Directed self-assembly of graphene oxide on an electrospun polymer fiber template

T. P. Vinod, Xiuxiu Yin, Jürgen Jopp, Raz Jelinek

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Development of self-assembly routes for long-range organization of graphene oxide (GO) is an active field of research due to the enormous potential and diverse applications of this carbonaceous material. We present a simple strategy for producing anisotropic GO assemblies through utilizing electrospun polymer fibers as a physical template. We demonstrate that intertwined uniform electrospun microfibers comprising a mixture of polyethylenimine (PEI) and polyvinylpyrrolidone (PVP) constituted docking sites for GO flakes through electrostatic attraction between the negatively-charged GO and positive amine-displaying polymer fibers. The reduced GO (r-GO) network formed after chemical reduction exhibited electrical conductivity and optical transparency, opening the way for varied electro-optical applications.

Original languageEnglish
Pages (from-to)888-894
Number of pages7
JournalCarbon
Volume95
DOIs
StatePublished - 11 Oct 2015

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