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Bottom-up organic i...
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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
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Nature Publishing Group,2008
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LIBRIS-ID:oai:DiVA.org:liu-141491
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-141491URI
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https://doi.org/10.1038/nature07320DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Funding Agencies|Dutch Polymer Institute [project 516]; EU project NAIMO [NMP4-CT-2004-500355]; Dutch Technology Foundation STW; Austrian Science Foundation
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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)
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van Hal, Paul A.Philips Research Labs, Netherlands
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Setayesh, SepasPhilips Research Labs, Netherlands
(author)
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Geuns, Thomas C. T.Philips Research Labs, Netherlands
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Mutsaers, Kees A. H. A.Philips Research Labs, Netherlands
(author)
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Cantatore, EugenioEindhoven University of Technology, Netherlands
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Wondergem, Harry J.Philips Research Labs, Netherlands
(author)
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Werzer, OliverGraz University of Technology, Austria
(author)
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Resel, RolandGraz University of Technology, Austria
(author)
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Kemerink, MartijnEindhoven University of Technology, Netherlands(Swepub:liu)marke89
(author)
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Kirchmeyer, StephanHC Starck GmbH, Germany
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Muzafarov, Aziz M.Russian Academic Science, Russia
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Ponomarenko, Sergei A.Russian Academic Science, Russia
(author)
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de Boer, BertUniversity of Groningen, Netherlands
(author)
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Blom, Paul W. M.University of Groningen, Netherlands
(author)
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de Leeuw, Dago M.University of Groningen, Netherlands; Philips Research Labs, Netherlands
(author)
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University of Groningen, Netherlands; Philips Research Labs, Netherlands; Dutch Polymer Institute, NetherlandsPhilips Research Labs, Netherlands; Eindhoven University of Technology, Netherlands
(creator_code:org_t)
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In:Nature: Nature Publishing Group455:7215, s. 956-9590028-08361476-4687
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