An Optically Active Polythiophene Exhibiting Electrochemically Driven Light‐Interference Modulation
Hiromasa Goto
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100% confidenceMES research in bacteria, materials. Abstract Optically active polythiophene (PT*) is successfully prepar...
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Abstract
Abstract Optically active polythiophene (PT*) is successfully prepared by electrochemical polymerization using a cholesteric liquid crystal (CLC) electrolyte solution. Polarizing optical microscopy observations of the polymer reveal a well‐resolved fingerprint texture similar to the optical texture of the CLC. Circular dichroism measurements indicate a Cotton effect. The PT* film produced by the asymmetric polymerization in CLC exhibits a variable diffraction function, electrochemically driven refractive index modulation, and electrochromism originating from the periodic dielectric structure, representing a form of structural electrochromism.
Keywords
Identifiers
- Journal
- Advanced Functional Materials
- Year
- 2009