fig6

Figure 6. Optical photographs of PEDOT:PSS/SWCNT-IL composite film with 60 wt.% SWCNTs after TE test at (A) room temperature, (B) 393 K and (C) 470 K. PEDOT:PSS/SWCNT: Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)/single-walled carbon nanotube; IL: ionic liquid; TE: thermoelectric.