Journal
JOURNAL OF ELECTRONIC MATERIALS
Volume 39, Issue 9, Pages 1589-1592Publisher
SPRINGER
DOI: 10.1007/s11664-010-1271-8
Keywords
Thermoelectric generators; organic semiconductors; PEDOT:PSS
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The thermoelectric performance of thin films fabricated from two commercially available, highly conductive polymer formulations based on poly (3,4-ethylendioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) was investigated. In order to enhance the electrical conductivity, the high-boiling solvent dimethyl sulfoxide (DMSO) was added. By changing the content of DMSO the electrical conductivity was increased by a factor of two without changing the Seebeck coefficient or the thermal conductivity. We achieved ZT = 9.2 x 10(-3) at room temperature upon the addition of 5 vol.% DMSO to the PEDOT:PSS formulation.
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