Journal
THIN SOLID FILMS
Volume 566, Issue -, Pages 14-18Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2014.07.011
Keywords
Thermoelectric material; Polymer matrix composite; Electrical conductivity; Thermal conductivity; Seebeck coefficient; Power factor; Thermoelectric figure of merit
Categories
Funding
- Priority Research Center Program [2009-0093823]
- Pioneer Research Center Program through the National Research Foundation of Korea (NRF) - Korea Ministry of Science, ICT & Future Planning [2013008070]
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We herein report on the enhanced thermoelectric properties of poly(3,4-ethylenedioxythiophene): poly(4-styrenesulfonate) (PEDOT:PSS)/Ge composite films fabricated by drop-casting of a solution of Ge powder in PEDOT:PSS. The power factor of the fabricated PEDOT:PSS/Ge composite films with 29.6 wt.% Ge was 165 mu W m(-1)K(-2), and they exhibited an extremely low thermal conductivity. The maximum thermoelectric figure of merit was anticipated to be similar to 0.1 at room temperature for the PEDOT:PSS/Ge composite films with 29.6 wt.% Ge, suggesting that their heterostructure was effective in enhancing their thermoelectric efficiency. (C) 2014 Published by Elsevier B.V.
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