Graphite nanoplatelet chemical cross-linking by elemental sulfur

Year: 2013

Authors: Carotenuto G., Romeo V., De Nicola S., Nicolais L.

Autors Affiliation: Institute for Composite and Biomedical Materials, CNR. P.le Tecchio, 80, Naples 80125, Italy;
Istituto Nazionale di Ottica, CNR, Via Campi Flegrei 34, Pozzuoli 80078, Italy;
INFN Sezione di Napoli, Complesso Universitario di M.S. Angelo, via Cinthia, Naples 80126, Italy;
Department of Material Engineering and Production, University “Federico II” of Naples, P.le Tecchio 80, Naples 80125, Italy

Abstract: Graphite nanoplatelets (GNPs) react with elemental sulfur to provide a mechanically stable, spongy material characterized by good electrical conductivity and high surface development; such unique property combination makes these novel nanostructured materials very useful for applications in different technological fields. The carbon-sulfur reaction can be accurately investigated by thermal analysis (differential scanning calorimetry and thermogravimetric analysis) and energy-dispersive X-ray spectroscopy combined with scanning electron microscopy. The thermal treatment required for the formation of electrically conductive monosulfur connections among the GNP unities has been investigated.


Volume: 8      Pages from: 94  to: 94

KeyWords: Graphite nanoplatelets; Sulfur; Mechanical stabilization; Calorimetry;
DOI: 10.1186/1556-276X-8-94

Citations: 16
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