Dresden 2011 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 6: Charged Soft Matter

CPP 6.2: Vortrag

Montag, 14. März 2011, 14:15–14:30, ZEU 160

Vapour pressure of ionic liquids — •Markus Bier — Max-Planck-Institut f. Metallforschung, Stuttgart, Germany

The probably most exciting property of room temperature ionic liquids (RTILs), i.e. molten salts with melting temperatures below 100 C, is their extraordinary low vapour pressure at the triple point. It is shown how this feature can be understood on the basis of a simple thermodynamic argument. It will become clear why the tiny triple point pressures are a common feature of RTILs and it is argued that RTILs are the only class of liquids which are expected to exhibit such low vapour pressures.

[1] M. Bier and S. Dietrich, Mol. Phys. 108, 211 (2010).

[2] M. Bier and S. Dietrich, Mol. Phys. 108, 1413 (2010).

[3] M. Bier and S. Dietrich, arXiv:1006.2090v1.