Valentina Rebuttini, Enza Fazio, Saveria Santangelo, Fortunato Neri, Gianvito Caputo, Cédric Martin, Thierry Brousse, Frédéric Favier, Nicola Pinna
文献索引：Chemistry 21 , 12465-74, (2015)
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4-Carboxyphenyl groups are covalently grafted onto graphene oxide via diazonium chemistry for studying their role on the adsorption of iron oxide nanoparticles. The nanoparticles are deposited via a novel phase-transfer approach involving specific interactions at the interface between two immiscible solvents. The increased density and the homogeneous distribution of surface carboxyl moieties enable the preparation of a nanocomposite with improved iron oxide distribution and loading. Structure-properties relationships are investigated by analysing the electrochemical properties of the nanocomposites, which are regarded as promising active materials for application in supercapacitors. It is demonstrated that the nature of the interactions between the components similarly affects the overall electrochemical performances of the nanocomposites and the structure of the materials. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
