Séminaire de Markus Valtiner (Vienna University of Technology)
How ion-ion and ion-wall interactions modulate charge regulation and ion layering in ionic liquid filled nanopores
le vendredi 13 mars 2020 à 11h
en salle des conseils de l’UFR de Chimie (42.43.101)
Résumé
Ion mobility and ionic liquid structuring within nano pores is central to all aspects of technologic exploitation of ionic liquids ; from lubrication to electrochemical device performance. Yet, the direct observation of ion mobility and structuring in a sub-nanometer confinement is experimentally challenging and, so far, solely accessible to molecular simulations and with lower resolution to force probe experiments. Here, I will discuss new advances with these techniques with the potential to resolved charge regulation in ionic liquid solutions in an electrochemically modulated nano-slit. I will discuss charging rates in response to a surface charge modulation as well as charge dependent ion layering in nano pores. Both recent experimental advances and exciting new results will be discussed, with a strong emphasis on how we can bridge theory and experiment in terms of the multi scale nature of the problem
