RGO/Nylon-6 composite mat with unique structural features and electrical properties obtained from electrospinning and hydrothermal process

Title
RGO/Nylon-6 composite mat with unique structural features and electrical properties obtained from electrospinning and hydrothermal process
Authors
Hem Raj PantBishweshwar Pant박찬희김한주이동수Leonard D. Tijing황보상김학용김철상
Keywords
Electrospinning; Hydrothermal; Graphene oxide; Nylon-6; Conductivity
Issue Date
2013-06
Publisher
FIBERS AND POLYMERS
Citation
VOL 14, NO 6, 970-975
Abstract
In this work, the reduced graphene oxide (RGO) sheets were effectively uploaded through nylon-6 fibers using combined process of electrospinning and hydrothermal treatment. Good dispersion of graphene oxide (GO) with nylon-6 solution could allow to upload GO sheets through nylon-6 fibers and facilitate the formation of spider-wave-like nano-nets during electrospinning. GO sheets present on/into nylon-6 spider-wave-like nano-nets were further reduced to RGO using hydrothermal treatment. The impregnated GO sheets into nylon-6 nanofibers and their reduction during hydrothermal treatment were confirmed by FE-SEM, TEM, FT-IR and Raman spectra. The electrical characteristics of pristine nylon-6, GO/nylon-6 and RGO/nylon-6 nanofibers were investigated and it was found that RGO/nylon-6 composite mat had better electrical conductivity than others. The formation of spider-wave-like nano-nets as well as indirect route of incorporation of RGO sheets on electrospun nylon-6 mat may open a new direction for future graphene/polymer electronics.
URI
http://pubs.kist.re.kr/handle/201004/45180
ISSN
12299197
Appears in Collections:
KIST Publication > Article
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