Thermoelectric Performance of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate)
JIANG Feng-Xing1,2, XU Jing-Kun1, LU Bao-Yang1, XIE Yu2, HUANG Rong-Jin3, LI Lai-Feng3
1Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013 2Department of Material Chemistry, Nanchang Hangkong University, Nanchang 3300633Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080
Thermoelectric Performance of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate)
1Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013 2Department of Material Chemistry, Nanchang Hangkong University, Nanchang 3300633Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080
摘要Thermoelectric (TE) performances are systematically investigated for the pellets of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) with different organic additives and heating process as organic TE materials. The electrical conductivity, Seebeck coefficient and thermal conductivity versus temperature are determined, respectively. It is found that there is no distinct change for the Seebeck coefficient among each sample with the additions of dimethyl sulfoxide and ethylene glycol. The thermal conductivity measured in a wide range of temperature indicates that the PEDOT:PSS pellet have an extremely low value. The highest figure of merit (ZT= 1.75×10-3) is observed at 270K among the PEDOT:PSS pellets.
Abstract：Thermoelectric (TE) performances are systematically investigated for the pellets of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) with different organic additives and heating process as organic TE materials. The electrical conductivity, Seebeck coefficient and thermal conductivity versus temperature are determined, respectively. It is found that there is no distinct change for the Seebeck coefficient among each sample with the additions of dimethyl sulfoxide and ethylene glycol. The thermal conductivity measured in a wide range of temperature indicates that the PEDOT:PSS pellet have an extremely low value. The highest figure of merit (ZT= 1.75×10-3) is observed at 270K among the PEDOT:PSS pellets.
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2008, Vol. 25 
