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Removal of lead ions from water using thiophene-functionalized metal–organic frameworks

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Abstract

Heavy metal ion contamination in water is a hazard to all life. The removal of such ions from aqueous media by porous metal–organic frameworks (MOFs) is a growing field. Herein we report the use of thiophene containing MOFs, notably DUT-67, for the removal of Pb2+ ions from water under both batch and flow conditions with a max loading of 98.5 mg Pb2+ per g MOF. Solution-phase 207Pb NMR spectroscopy and an observed decrease in adsorption with non-thiophene containing systems support a mechanism of adsorption via a putative 6π-η5-thiophene–Pb2+ coordination.

Graphical abstract: Removal of lead ions from water using thiophene-functionalized metal–organic frameworks

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Publication details

The article was received on 19 Nov 2019, accepted on 29 Nov 2019 and first published on 29 Nov 2019


Article type: Communication
DOI: 10.1039/C9CC09022C
Chem. Commun., 2020, Advance Article

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    Removal of lead ions from water using thiophene-functionalized metal–organic frameworks

    A. R. Geisse, C. M. Ngule and D. T. Genna, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC09022C

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