Institut für Theoretische Physik
Start / Aktuell
August  2015
Seminarraum EG (0.77), Am Faßberg 17

Prof. Olga I. Vinogradova
Russian Academy of Sciences, Moscow, Russia and Moscow State University, Moscow, Russia

Superhydrophobic microfluidics

Superhydrophobic surfaces have opened a completely new field of investigation with both fundamental and practical perspectives. Research on these materials has mostly focused on their extreme non-wettability, which has large-scale implications in the context of self-cleaning and impact processes. However, the implications of superhydrophobicity for transport phenomena, which are especially important at micro- and nanoscales, remain largely unexplored. In my talk, I will discuss a current switch in focus from wetting to related areas such as the remarkable drag-reducing ability of superhydrophobic materials. In particular, I will show that superhydrophobic surfaces induce novel hydrodynamic properties such as giant effective slip, superfluidity, transverse hydrodynamic phenomena, and dramatically affect electrokinetic phenomena. I will also discuss strategies in the fabrications of superhydrophobic materials for relevant applications, including new types mixing and separation in microfluidic lab-on-a-chip devices.

Kontakt: Guido Schriever

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