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Bottom-up organic i...
Bottom-up organic integrated circuits
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- Smits, Edsger C. P. (author)
- University of Groningen, Netherlands; Philips Research Labs, Netherlands; Dutch Polymer Institute, Netherlands
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- Mathijssen, Simon G. J. (author)
- Philips Research Labs, Netherlands; Eindhoven University of Technology, Netherlands
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- van Hal, Paul A. (author)
- Philips Research Labs, Netherlands
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- Setayesh, Sepas (author)
- Philips Research Labs, Netherlands
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- Geuns, Thomas C. T. (author)
- Philips Research Labs, Netherlands
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- Mutsaers, Kees A. H. A. (author)
- Philips Research Labs, Netherlands
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- Cantatore, Eugenio (author)
- Eindhoven University of Technology, Netherlands
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- Wondergem, Harry J. (author)
- Philips Research Labs, Netherlands
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- Werzer, Oliver (author)
- Graz University of Technology, Austria
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- Resel, Roland (author)
- Graz University of Technology, Austria
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- Kemerink, Martijn (author)
- Eindhoven University of Technology, Netherlands
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- Kirchmeyer, Stephan (author)
- HC Starck GmbH, Germany
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- Muzafarov, Aziz M. (author)
- Russian Academic Science, Russia
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- Ponomarenko, Sergei A. (author)
- Russian Academic Science, Russia
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- de Boer, Bert (author)
- University of Groningen, Netherlands
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- Blom, Paul W. M. (author)
- University of Groningen, Netherlands
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- de Leeuw, Dago M. (author)
- University of Groningen, Netherlands; Philips Research Labs, Netherlands
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(creator_code:org_t)
- Nature Publishing Group, 2008
- 2008
- English.
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In: Nature. - : Nature Publishing Group. - 0028-0836 .- 1476-4687. ; 455:7215, s. 956-959
- Related links:
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https://pure.rug.nl/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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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.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Smits, Edsger C. ...
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Mathijssen, Simo ...
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van Hal, Paul A.
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Setayesh, Sepas
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Geuns, Thomas C. ...
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Mutsaers, Kees A ...
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Cantatore, Eugen ...
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Wondergem, Harry ...
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Werzer, Oliver
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Resel, Roland
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Kemerink, Martij ...
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Kirchmeyer, Step ...
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Muzafarov, Aziz ...
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Ponomarenko, Ser ...
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de Boer, Bert
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Blom, Paul W. M.
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de Leeuw, Dago M ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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Nature
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Linköping University