Abstract
A stable mixed monolayer, composed of a soluble conducting polymer, poly(3- hexylthiophene) (PHT), and a topochemically polymerizable amphiphilic diacetylene derivative, pentacosa-10, 12-diynoic acid (DA), was formed on an aqueous subphase. The structure of the deposited Langmuir-Blodgett (LB) films has been investigated by X-ray diffraction and second harmonic generation. It has been shown that the LB films have a well-defined layered structure, which is considered to contain partly a double-layered structure of PHT and DA. The PHT chain is well oriented in the LB films, so that its total dipole moment is perpendicular to the substrate when the ratio of PHT repeating unit to DA is less than unity.
Published Version
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