Ultrasonic Assisted Synthesis of 2D-Functionalized Grapheneoxide@PEDOT Composite Thin Films and its Application in Electrochemical Capacitors


Ultrasonic Assisted Synthesis of 2D-Functionalized Grapheneoxide@PEDOT Composite Thin Films and its Application in Electrochemical Capacitors

P. Ramyakrishna, B. Rajender, G. Sadanandam, P. Srinivas, Inamuddina

Poly(3,4-ethylene dioxythiophene) (PEDOT)@functionalized graphene oxide (FGO) hydrogel thin films were fabricated by simple sonochemical polymerization of EDOT with 1 wt% of FGO. The unique properties of the composites were investigated by FT-infrared spectroscopy, X-ray diffraction, scanning electron microscopy, thermogravimetric analysis, cyclic voltammetry and impedance analysis. The potential utility of synthesized composites as electrodes for high-performance supercapacitors has been assessed. Sulfonated graphene oxide (SFGO)-PEDOT showed higher electrochemical performance and long-durability than that of carboxyl functionalized graphene oxide (CFGO)-PEDOT composite and pristine PEDOT. This composite satisfied the prerequisite of elongated cycle life mandatory for a capacitive energy storage device system.

Functionalized GO, PEDOT Composite, Two-dimensional, High-performance Supercapacitor Device, Eco-friendly

Published online 2/25/2018, 14 pages

DOI: http://dx.doi.org/10.21741/9781945291579-4

Part of Electrochemical Capacitors

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