Overview of project C04

Time-Resolved 2D-IR-Spectroscopy at Adsorbate Layers

Hasselbrink

The temporal evolution in selectively vibrationally excited adsorbat monolayers is studied using time and frequency resolved pump-probe-spectroscopy. This allows us to directly observe the chain of modes and their branching which are populated with evolving time. This approach provides detailed insights into the coupling of vibrational modes. Studies with alkyland polyen-molecules of different lengths allow us to observe the propagation of the excess energy along the chains. Langmuir-Blodget films of different packing density detail the influence of intermolecular interactions on the vibrational dynamics.C4

Publications

2019

M. Linke, M. Hille, M. Lackner, L. Schumacher, S. Schlücker and E. Hasselbrink
Plasmonic Effects of Au Nanoparticles on the Vibrational Sum Frequency Spectrum of 4-Nitrothiophenol
J. Phys. Chem. C 123, 24234 (2019)
DOI: 10.1021/acs.jpcc.9b05207
 

2018

Michael Lackner, Daniel Lucaßen and Eckart Hasselbrink
Bimodal Velocity Distributions in the Photodesorption of CO from Si(100) Suggest V-to-T Energy Transfer
Chem. Phys. Lett. 713, 277 (2018)
DOI: 10.1016/j.cplett.2018.10.048