The Influence of Molecular Configuration on the Thermoelectrical Properties of Poly(3-hexylthiophene)
作者： Sanyin Qu , Qin Yao , Wei Shi , Liming Wang , Lidong Chen
DOI: 10.1007/S11664-015-4045-5
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摘要: Poly(3-hexylthiophene) (P3HT) films were prepared by using raw P3HT powders with different molecular configurations through solution processing and doped ferric salt of triflimide anions [Fe(TFSI)3], their thermoelectric (TE) properties studied. It was found that highly regular configuration formed ordered chain arrangements in film (denoted rr-P3HT film), while irregular random ra-P3HT film). The arrangement not only improved the charge carrier mobility but also contributed to produce more carriers, thereby remarkably improving electrical conductivity. conductivity up 96.1 S/cm, than two orders magnitude higher film. Consequently, power factor reached 17.10 μW/(m K2), about one order among best values for pure TE materials. This study suggests contributes form arrangements, resulting properties.
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