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Synthesis of Nanographite/Polyaniline Composites Using a Reactive Surfactant as Polyaniline Precursor
Flor Rentería
ALEJANDRO VEGA RIOS
ERASTO ARMANDO ZARAGOZA CONTRERAS
Acceso Abierto
Sin Derechos Reservados
Conducting polymer
Polyaniline
Nanographite/polyaniline nanocomposites were synthesized by using anilium dodecylsulphate (DS– AN) first, as the surfactant, to assist expanded graphite exfoliation, and then, as the monomer, to synthesize conductive polyaniline. Based on this double functionality, DS–AN is classified as a reactive surfactant. Raman spectroscopy showed a I(G)/I(2D) ratio of ca. 1.5 for the exfoliated graphite, which indicated graphite flakes in the range of 10 graphene layers (nanographite). Nanographite morphology, observed by electron microscopy, gave also evidence of graphite flakes consisting of few layers of graphene. Concerning composite morphology, electron microscopy evidenced the formation of a polyaniline film on the nanographite surface, which suggested direct DS– AN polymerization on the flake surface.
2013
Memoria de congreso
Inglés
OTRAS
Versión revisada
submittedVersion - Versión revisada
Aparece en las colecciones: Artículos de Congresos

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