603203, Tamil Nadu, India

来源：

MICROCHIMICA ACTA | 2017年 / 184卷 / 07期

关键词：

Photoluminescence; Optical probe; Stern-Volmer plot; Guest-host interaction; XRD; Scanning electron microscopy; HIGHLY SELECTIVE DETECTION; PICRIC ACID; SENSORS; MOF; FABRICATION;

D O I：

10.1007/s00604-017-2215-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A highly luminescent iron(III)-based amino-functionalized metal-organic framework (MOF) of type NH2-MIL-101(Fe) was synthesized by a solvothermal method. Its structure and morphology were studied by X-ray diffraction, scanning electron microscopy, and FTIR. The strong fluorescence of the electron-rich MOF is shown to be quenched by electron-deficient nitroaromatic compounds. Compared to solvents such as water and other organic solvents, quenching by the nitroaromatic compounds nitrobenzene (NB), 4-nitrophenol (4-NP), 4-nitrotoluene (4-NT) and 1,3-dinitrobenzene (1,3-DNB) is particularly strong. The detection limits for NB, 4-NP, 4-NT and 1,3-DNB are 32 ppm, 17 ppm, 9.8 ppm and 11.5 ppm.

引用

页码：2265 / 2273

页数：9

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