Authors: Jun Xu Jiangang Li Yao Wu Shuang Bai
Publish Date: 2014/05/21
Volume: 25, Issue: 7, Pages: 3233-3241
Abstract
Water soluble and conducting polysodium 4styrenesulfonate PSSNa doped poly34ethylenedioxythiophene PEDOT/multiwalled carbon nanotubes MWNTs nanocomposites were synthesized by PSSNa functionalized MWNTs and 34ethylenedioxythiophene EDOT in situ oxidation polymerization In the process MWNTs were functionalized by PSSNa via physicochemical interaction PSS groups on the surface of MWNTs absorbed EDOT monomers and acted as counter ions during in situ polymerization macromolecules of PEDOT growth on the surface of MWNTs formed a homogeneous core MWNTs–shell PEDOT nanostructure Owing to water soluble PEDOT–PSSNa coating on the surface of MWNTs and the association of PSSNa acting as interlinking between PEDOT and MWNTs the core–shell nanostructures were dissolved in water forming stable aqueous solution with good transparence The composite was more stable in the temperature range up to 300 °C and exhibited improved thermal stability at the range of 300–500 °C compared with PEDOT–PSSNa Because of π–π interactions between MWNTs and PEDOT coatings as well as homogenously dispersion of MWNTs in PEDOT conductivity of the composites at room temperature was increased by two orders of magnitude over PEDOT–PSSNa
Keywords: