Effect of Fe3O4 loading on the conductivities of carbon nanotube/chitosan composite films Marroquin, Jason; Kim, H.J.; Jung, Dong-Ho; Rhee, Kyong-Yop;
Nanocomposite films were made by a simple solution casting method in which multi-walled carbon nanotubes (MWCNT) and magnetite nanoparticles () were used as dopant materials to enhance the electrical conductivity of chitosan nanocomposite films. The films contained fixed CNT concentrations (5, 8, and 10 wt%) and varying content. It was determined that a 1:1 ratio of CNT to provided optimal conductivity according to dopant material loading. X-ray diffraction patterns for the nanocomposite films, were determined to investigate their chemical and phase composition, revealed that nanoparticle agglomeration occurred at high loadings, which hindered the synergistic effect of the doping materials on the conductivity of the films.
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