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  • Smits, Edsger C. P.University of Groningen, Netherlands; Philips Research Labs, Netherlands; Dutch Polymer Institute, Netherlands (author)

Bottom-up organic integrated circuits

  • Article/chapterEnglish2008

Publisher, publication year, extent ...

  • Nature Publishing Group,2008
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-141491
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-141491URI
  • https://doi.org/10.1038/nature07320DOI

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  • Language:English
  • Summary in:English

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

Notes

  • Funding Agencies|Dutch Polymer Institute [project 516]; EU project NAIMO [NMP4-CT-2004-500355]; Dutch Technology Foundation STW; Austrian Science Foundation
  • Self- assembly - the autonomous organization of components into patterns and structures(1) - is a promising technology for the mass production of organic electronics. Making integrated circuits using a bottom- up approach involving self- assembling molecules was proposed(2) in the 1970s. The basic building block of such an integrated circuit is the self- assembled- monolayer field- effect transistor ( SAMFET), where the semiconductor is a monolayer spontaneously formed on the gate dielectric. In the SAMFETs fabricated so far, current modulation has only been observed in submicrometre channels(3-5), the lack of efficient charge transport in longer channels being due to defects and the limited intermolecular pi-pi coupling between the molecules in the self-assembled monolayers. Low field- effect carrier mobility, low yield and poor reproducibility have prohibited the realization of bottom- up integrated circuits. Here we demonstrate SAMFETs with long- range intermolecular pi - pi coupling in the monolayer. We achieve dense packing by using liquid- crystalline molecules consisting of a pi- conjugated mesogenic core separated by a long aliphatic chain from a monofunctionalized anchor group. The resulting SAMFETs exhibit a bulk- like carrier mobility, large current modulation and high reproducibility. As a first step towards functional circuits, we combine the SAMFETs into logic gates as inverters; the small parameter spread then allows us to combine the inverters into ring oscillators. We demonstrate real logic functionality by constructing a 15- bit code generator in which hundreds of SAMFETs are addressed simultaneously. Bridging the gap between discrete monolayer transistors and functional self-assembled integrated circuits puts bottom- up electronics in a new perspective.

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  • Mathijssen, Simon G. J.Philips Research Labs, Netherlands; Eindhoven University of Technology, Netherlands (author)
  • van Hal, Paul A.Philips Research Labs, Netherlands (author)
  • Setayesh, SepasPhilips Research Labs, Netherlands (author)
  • Geuns, Thomas C. T.Philips Research Labs, Netherlands (author)
  • Mutsaers, Kees A. H. A.Philips Research Labs, Netherlands (author)
  • Cantatore, EugenioEindhoven University of Technology, Netherlands (author)
  • Wondergem, Harry J.Philips Research Labs, Netherlands (author)
  • Werzer, OliverGraz University of Technology, Austria (author)
  • Resel, RolandGraz University of Technology, Austria (author)
  • Kemerink, MartijnEindhoven University of Technology, Netherlands(Swepub:liu)marke89 (author)
  • Kirchmeyer, StephanHC Starck GmbH, Germany (author)
  • Muzafarov, Aziz M.Russian Academic Science, Russia (author)
  • Ponomarenko, Sergei A.Russian Academic Science, Russia (author)
  • de Boer, BertUniversity of Groningen, Netherlands (author)
  • Blom, Paul W. M.University of Groningen, Netherlands (author)
  • de Leeuw, Dago M.University of Groningen, Netherlands; Philips Research Labs, Netherlands (author)
  • University of Groningen, Netherlands; Philips Research Labs, Netherlands; Dutch Polymer Institute, NetherlandsPhilips Research Labs, Netherlands; Eindhoven University of Technology, Netherlands (creator_code:org_t)

Related titles

  • In:Nature: Nature Publishing Group455:7215, s. 956-9590028-08361476-4687

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