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. 2020 Jan 22;12(3):3547-3553.
doi: 10.1021/acsami.9b17947. Epub 2020 Jan 9.

Poly(3,4-ethylenedioxythiophene)/Te/Single-Walled Carbon Nanotube Composites with High Thermoelectric Performance Promoted by Electropolymerization

Sixing Yin  1 , Wentao Lu  1 , Ruikai Wu  1 , Wusheng Fan  1   2 , Cun-Yue Guo  1 , Guangming Chen  2
Affiliations

Poly(3,4-ethylenedioxythiophene)/Te/Single-Walled Carbon Nanotube Composites with High Thermoelectric Performance Promoted by Electropolymerization

Sixing Yin et al. ACS Appl Mater Interfaces. .

Abstract

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.

Keywords: Te; electropolymerization; poly(3,4-ethylenedioxythiophene); single-walled carbon nanotubes; thermoelectrics.

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