Structural and mechanical properties of cellulose acetate/graphene hybrid nanofibers: Spectroscopic investigations | Zendy

Mayakrishnan Gopiraman | Zendy; Kazushige Fujimori | Zendy; Khan Muhammad Zeeshan | Zendy; ByoungSuhk Kim | Zendy; Ick Soo Kim | Zendy

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Structural and mechanical properties of cellulose acetate/graphene hybrid nanofibers: Spectroscopic investigations

Author(s) -

Mayakrishnan Gopiraman,

Kazushige Fujimori,

Khan Muhammad Zeeshan,

ByoungSuhk Kim,

Ick Soo Kim

Publication year - 2013

Publication title -

express polymer letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.695

H-Index - 72

ISSN - 1788-618X

DOI - 10.3144/expresspolymlett.2013.52

Subject(s) - materials science , nanofiber , cellulose acetate , cellulose , graphene , polymer science , chemical engineering , composite material , nanotechnology , engineering

Cellulose acetate/graphene (CA/graphene) and cellulose acetate/graphene-COOH (CA/graphene-COOH) hybrid nanofibers were fabricated via electrospinning technique, and their morphologies, crystallinity and mechanical properties were investigated. The added amounts of graphene and graphene-COOH were varied from 0.5 to 5.0 wt%. The crystal structures and morphologies of the resultant hybrid nanofibers were investigated by wide angle X-ray diffraction (WAXD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM), respectively. Graphene-COOH incorporated CA nanofiber mats showed higher Young’s modulus of about 910 MPa among than those of CA/graphene nanofibers, which is due to molecular interactions between –COOH groups in acid-treated graphene and C=O groups in CA via hydrogen bonding. This specific interaction was demonstrated by spectroscopic studies (Raman and Fourier transform infrared (FT-IR) spectroscopies)

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