Regensburg 2013 – scientific programme

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PV: Plenarvorträge

PV XVII

PV XVII: Plenary Talk

Thursday, March 14, 2013, 14:00–14:45, H15

Observing the Interactions of Ions with Solid-Liquid Interfaces using X-rays — •Paul Fenter — Argonne National Laboratory, Argonne, IL USA

The interaction of ions with charged solid-liquid interfaces is of interest to a broad array of scientific fields ranging from geochemistry (e.g., contaminant transport in the environment), electrochemistry (e.g., energy storage), and even the biological sciences (e.g., trans-membrane transport). Interfacial processes are ultimately controlled by the distribution of ions at these interfaces but this behavior is often obscured by the presence of the liquid phase itself. I will review recent work where we use direct X-ray based probes (e.g., x-ray reflectivity and resonant scattering) to observe the structures and interactions of ions through direct in-situ measurements. These results illustrate the critical role of ion solvation in understanding the properties of charged solid-liquid interfaces.