期刊
APPLIED PHYSICS LETTERS
卷 101, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4761954
关键词
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资金
- Air Force Office of Scientific Research (AFOSR) [FA9550-11-1-0082]
- NSF [ECCS-0644945]
- Center for Nanophase Materials Sciences [CNMS2012-106, CNMS2012-107]
- Division of Scientific User Facilities, U.S. Department of Energy
- High Temperature Materials Laboratory user program at ORNL
- Energy Efficiency en renewable Energy program at DOE
Conductive polymers are of particular interest for thermoelectric applications due to their low thermal conductivity and relatively high electrical conductivity. In this study, commercially available conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) was used in a hybrid metal/polymer/metal thin film design in order to achieve a high Seebeck coefficient with the value of 252 mu V/k on a relatively low temperature scale. Polymer film thickness was varied in order to investigate its influence on the Seebeck effect. The high Seebeck coefficient indicates that the metal/polymer/metal design can develop a large entropy difference in internal energy of charge carriers between high and low-temperature metal electrodes to develop electrical potential due to charge transport in conducting polymer film through metal/polymer interface. Therefore, the metal/polymer/metal structure presents a new design to combine inorganic metals and organic polymers in thin-film form to develop Seebeck devices. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4761954]
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