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Covalent Chemical Modification of Single-walled Carbon Nanotubes Using Azide Functionalised Anthraquinone Derivatives for Pseudocapacitor Application.

Published online by Cambridge University Press:  09 August 2013

Charlotte Frayère ,
Christophe Galindo ,
Laurent Divay ,
Michel Paté  and
Pierre Le Barny
Charlotte Frayère
Affiliation:
Thales Research and Technology-France, Campus Polytechnique, 1 Avenue Augustin Fresnel, 91 767 Palaiseau, France.
Christophe Galindo
Affiliation:
Thales Research and Technology-France, Campus Polytechnique, 1 Avenue Augustin Fresnel, 91 767 Palaiseau, France.
Laurent Divay
Affiliation:
Thales Research and Technology-France, Campus Polytechnique, 1 Avenue Augustin Fresnel, 91 767 Palaiseau, France.
Michel Paté
Affiliation:
Thales Research and Technology-France, Campus Polytechnique, 1 Avenue Augustin Fresnel, 91 767 Palaiseau, France.
Pierre Le Barny
Affiliation:
Thales Research and Technology-France, Campus Polytechnique, 1 Avenue Augustin Fresnel, 91 767 Palaiseau, France.
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Abstract

Electrodes made of single-walled carbon nanotubes (SWCNTs) chemically modified by a series of anthraquinone derivatives (AQ) have been prepared and characterized by cyclic voltammetry in 0.1M H2SO4, using the standard 3 electrode set-up and by Raman spectroscopy. It has been demonstrated that a AQ modified SWCNT electrode provided between 114 to 220% higher specific capacitance, compared to pristine SWCNT electrode, depending on the length of the spacer between SWCNT and AQ.

Keywords

nanostructureenergy storageorganic

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