Journal
MATERIALS LETTERS
Volume 105, Issue -, Pages 4-7Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2013.04.034
Keywords
Nanocomposites; Coatings; Nanocrystalline cellulose; Graphene oxide; Electrical properties
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In this study nanocrystalline cellulose (CNC)/graphene oxide (GO) composite films were prepared by drop casting water dispersion of GO in the presence of CNC and their nanostructures, surface and electrical properties were investigated. It was found that pristine hydrophilic GO presents a good dispersion when mixed with CNC along with a decrease of the composite electrical resistivity. The surface properties of the composite film indicated a poorer wettability with respect to that measured for separated materials. By applying an electric current through the CNC/GO composite a transition from an electrically insulating material to a conductive one was observed along with an improved wettability. The obtained results open an easy route for paper electronic based on the integration of nanocrystalline cellulose onto graphene devices. (C) 2013 Elsevier B.V. All rights reserved.
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