Department of Engineering, University of Cambridge, Cambridge CB3 0FA, U.K.
ACS Nano, Article ASAP
DOI: 10.1021/nn2044609
Publication Date (Web): March 9, 2012
Copyright © 2012 American Chemical Society
We demonstrate inkjet printing as a viable method for large-area fabrication of graphene devices. We produce a graphene-based ink by liquid phase exfoliation of graphite in N-methylpyrrolidone. We use it to print thin-film transistors, with mobilities up to 
95 cm2 V–1s–1, as well as transparent and conductive patterns, with 80% transmittance and 30 kΩ/□ sheet resistance. This paves the way to all-printed, flexible, and transparent graphene devices on arbitrary substrates.
95 cm2 V–1s–1, as well as transparent and conductive patterns, with 80% transmittance and 30 kΩ/□ sheet resistance. This paves the way to all-printed, flexible, and transparent graphene devices on arbitrary substrates.
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