Inkjet-Printed Graphene Electronics

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–1 s–1, as well as transparent an...

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Bibliographic Details
Published in:ACS nano 2012-04, Vol.6 (4), p.2992-3006
Main Authors: Torrisi, Felice, Hasan, Tawfique, Wu, Weiping, Sun, Zhipei, Lombardo, Antonio, Kulmala, Tero S, Hsieh, Gen-Wen, Jung, Sungjune, Bonaccorso, Francesco, Paul, Philip J, Chu, Daping, Ferrari, Andrea C
Format: Article
Language:English
Subjects:
Devices
Electrical resistivity
Electronics
Graphene
Graphite
Nanostructure
Semiconductor devices
Transistors
Transmittance
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Summary: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–1 s–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.
ISSN:1936-0851
1936-086X
DOI:10.1021/nn2044609