High-Resolution Inkjet Printing of All-Polymer Transistor Circuits

  • H. Sirringhaus
    Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 OHE, UK.
  • T. Kawase
    Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 OHE, UK.
  • R. H. Friend
    Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 OHE, UK.
  • T. Shimoda
    Base Technology Research Center, Seiko-Epson Corporation, 3-5-3 Owa, Suwa-Shi, Nagano-Ken 392, Japan.
  • M. Inbasekaran
    The Dow Chemical Company, Midland, MI 48674, USA.
  • W. Wu
    The Dow Chemical Company, Midland, MI 48674, USA.
  • E. P. Woo
    The Dow Chemical Company, Midland, MI 48674, USA.

抄録

<jats:p> Direct printing of functional electronic materials may provide a new route to low-cost fabrication of integrated circuits. However, to be useful it must allow continuous manufacturing of all circuit components by successive solution deposition and printing steps in the same environment. We demonstrate direct inkjet printing of complete transistor circuits, including via-hole interconnections based on solution-processed polymer conductors, insulators, and self-organizing semiconductors. We show that the use of substrate surface energy patterning to direct the flow of water-based conducting polymer inkjet droplets enables high-resolution definition of practical channel lengths of 5 micrometers. High mobilities of 0.02 square centimeters per volt second and on-off current switching ratios of 10 <jats:sup>5</jats:sup> were achieved. </jats:p>

収録刊行物

  • Science

    Science 290 (5499), 2123-2126, 2000-12-15

    American Association for the Advancement of Science (AAAS)

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