Fabrication and characterization of PEDOT nanowires based on self-assembled peptide nanotube lithography

Karsten Brandt Andersen, Nikolaj Ormstrup Christiansen, Jaime Castillo, Noemi Rozlosnik, Winnie Edith Svendsen

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    In this article we demonstrate the use of self-assembled peptide nanotube structures as masking material in a rapid, mild and low cost fabrication of polymerized p-toluenesulfonate
    doped poly(3,4-ethylenedioxythiophene) (PEDOT:TsO) nanowire device. In this new fabrication approach the PEDOT:TsO nanowire avoids all contact with any organic solvents otherwise traditionally used in clean room fabrication. This can be achieved due to the intriguing properties of the self-assembled peptide nanotubes utilized as a dry etching mask for the patterning of the PEDOT:TsO nanowire. The peptide nanotubes, despite remaining stable during the reactive ion etching procedure, can be dissolved rapidly in water afterwards. The fabricated PEDOT:TsO nanowire devices exhibit excellent electrical
    characteristics. Finally, the potential of PEDOT:TsO nanowires as temperature sensors has been demonstrated and the high resolution of the sensor was illustrated.
    Original languageEnglish
    JournalOrganic Electronics
    Issue number5
    Pages (from-to)1370–1375
    Publication statusPublished - 2013


    • PEDOT:TsO
    • Diphenylalanine
    • Nanowire
    • Nanolithography
    • Cleanroom fabrication
    • Self-assembly


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