Synthesis of negative doped polythiophene via electrochemical polymerization

Key Points

• This research aims to synthesize negative doped polythiophene using electrochemical polymerization and explore its properties.
• Synthesis of polythiophene in cholesteric liquid crystal electrolyte solutions
• Use of α-tocopherol as a chiral inducer
• Deposition of polythiophene on the cathode
• Investigation of poly(3-hexylthiophene) for a p-n junction
• Polythiophene was successfully synthesized in a negative doped state
• The optical absorption switching properties were driven by a negative electric field
• Potential applications for electronic devices, such as p-n junctions, were identified