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Nanostructured electrospun hybrid graphene/polyacrylonitrile yarns

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journal contribution
posted on 2017-10-01, 00:00 authored by Fahimeh Mehrpouya, Javad Foroughi, Sina Naficy, Joselito RazalJoselito Razal, Minoo NaebeMinoo Naebe
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.

History

Journal

Nanomaterials

Volume

7

Issue

10

Pagination

1 - 12

Publisher

MDPI

Location

Basel, Switzerland

ISSN

2079-4991

Language

eng

Publication classification

C Journal article; C1.1 Refereed article in a scholarly journal

Copyright notice

2017, the authors