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Nanostructured electrospun hybrid graphene/polyacrylonitrile yarns

Mehrpouya, Fahimeh, Foroughi, Javad, Naficy, Sina, Razal, Joselito M and Naebe, Minoo 2017, Nanostructured electrospun hybrid graphene/polyacrylonitrile yarns, Nanomaterials, vol. 7, no. 10, pp. 1-12, doi: 10.3390/nano7100293.

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Title Nanostructured electrospun hybrid graphene/polyacrylonitrile yarns
Author(s) Mehrpouya, Fahimeh
Foroughi, Javad
Naficy, Sina
Razal, Joselito MORCID iD for Razal, Joselito M orcid.org/0000-0002-9758-3702
Naebe, MinooORCID iD for Naebe, Minoo orcid.org/0000-0002-0607-6327
Journal name Nanomaterials
Volume number 7
Issue number 10
Start page 1
End page 12
Total pages 12
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2017-10
ISSN 2079-4991
Keyword(s) liquid crystal graphene oxide
composite
nanofiber
electrospinning
twisted yarn
science & technology
technology
nanoscience & nanotechnology
materials science
Summary Novel nanostructured hybrid electrospun polyacrylonitrile (PAN) yarns with different graphene ratios were prepared using liquid crystal graphene oxide (LCGO) and PAN. It was found that the well-dispersed LCGO were oriented along the fiber axis in an electrified thin liquid jet during electrospinning. The graphene oxide sheets were well dispersed in the polar organic solvent, forming nematic liquid crystals upon increasing concentration. Twisted nanofibers were produced from aligned nanofibrous mats prepared by conventional electrospinning. It was found that the mechanical properties of the twisted nanofiber yarns increased even at very low LCGO loading. This research offers a new approach for the fabrication of continuous, strong, and uniform twisted nanofibers which could show promise in developing a novel carbon fiber precursor.
Language eng
DOI 10.3390/nano7100293
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID Australian Research Council (Discovery Early Career Researcher Award J. Foroughi, DE12010517).
Copyright notice ©2017, the authors
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30106922

Document type: Journal Article
Collections: Institute for Frontier Materials
Open Access Collection
GTP Research
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.