Tough, semiconducting polyethylene-poly(3-hexylthiophene) diblock copolymers

C. Müller, S. Goffri, Dag Werner Breiby, Jens Wenzel Andreasen, H.D. Chanzy, R.A.J. Janssen, Martin Meedom Nielsen, C.P. Radano, H. Sirringhaus, P. Smith, N. Stingelin-Stutzmann

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    Abstract

    Semiconducting diblock copolymers of polyethylene (PE) and regioregular poly(3-hexylthiophene) (P3HT) are demonstrated to exhibit a rich phase behaviour, judicious use of which permitted us to fabricate field-effect transistors that show saturated charge carrier mobilities, mu(FET), as high as 2 x 10(-2) cm(2)V(-1)s(-1) and ON-OFF ratios, I-on/I-off similar to 10(5) at contents of the insulating PE moiety as high as 90 wt %. In addition, the diblock copolymers display outstanding flexibility and toughness with elongations at break exceeding 600 % and true tensile strengths around 70 MPa, opening the path towards robust and truly flexible electronic components.
    Original languageEnglish
    JournalAdvanced Functional Materials
    Volume17
    Issue number15
    Pages (from-to)2674-2679
    ISSN1616-301X
    DOIs
    Publication statusPublished - 2007

    Keywords

    • Mechanical properties
    • Semiconductors
    • Transistors

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