3 years ago

Highly Conductive Water-Based Polymer/Graphene Nanocomposites for Printed Electronics

Highly Conductive Water-Based Polymer/Graphene Nanocomposites for Printed Electronics
Apostolos Koutsioukis, Vasilios Georgakilas, Vassiliki Belessi, Radek Zboril
The preparation and characterization of highly conductive carbon inks is described based on nanocomposites that combine a polystyrene-acrylic resin or water-soluble polymers with a hydrophilic graphene/carbon nanotube hybrid. The water-based carbon inks showed high electrical conductivity and could be effectively used in advanced technologies such as gravure printing for printed electronics. Moreover, the conductivity was shown to be increased with a power law of the nanohybrid volume fraction, with an exponent close to that predicted from the percolation theory, indicating a limited impact of the polymer tunneling barrier on the electrical conductivity of such nanocomposites. Carbon inks: Highly conductive water-dispersible polymer nanocomposites gravure inks are produced by combining a hydrophilic graphene/carbon nanotube nanohybrid and polymers in a wide range of ratios. The electrical conductivity of the nanocomposites is increased with a power law of the nanohybrid volume fraction, with an exponent close to that predicted from the percolation theory, indicating a limited impact of the polymer tunneling barriers.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201700997

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