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Issue 5, 2014
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Inkjet deposition of liquid-exfoliated graphene and MoS2 nanosheets for printed device applications

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Abstract

Here we demonstrate inkjet printing of nanosheets of both graphene and MoS2 prepared by liquid exfoliation. We describe a protocol for the preparation of inks of nanosheets with well-defined size distribution and concentration up to 6 mg ml−1. Graphene traces were printed at low temperature (<70 °C) with no subsequent thermal or chemical treatment. Thin traces displayed percolation effects while traces with thickness above 160 nm displayed thickness-independent conductivity of 3000 S m−1. We also demonstrate the printing of semiconducting traces using solvent-exfoliated, size-selected MoS2 nanosheets. Such traces can be combined with inkjet-printed graphene interdigitated array electrodes to produce all-printed photodetectors.

Graphical abstract: Inkjet deposition of liquid-exfoliated graphene and MoS2 nanosheets for printed device applications

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Publication details

The article was received on 09 Oct 2013, accepted on 09 Dec 2013 and first published on 09 Dec 2013


Article type: Paper
DOI: 10.1039/C3TC31993H
Citation: J. Mater. Chem. C, 2014,2, 925-932

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    Inkjet deposition of liquid-exfoliated graphene and MoS2 nanosheets for printed device applications

    D. J. Finn, M. Lotya, G. Cunningham, R. J. Smith, D. McCloskey, J. F. Donegan and J. N. Coleman, J. Mater. Chem. C, 2014, 2, 925
    DOI: 10.1039/C3TC31993H

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