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Preparation of Poly(3,4‐ethylenedioxythiophene) in a Chiral Nematic Liquid‐Crystal Field
Author(s) -
Goto Hiromasa,
Akagi Kazuo
Publication year - 2004
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.200400184
Subject(s) - liquid crystal , materials science , thermotropic crystal , polarizer , pedot:pss , texture (cosmology) , conductive polymer , monomer , polymer , phase (matter) , optics , birefringence , composite material , optoelectronics , organic chemistry , liquid crystalline , chemistry , physics , image (mathematics) , artificial intelligence , computer science
Summary: The 3,4‐ethylenedioxythiophene (EDOT) monomer in a chiral nematic liquid‐crystal electrolyte was polymerized by application of a voltage to yield a thin film. Circular dichroism measurements indicated a Cotton effect for the film. Optical texture suggests that the polymer shows a finger‐print texture and a spiral texture similar to that of the chiral nematic phase. This simple method provides a new technique for preparing chiral conducting films in a thermotropic chiral liquid‐crystal field.Optical micrograph of ( R )‐PEDOT* (no polarizer).
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