English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT

Released

Journal Article

High-resolution resonance-enhanced multiphoton photoelectron circular dichroism

MPS-Authors
/persons/resource/persons182890

Park,  G. B.
Department of Dynamics at Surfaces, MPI for Biophysical Chemistry, Max Planck Society;

/persons/resource/persons15751

Schäfer,  T.
Department of Dynamics at Surfaces, MPI for biophysical chemistry, Max Planck Society;

External Resource
No external resources are shared
Fulltext (public)
There are no public fulltexts stored in PuRe
Supplementary Material (public)
There is no public supplementary material available
Citation

Kastner, A., Koumarianou, G., Glodic, P., Samartzis, P. C., Ladda, N., Ranecky, S. T., et al. (2020). High-resolution resonance-enhanced multiphoton photoelectron circular dichroism. Physical Chemistry Chemical Physics, 22(14), 7404-7411. doi:10.1039/D0CP00470G.


Cite as: http://hdl.handle.net/21.11116/0000-0007-1C21-5
Abstract
Photoelectron circular dichroism (PECD) is a highly sensitive enantiospecific spectroscopy for studying chiral molecules in the gas phase using either single-photon ionization or multiphoton ionization. In the short pulse limit investigated with femtosecond lasers, resonance-enhanced multiphoton ionization (REMPI) is rather instantaneous and typically occurs simultaneously via more than one vibrational or electronic intermediate state due to limited frequency resolution. In contrast, vibrational resolution in the REMPI spectrum can be achieved using nanosecond lasers. In this work, we follow the high-resolution approach using a tunable narrow-band nanosecond laser to measure REMPI-PECD through distinct vibrational levels in the intermediate 3s and 3p Rydberg states of fenchone. We observe the PECD to be essentially independent of the vibrational level. This behaviour of the chiral sensitivity may pave the way for enantiomer specific molecular identification in multi-component mixtures: one can specifically excite a sharp, vibrationally resolved transition of a distinct molecule to distinguish different chiral species in mixtures.