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Lecture Peter Voehringer

Roster

WhenWhere
24 April 2008 FWN-Building 5118.-156, Nijenborgh 4, 9747 AG, Groningen
Speaker: Prof. Peter Voehringer
Affiliation: Institut fuer Physikalische und Theoretische Chemie, Rheinische Friedrich-Wilhelms-Universitaet, Bonn
Title: Vibrational dynamics in hydrogen-bonded systems
Date: Thu Apr 24, 2008
Start: 14.00
Location: FWN-Building 5118.-156
Host: Paul van Loosdrecht
Telephone: +31 50 363 8149

Abstract

Femtosecond mid-infrared spectroscopy is used to explore the dynamics of vibrational energy relaxation (VER) in hydrogen-bonded systems. In such systems, the vibrational frequencies of intramolecular modes that are directly linked to a hydrogen bond are exquisite reporters of the local instantaneous hydrogen-bond geometry. We will present results on VER of HOD in liquid-to-supercritical D2O and of NH2D in liquid-to-supercritical NH3 following an initial femtosecond mid-infrared OH or ND-stretching vibrational excitation.

We furthermore discuss results on chemically synthesized extended hydrogen-bonded wires as well as on supramolecular hydrogen-bonded complexes.

Last modified:22 October 2012 2.30 p.m.