All-printed low-voltage organic transistor on a low-cost plastic substrate

Daniel Tobjörk, Nikolai Kaihovirta, Tapio Mäkelä, Ronald Österbacka

    Research output: Contribution to conferenceConference articleScientific

    Abstract

    We show HIFETs fabricated completely by printing methods in ambient air on a low-cost plastic substrate (Mylarr A). In this work the ink-jet printing (IJP) method was used for printing all electrodes, while the semiconductor and insulator layers (for which patterning is not necessary) were applied with the roll-to-roll reverse gravure coating (RGC) technique. IJP is a low-cost flexible non-contact direct roll-to-roll compatible printing technique that produces patterns at high resolution (1-100 =m) with low material consumption. The RGC technique, on the other hand, is not used for patterning, but has the advantage of producing thin homogeneous layers for a wide range of ink viscosities.
    Original languageEnglish
    Publication statusPublished - 2009
    MoE publication typeNot Eligible
    EventXLIII Annual Conference of the Finnish Physical Society - Espoo, Finland
    Duration: 12 Mar 200914 Mar 2009

    Conference

    ConferenceXLIII Annual Conference of the Finnish Physical Society
    Country/TerritoryFinland
    CityEspoo
    Period12/03/0914/03/09

    Keywords

    • roll-to-roll
    • organic transistor
    • all-printed

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