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  • Mathijssen, Simon G. J.Philips Research Labs, Netherlands; Eindhoven University of Technology, Netherlands (author)

Monolayer coverage and channel length set the mobility in self-assembled monolayer field-effect transistors

  • Article/chapterEnglish2009

Publisher, publication year, extent ...

  • 2009-08-09
  • Nature Publishing Group,2009
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-141484
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-141484URI
  • https://doi.org/10.1038/nnano.2009.201DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Funding Agencies|Dutch Technology Foundation STW; EU project ONE-P [212311]; Austrian Nanoinitiative
  • The mobility of self-assembled monolayer field-effect transistors (SAMFETs) traditionally decreases dramatically with increasing channel length. Recently, however, SAMFETs using liquid-crystalline molecules have been shown to have bulk-like mobilities that are virtually independent of channel length. Here, we reconcile these scaling relations by showing that the mobility in liquid crystalline SAMFETs depends exponentially on the channel length only when the monalayer is incomplete. We explain this dependence both numerically and analytically, and show that charge transport is not affected by carrier injection, grain boundaries or conducting island size. At partial coverage, that is when the monolayer is incomplete, liquid-crystalline SAMFETs thus form a unique model system to study size-dependent conductance originating from charge percolation in two dimensions.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Smits, Edsger C. P.Philips Research Labs, Netherlands; Holst Centre TNO, Netherlands (author)
  • van Hal, Paul A.Philips Research Labs, Netherlands (author)
  • Wondergem, Harry J.Philips Research Labs, Netherlands (author)
  • Ponomarenko, Sergei A.Russian Academic Science, Russia (author)
  • Moser, ArminGraz University of Technology, Austria (author)
  • Resel, RolandGraz University of Technology, Austria (author)
  • Bobbert, Peter A.Eindhoven University of Technology, Netherlands (author)
  • Kemerink, MartijnEindhoven University of Technology, Netherlands(Swepub:liu)marke89 (author)
  • Janssen, Rene A. J.Eindhoven University of Technology, Netherlands (author)
  • de Leeuw, Dago M.Philips Research Labs, Netherlands; University of Groningen, Netherlands (author)
  • Philips Research Labs, Netherlands; Eindhoven University of Technology, NetherlandsPhilips Research Labs, Netherlands; Holst Centre TNO, Netherlands (creator_code:org_t)

Related titles

  • In:Nature Nanotechnology: Nature Publishing Group4:10, s. 674-6801748-33871748-3395

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