| Improved device performance of organic crystal field-effect transistors fabricated on friction-transferred substrates. | |
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MedLine Citation:
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PMID: 19908522 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We have improved performance of organic field-effect transistors (OFETs) composed of organic nanomolecular single crystals of a thiophene/phenylene co-oligomer. A poly(tetrafluoroethylene) thin layer was applied with friction-transfer technique to an insulator layer of silicon dioxide covering a silicon substrate. The crystals were grown in a liquid phase on the friction-transferred substrate such that the bottom-contact device was completed through depositing the crystals in firm contact with the premade metal electrodes. This technique ensures an excellent electrical contact between the crystal and the electrodes. The device shows the carrier mobility up to 0.26 cm2/Vs. The linear increase in the drain currents is clearly noted around the origin of the drain current-drain voltage action diagram. Thus we have achieved a high performance with the OFETs whose fabrication is based upon the friction-transfer technique. |
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Authors:
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Takeshi Yamao; Hiroshi Akagami; Yoshihiro Nishimoto; Shu Hotta; Yuji Yoshida |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of nanoscience and nanotechnology Volume: 9 ISSN: 1533-4880 ISO Abbreviation: J Nanosci Nanotechnol Publication Date: 2009 Nov |
Date Detail:
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Created Date: 2009-11-13 Completed Date: 2009-12-11 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088195 Medline TA: J Nanosci Nanotechnol Country: United States |
Other Details:
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Languages: eng Pagination: 6271-6 Citation Subset: - |
Affiliation:
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Department of Macromolecular Science and Engineering, Graduate School of Science and Technology Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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