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4219938 
Journal Article 
Amino-functionalized MIL-101(Fe) metal-organic framework as a viable fluorescent probe for nitroaromatic compounds 
Karthik, P; Pandikumar, A; Preeyanghaa, M; Kowsalya, M; Neppolian, B 
2017 
1 
Microchimica Acta
ISSN: 0026-3672
EISSN: 1436-5073 
184 
7 
2265-2273 
English 
WOS:000403353000043 
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. 
Photoluminescence; Optical probe; Stern-Volmer plot; Guest-host interaction; XRD; Scanning electron microscopy 
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