Triplet solvation dynamics in supercooled hydrogen bonding liquids in hard and soft confinements

Overview

Many liquids show a dramatic change in their molecular dynamics when subject to a confining environment. The effects of the confinement on a liquid range from a suppression of crystallization below a certain pore size to an upshift or downshift of the glass transition of supercooled liquids within the pores. However, it is very difficult to investigate surface, density and finite-size effects separately with classic spectroscopic techniques, which measure the spatially averaged dynamics in a macroscopic sample. With the method of triplet solvation dynamics it is possible to locally access the relaxation dynamics within a macroscopic sample.

Schematic of triplet solvation dynamics

Kontakt

Prof. Dr. Thomas Walther

Laser und Quantenoptik
Institut für Angewandte Physik
Fachbereich 05 - Physik
Technische Universität Darmstadt
Schlossgartenstr. 7
D-64289 Darmstadt

+49 6151 16-20831 (Sekretariat)

+49 6151 16-20834 (Fax)

Thomas.Walther@physik.tu-...

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