Organic metal-organic semiconductor blended contacts in single crystal field-effect transistors

Raphael Pfattner, Marta Mas-Torrent, César Moreno, Joaquim Puigdollers, Ramón Alcubilla, Ivano Bilotti, Elisabetta Venuti, Aldo Brillante, Vladimir Laukhin, Jaume Veciana, Concepció Rovira

    Research output: Contribution to journalArticleResearchpeer-review

    14 Citations (Scopus)

    Abstract

    A novel approach to blend organic source and drain electrodes with semiconducting organic single crystals in field-effect transistors is described. The devices fabricated show a very high performance which is ascribed to a notable reduction of the contact resistance as measured by Kelvin probe microscopy. The average mobility is found to be four-fold that obtained from devices where no interpenetration of the two materials takes place. This work highlights therefore the importance of the contacts in organic field-effect transistors not only in terms of the alignment of the energy levels but also with respect to the interface morphology. © 2012 The Royal Society of Chemistry.
    Original languageEnglish
    Pages (from-to)16011-16016
    JournalJournal of Materials Chemistry
    Volume22
    Issue number31
    DOIs
    Publication statusPublished - 21 Aug 2012

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