Electrochemical
polymerization has proven very effective in fabricating
flexible organic/inorganic composite films with high thermoelectric
(TE) performance. In this work, dynamic three-phase interfacial electropolymerization
of 3,4-ethylenedioxythiophene (EDOT) combined with physical mixing
of single-walled carbon nanotubes (SWCNT) and tellurium nanowires
was employed to prepare PEDOT/Te/SWCNT thermoelectric composites.
When the loadings of Te and SWCNT were changed, the electropolymerized
PEDOT exhibited great capability of improving TE properties of the
resultant composites with a highest electrical conductivity (σ)
of 900.3 ± 20.5 S cm–1 and Seebeck coefficient
(S) of 43.4 ± 0.6 μV K–1, affording maximum power factor (PF) of 169.8 ± 7.8 μW
m–1 K–2 at room temperature.