Electrical properties of conductive Langmuir-Blodgett films comprised of head-to-tail poly (3-hexylthiophene)

Conductive Langmuir-Blodgett (LB) films were fabricated from mixed monolayers containing structurally homogeneous poly (3-hexylthiophene) and stearic acid in different molar ratios. The structure of these mixed LB films was probed by visible absorption and X-ray diffraction measurements. These regio...

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Bibliographic Details
Published in:Thin solid films 1996-09, Vol.284, p.636-639
Main Authors: Rikukawa, Masahiro, Nakagawa, Masaru, Ishida, Kyoko, Abe, Hiroshi, Sanui, Kohei, Ogata, Naoya
Format: Article
Language:English
Subjects:
Conductivity
Doping
Head-to-tail couplings
Poly (3-hexylthiophene)
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Summary:Conductive Langmuir-Blodgett (LB) films were fabricated from mixed monolayers containing structurally homogeneous poly (3-hexylthiophene) and stearic acid in different molar ratios. The structure of these mixed LB films was probed by visible absorption and X-ray diffraction measurements. These regioregular polymers containing almost 100% head-to-tail couplings showed the self-organized properties and affected the molecular structure in the LB films. Conductivities of the LB films doped with strong oxidizing agents were dramatically improved due to their well-defined polymer structure and were in the range of 10 2-10 1 S cm −1.
ISSN:0040-6090
1879-2731
DOI:10.1016/S0040-6090(95)08409-6