Electroactive Ionic Liquids And Surface-Modified Substrates Containing Them

An electro-active polymeric ionic liquid comprising imidazolium-based repeated units, each of said imidazolium-based repeated units comprising at least:

• an imidazolium moiety associated with a negatively charged counter-ion,
• a metallocene oxidizable group and/or a reducible group,
• the reducible group being selected from:
• an anthraquinone derivative of formula (IV):
• with R1 representing a hydrogen atom or a C1-C6-alkyl group,
• a viologen group of formula (V):
• with R′2 representing a hydrogen atom, a C1-C8 alkyl group or a C2-C6 alkenyl group,
• X and X′ identical or different, and each independently representing a halogen group, or
• a metallocene reducible group.