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Issue 29, 2007
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A facile method of modifying graphite powder with aminophenyl groups in bulk quantities

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Abstract

A facile and rapid method of covalently modifying the surface of graphite powders with aminophenyl groups is described. This chemical modification strategy allows the production of bulk (gram) quantities of amino-modified carbon powder. 4-Nitrophenyl groups are covalently attached to graphite powder via the chemical reduction of the corresponding 4-nitrobenzenediazonium tetrafluoroborate salt using aqueous hypophosphorous acid. The 4-nitrophenyl groups on the carbon surface are then reduced to the corresponding 4-aminophenyl groups using alkaline iron(II) ammonium sulfate solutions. Electrochemical and X-ray photoelectron spectroscopic characterisation is carried out at each stage of the synthesis.

Graphical abstract: A facile method of modifying graphite powder with aminophenyl groups in bulk quantities

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Publication details

The article was received on 19 Mar 2007, accepted on 30 Apr 2007 and first published on 10 May 2007


Article type: Paper
DOI: 10.1039/B704118G
Citation: J. Mater. Chem., 2007,17, 3008-3014
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    A facile method of modifying graphite powder with aminophenyl groups in bulk quantities

    A. T. Masheter, G. G. Wildgoose, A. Crossley, J. H. Jones and R. G. Compton, J. Mater. Chem., 2007, 17, 3008
    DOI: 10.1039/B704118G

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