Flexible gigahertz transistors derived from solution-based single-layer graphene

Cédric Sire, Florence Ardiaca, Sylvie Lepilliet, Jung Woo T Seo, Mark C Hersam, Gilles Dambrine, Henri Happy, Vincent Derycke

Research output: Contribution to journalArticle

105 Citations (Scopus)

Abstract

Flexible electronics mostly relies on organic semiconductors but the limited carrier velocity in polymers and molecular films prevents their use at frequencies above a few megahertz. Conversely, the high potential of graphene for high-frequency electronics on rigid substrates was recently demonstrated. We conducted the first study of solution-based graphene transistors at gigahertz frequencies, and we show that solution-based single-layer graphene ideally combines the required properties to achieve high speed flexible electronics on plastic substrates. Our graphene flexible transistors have current gain cutoff frequencies of 2.2 GHz and power gain cutoff frequencies of 550 MHz. Radio frequency measurements directly performed on bent samples show remarkable mechanical stability of these devices and demonstrate the advantages of solution-based graphene field-effect transistors over other types of flexible transistors based on organic materials.

Original languageEnglish
Pages (from-to)1184-1188
Number of pages5
JournalNano Letters
Volume12
Issue number3
DOIs
Publication statusPublished - Mar 14 2012

Fingerprint

Graphite
Graphene
graphene
Transistors
transistors
Flexible electronics
Cutoff frequency
cut-off
Semiconducting organic compounds
electronics
Mechanical stability
Substrates
Field effect transistors
power gain
frequency measurement
organic semiconductors
Polymers
organic materials
Electronic equipment
Plastics

Keywords

  • flexible electronics
  • Graphene
  • high-frequency
  • single-layer
  • solution-based
  • transistor

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Sire, C., Ardiaca, F., Lepilliet, S., Seo, J. W. T., Hersam, M. C., Dambrine, G., ... Derycke, V. (2012). Flexible gigahertz transistors derived from solution-based single-layer graphene. Nano Letters, 12(3), 1184-1188. https://doi.org/10.1021/nl203316r

Flexible gigahertz transistors derived from solution-based single-layer graphene. / Sire, Cédric; Ardiaca, Florence; Lepilliet, Sylvie; Seo, Jung Woo T; Hersam, Mark C; Dambrine, Gilles; Happy, Henri; Derycke, Vincent.

In: Nano Letters, Vol. 12, No. 3, 14.03.2012, p. 1184-1188.

Research output: Contribution to journalArticle

Sire, C, Ardiaca, F, Lepilliet, S, Seo, JWT, Hersam, MC, Dambrine, G, Happy, H & Derycke, V 2012, 'Flexible gigahertz transistors derived from solution-based single-layer graphene', Nano Letters, vol. 12, no. 3, pp. 1184-1188. https://doi.org/10.1021/nl203316r
Sire C, Ardiaca F, Lepilliet S, Seo JWT, Hersam MC, Dambrine G et al. Flexible gigahertz transistors derived from solution-based single-layer graphene. Nano Letters. 2012 Mar 14;12(3):1184-1188. https://doi.org/10.1021/nl203316r
Sire, Cédric ; Ardiaca, Florence ; Lepilliet, Sylvie ; Seo, Jung Woo T ; Hersam, Mark C ; Dambrine, Gilles ; Happy, Henri ; Derycke, Vincent. / Flexible gigahertz transistors derived from solution-based single-layer graphene. In: Nano Letters. 2012 ; Vol. 12, No. 3. pp. 1184-1188.
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