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    Aqueous-dispersible fullerol-carbon nanotube hybrids

    Year: 2012

    Journal: Materials Letters, 2012, 82, 48-50, 20131009

    Authors: Athanasios B. Bourlinos, Vasilios Georgakilas, Aristides Bakandritsos, Antonios Kouloumpis, Dimitrios Gournis, Radek Zboril

    Organizations: Physics Department, University of Ioannina, 45110 Ioannina, Greece; Regional Centre of Advanced Technologies and Materials, Faculty of Science, Department of Physical Chemistry, Palacky University in Olomouc, 77146, Czech Republic; Institute of Materials Science, NCSR Demokritos, Ag. Paraskevi Attikis, 15310 Athens, Greece; Department of Materials Science, University of Patras, 26504 Rio, Patras, Greece; Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece

    Fullerol-carbon nanotube hybrids have been fabricated through wet impregnation of oxidized multi-wall carbon nanotubes with fullerols and subsequent solid-state heating at 200 °C to promote interfacial bonding. Because fullerols attach to the walls as polyanions providing static repulsion, the hybrid displays high aqueous solubility. The decoration of the nanotubes with fullerols was established by infrared spectroscopy and atomic force microscopy, whereas its impact on the surface properties was studied by means of zeta-potential measurements and dynamic light scattering.