期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 5, 期 11, 页码 9639-9644出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ee23006b
关键词
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资金
- National Natural Science Foundation of China
- Chinese Ministry of Science and Technology
- Chinese Academy of Sciences
Due to their low thermal conductivity, non-toxicity and low cost, conductive polymer materials are potential candidates for thermoelectric applications. Here, a detailed investigation into the thermoelectric properties of P3HT films is reported. A thermoelectric power factor over 20 mu Wm(-1) K-2 at room temperature was obtained by employing a ferric salt of triflimide (TFSI-) anions as a dopant. Flexible films of P3HT-TFSI were characterized by X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD) and scanning electron microscopy (SEM), along with temperature-variant electrical measurements. Given the promising results obtained from ordinary P3HT films by a simple doping treatment, this work suggests the significance of the appropriate choice of dopants and/or counterions, as well as the polymers themselves.
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