%0 Journal Article
%T Liquid Crystalline Graphene Oxide/PEDOT:PSS Self-Assembled 3D Architecture for Binder-Free Supercapacitor Electrodes
%A Md. Monirul Islam
%A Alfred T. Chidembo
%A Hua Kun Liu
%A Konstantin Konstantinov
%J Frontiers in Energy Research
%D 2014
%I Frontiers Media
%R 10.3389/fenrg.2014.00031
%X Binder-free self-assembled 3D architecture electrodes have been fabricated by a novel convenient method. Liquid crystalline graphene oxide was used as precursor to interact with poly(3,4-ethylene-dioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) in dispersion in order to form a conductive polymer entrapped, self-assembled layer-by-layer structure. This advanced network containing PEDOT:PSS enabled us to ascribe the superior electrochemical properties of particular graphene sheets. This layer-by-layer self-assembled 3D architecture of best performing composite (reduced graphene oxide¨CPEDOT:PSS 25) showed excellent electrochemical performance of 434 F g£¿1 through chemical treatment. To highlight these advances, we further explored the practicality of the as-prepared electrode by varying the composite material content. An asymmetric supercapacitor device using aqueous electrolyte was also studied of this same composite. The resulting performance from this set up included a specific capacitance of 132 F g£¿1. Above all, we observed an increase in specific capacitance (19%) with increase in cycle life emphasizing the excellent stability of this device.
%K liquid crystalline
%K binder-free
%K self-assembled
%K conducting polymer
%K supercapacitor
%K PEDOT:PSS
%U http://www.frontiersin.org/Journal/10.3389/fenrg.2014.00031/abstract