Hazra, Abhijit and Bej, Sourav and Mondal, Amita and Murmu, Naresh Chandra and Banerjee, Priyabrata (2020) Discerning Detection of Mutagenic Biopollutant TNP from Water and Soil Samples with Transition Metal-Containing Luminescence Metal–Organic Frameworks. ACS Omega , 5 (26). pp. 15949-15961.

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Abstract

Two luminescent MOFs, Mn@MOF and Cd@MOF, have been reported herein, which are capable of selectively detecting 2,4,6-trinitrophenol (TNP), one of the potent organic water pollutants in the class of mutagenic explosive nitroaromatic compounds (epNACs). It is perceived that the d10-based Cd(II)-constituting MOF shows a better response in the realm of TNP-like nitroaromatic sensing in comparison to the d5-based Mn@MOF which may possess lower electron density over the conjugated building blocks. The sensing competences of these chemosensors have been explored by means of various spectroscopic experimentations, and it is observed that for both d5 and d10-containing MOFs, the initial fluorescence intensity is significantly quenched in response to an aqueous solution of TNP. However, Cd@MOF is more selective and sensitive toward TNP over several other epNACs than Mn@MOF. The high chemical stability of the MOF samples, as well as its amusing sensing efficiency of Cd@MOF, further instigated to investigate the sensing ability in various environmental specimens like soil and water culled from several zones of West Bengal, India.

Item Type:	Article
Subjects:	Chemistry
Depositing User:	Dr. Arup Kr. Nandi
Date Deposited:	26 Nov 2021 07:31
Last Modified:	26 Nov 2021 07:31
URI:	http://cmeri.csircentral.net/id/eprint/744

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