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

Wonsik Eom, Eunsong Lee, Sang Hoon Lee, Tae Hyun Sung, Adam J. Clancy, Won Jun Lee () and Tae Hee Han ()
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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

Nature Communications, 2021, vol. 12, issue 1, 1-8

Abstract: 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.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-020-20518-0

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DOI: 10.1038/s41467-020-20518-0

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