Electronic conducting Materials

P-conjugated molecules and materials range from small molecules to polymers and nanocarbons (carbon nanotubes, graphene). They are mainly used for their electron or hole conduction properties and for their redox properties in applications mainly linked to energy storage and conversion. In particular, they have the advantage of providing electronic conductivity that can sometimes reach several thousand S/cm. Their semiconducting form is of interest to us in the field of organic electronics, particularly for photovoltaics or the development of photostimulable surfaces, while their conducting form is used to make electronic conducting electrodes, which can be transparent and stretchable, depending on the application. We are also interested in their electrochemically switchable redox properties, which enable the development of electroactive electrodes in energy storage devices (supercapacitors) or electrostimulable devices (actuators, electrochromic devices), particularly in association with ionic membranes developed in parallel.

Ionic and electronic conductor materials have the enormous disadvantage of having poor mechanical properties, particularly when flexibility and/or stretchability are desired. For this reason, we frequently combine them with structural materials to obtain the desired mechanical, electronic, electrochemical or even electromechanical properties.

Keywords: π-conjugated molecules, π-conjugated polymers and electronically conductive polymers, carbon nanotubes, graphene, MOF, COF, chromophores, photoinitiators, ...