Dresden 2026 – scientific programme

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O: Fachverband Oberflächenphysik

O 87: Solid-liquid interfaces: Structure, spectroscopy

O 87.6: Talk

Thursday, March 12, 2026, 16:15–16:30, TRE/PHYS

Accessing interfaces of ionic liquids in vacuum — •Florian Maier and Hans-Peter Steinrück — Lehrstuhl Physikalische Chemie II, Friedrich-Alexander-Universität Erlangen-Nürnberg

About one decade ago, the perspective "Surface science goes liquid" described possibilities of investigating surfaces and interfaces of vacuum-stable liquids with surface science tools under ultrahigh vacuum (UHV).[1]

Since then, new experimental concepts and setups have been developed considering the special requirements for handling ionic liquids (ILs) in vacuum in order to push the boundaries of surface science experiments further.

In this presentation, some of our experimental developments including key showcases will be presented demonstrating at which level molecular properties of IL interfaces can be accessed under ultra-clean and well-defined UHV conditions.

References [1] H.-P. Steinrück, 2010, Surf. Sci. 604, 481-484 / DOI: 10.1016/j.susc.2009.12.033.

Keywords: ionic liquids; angle-resolved XPS; surface tension; supersonic molecular beam