AVS 60th International Symposium and Exhibition | |
Ions at Aqueous Interfaces Focus Topic | Monday Sessions |
Session IA+AI+BI+IS+NL+SS-MoA |
Session: | Ions at Aqueous Interfaces |
Presenter: | R. Netz, FU Berlin, Germany |
Correspondent: | Click to Email |
The molecular layer of water molecules on surfaces, the so-called hydration layer, is important for a whole number of properties of biological as well as technological surfaces. Insight can be gained from all-atomistic simulations in conjunction with appropriate continuum modeling.
- Dielectric properties of interfacial water layers are important for the design of high-power capacitors, and can be resolved using simulations.
- At the same time, ions accumulate into a highly condensed interfacial layer, leading to the well-known saturation of the electro-osmotic mobility at large surface charge density regardless of the hydrodynamic boundary conditions. The experimentally well-established apparent excess surface conductivity follows for all hydrodynamic boundary conditions without additional assumptions.
- Hydration water at biological membranes absorbs electromagnetic radiation specifically in the 0.1-10 GHz range that is used for radio communication. Possible health issues are discussed.