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Strong graphene oxide nanocomposites from aqueous hybrid liquid crystals

Author

Listed:
  • Maruti Hegde

    (University of North Carolina at Chapel Hill
    Delft University of Technology, Kluyverweg 1)

  • Lin Yang

    (National Synchrotron Light Source II, Brookhaven National Laboratory)

  • Francesco Vita

    (Università Politecnica della Marche)

  • Ryan J. Fox

    (University of North Carolina at Chapel Hill)

  • Renee Watering

    (Delft University of Technology, Kluyverweg 1)

  • Ben Norder

    (Delft University of Technology)

  • Ugo Lafont

    (European Space Technology and Research Centre, European Space Agency)

  • Oriano Francescangeli

    (Università Politecnica della Marche)

  • Louis A. Madsen

    (Virginia Tech)

  • Stephen J. Picken

    (Delft University of Technology)

  • Edward T. Samulski

    (University of North Carolina at Chapel Hill)

  • Theo J. Dingemans

    (University of North Carolina at Chapel Hill
    Delft University of Technology, Kluyverweg 1)

Abstract

Combining polymers with small amounts of stiff carbon-based nanofillers such as graphene or graphene oxide is expected to yield low-density nanocomposites with exceptional mechanical properties. However, such nanocomposites have remained elusive because of incompatibilities between fillers and polymers that are further compounded by processing difficulties. Here we report a water-based process to obtain highly reinforced nanocomposite films by simple mixing of two liquid crystalline solutions: a colloidal nematic phase comprised of graphene oxide platelets and a nematic phase formed by a rod-like high-performance aramid. Upon drying the resulting hybrid biaxial nematic phase, we obtain robust, structural nanocomposites reinforced with graphene oxide.

Suggested Citation

  • Maruti Hegde & Lin Yang & Francesco Vita & Ryan J. Fox & Renee Watering & Ben Norder & Ugo Lafont & Oriano Francescangeli & Louis A. Madsen & Stephen J. Picken & Edward T. Samulski & Theo J. Dingemans, 2020. "Strong graphene oxide nanocomposites from aqueous hybrid liquid crystals," Nature Communications, Nature, vol. 11(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14618-0
    DOI: 10.1038/s41467-020-14618-0
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