Capacitance Enhancement by Incorporation of Functionalised Carbon Nanotubes into Poly(3,4-Ethylenedioxythiophene)/Graphene Oxide Composites - Publication - MOST Wiedzy

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Capacitance Enhancement by Incorporation of Functionalised Carbon Nanotubes into Poly(3,4-Ethylenedioxythiophene)/Graphene Oxide Composites

Abstract

This paper reports on the role of oxidised carbon nanotubes (oxMWCNTs) present in poly-3,4-ethylenedioxytiophene (PEDOT)/graphene oxide (GOx) composite. The final ternary composites (pEDOT/GOx/oxMWCNTs) are synthesised by an electrodeposition process from the suspension-containing monomer, oxidised carbon nanotubes and graphene oxide. Dissociated functional groups on the surface of graphene oxide play a role of counter-ions for the polymer chains. Detailed physicochemical and electrochemical characterisation of the ternary composites is presented in the paper. The results prove that the presence of oxMWCNTs in the ternary composites doubles the capacitance values compared to the binary ones (450 vs. 270 F cm3 for PEDOT/GOx/oxMWCNTs and PEDOT/GOx, respectively). The amount of carbon nanotubes in the synthesis solution is crucial for physicochemical properties of the composites, their adhesion to the electrode substrate and the electrochemical performance.

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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Materials no. 13, pages 2419 - 2435,
ISSN: 1996-1944
Language:
English
Publication year:
2020
Bibliographic description:
Cymann A., Sawczak M., Ryl J., Klugmann-Radziemska E., Wilamowska-Zawłocka M.: Capacitance Enhancement by Incorporation of Functionalised Carbon Nanotubes into Poly(3,4-Ethylenedioxythiophene)/Graphene Oxide Composites// Materials -Vol. 13,iss. 10 (2020), s.2419-2435
DOI:
Digital Object Identifier (open in new tab) 10.3390/ma13102419
Sources of funding:
Verified by:
Gdańsk University of Technology

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