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Nanoscale Res Lett. 2013 Feb 20;8(1):94. doi: 10.1186/1556-276X-8-94.

Graphite nanoplatelet chemical cross-linking by elemental sulfur.

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1
Istituto Nazionale di Ottica, CNR, Via Campi Flegrei, 34, Pozzuoli 80078, Italy. sergio.denicola@ino.it.

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. PACS: 81.05.Ue, 81.05.Rm, 81.16.Be.

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