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Carbon nanotube-reduced graphene oxide fiber with high torsional strength from rheological hierarchy control

Author

Listed:
  • Wonsik Eom

    (Hanyang University)

  • Eunsong Lee

    (Hanyang University)

  • Sang Hoon Lee

    (Hanyang University)

  • Tae Hyun Sung

    (Hanyang University)

  • Adam J. Clancy

    (University College London)

  • Won Jun Lee

    (Dankook University)

  • Tae Hee Han

    (Hanyang University
    Human-Tech Convergence Program, Hanyang University)

Abstract

High torsional strength fibers are of practical interest for applications such as artificial muscles, electric generators, and actuators. Herein, we maximize torsional strength by understanding, measuring, and overcoming rheological thresholds of nanocarbon (nanotube/graphene oxide) dopes. The formed fibers show enhanced structure across multiple length scales, modified hierarchy, and improved mechanical properties. In particular, the torsional properties were examined, with high shear strength (914 MPa) attributed to nanotubes but magnified by their structure, intercalating graphene sheets. This design approach has the potential to realize the hierarchical dimensional hybrids, and may also be useful to build the effective network structure of heterogeneous materials.

Suggested Citation

  • Wonsik Eom & Eunsong Lee & Sang Hoon Lee & Tae Hyun Sung & Adam J. Clancy & Won Jun Lee & Tae Hee Han, 2021. "Carbon nanotube-reduced graphene oxide fiber with high torsional strength from rheological hierarchy control," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-020-20518-0
    DOI: 10.1038/s41467-020-20518-0
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