Polymer cantilever platform for dielectrophoretic assembly of carbon nanotubes

Alicia Johansson, M. Calleja, Maria Dimaki, Peter Andreas Rasmussen, Peter Bøggild, Anja Boisen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    A polymer cantilever platform for dielectrophoretic assembly of carbon nanotubes has been designed and realized. Multi-walled carbon nanotubes from aqueous solution have been assembled between two metal electrodes that are separated by 2 mu m and embedded in the polymer cantilever. The entire chip, except for the metallic electrodes and wiring, was fabricated in the photoresist SU-8. SU-8 allows for an inexpensive, flexible and fast fabrication method, and the cantilever platform provides a hydrophobic surface that should be well suited for nanotube assembly. The device can be integrated in a micro-total analysis system and has the potential to be used as a scanning sensor for biochemical applications.
    Original languageEnglish
    JournalSensor Letters
    Volume2
    Issue number2
    Pages (from-to)117-120
    ISSN1546-198X
    Publication statusPublished - 2004

    Keywords

    • dielectrophoresis
    • carbon nanotubes
    • SU-8
    • polymer cantilever
    • biosensor

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