Abstract
Doping and consolidation processing of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) were investigated in an effort to improve the thermoelectric properties of bulk polymer/inorganic composites. Ethylene Glycol doped PEDOT:PSS polymers were consolidated employing spark plasma sintering and hot pressing in order to investigate the effects of the different processes on their transport properties. Spark plasma sintering processing results in superior thermoelectric properties, in part due to less entanglements of the polymer chains. PEDOT:PSS/Bi0.5Sb1.5Te3 bulk composites were prepared and their thermoelectric properties investigated using the optimized processing conditions. The thermoelectric properties of these composites are reported and compared with that of bulk PEDOT:PSS and Bi0.5Sb1.5Te3.
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