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Issue 20, 2018
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Designed functionalization of reduced graphene oxide for sorption of Cr(VI) over a wide pH range: a theoretical and experimental perspective

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Abstract

The present study illustrates a clear functionalization chemistry for the synthesis of guanidine functionalized reduced graphene oxide (GfG). GfG has been successfully employed as an effective and selective adsorbent for the removal of noxious Cr(VI) from aqueous pollutants over a wide pH range. Different kinetic models, isotherm studies and thermodynamic parameters have been compared to elucidate the Cr(VI) adsorption chemistry and pathway. The formation of GfG and its active performance towards Cr(VI) remediation is evidenced from microscopic and different spectroscopic analyses. Finally, an attempt has been made by considering DFT based theoretical models to illuminate the mechanism of Cr(VI) amputation by GfG.

Graphical abstract: Designed functionalization of reduced graphene oxide for sorption of Cr(vi) over a wide pH range: a theoretical and experimental perspective

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Publication details

The article was received on 30 Jul 2018, accepted on 08 Sep 2018 and first published on 14 Sep 2018


Article type: Paper
DOI: 10.1039/C8NJ03794A
Citation: New J. Chem., 2018,42, 16960-16971
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    Designed functionalization of reduced graphene oxide for sorption of Cr(VI) over a wide pH range: a theoretical and experimental perspective

    M. K. Mondal, D. Roy and P. Chowdhury, New J. Chem., 2018, 42, 16960
    DOI: 10.1039/C8NJ03794A

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