Journal
RSC ADVANCES
Volume 5, Issue 15, Pages 11385-11391Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra15681a
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Funding
- KRICT Core Project [KK-1407-B6]
- R&D Convergence Program - National Research Council of Science Technology
- Center for Advanced Soft-Electronics - Ministry of Science, ICT and Future Planning as Global Frontier Project [2011-0031628]
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The influence of film thickness and crystallinity of poly(3-hexylthiophene) (P3HT) on the thermoelectric properties of doped P3HT films was systematically investigated. To obtain excellent thermoelectric properties, highly crystalline P3HT films were prepared by simple wire- bar- coating. The P3HT films doped with a ferric chloride exhibited power factors of up to 35.0 mu W m(-1) K-2 at room temperature. This study suggests that it could be possible to optimize the thermoelectric properties of the conjugated polymer films by controlling the film thickness and polymer structure. Further, the processing method and conjugated polymers selected for thermoelectric applications should be considered carefully because they determine the final characteristics of the films produced.
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