SubsidieMeestersMultidimensional interferometric photoelectron spectroscopy with extreme ultraviolet photons
This project aims to establish ultrafast multidimensional extreme ultraviolet photoelectron spectroscopy to map and analyze photochemical reactions at the quantum level with high resolution.
Projectdetails
Introduction
Photochemical reactions are the central driving force in nature and in sustainable technologies. Understanding photochemical reactions on the quantum level is thus a primary goal in science. However, this task remains a major experimental and theoretical challenge even on the single-molecule level due to the involved ultrafast time scales, predominantly nonradiative processes, and strongly coupled degrees of freedom.
Need for New Methods
Methods are needed that provide a gap-less view on the molecular mechanisms with the necessary sensitivity and selectivity to uncover and disentangle the participating reaction pathways.
Project Overview
In this project, we will for the first time establish ultrafast multidimensional extreme ultraviolet (XUV) photoelectron spectroscopy to solve this problem. This method is capable of:
- Mapping photochemical processes with unprecedented spectro-temporal resolution along the entire reaction coordinate.
- Unraveling otherwise degenerate pathways in multidimensional correlation maps.
This becomes possible with the unique combination of concepts from coherent multidimensional spectroscopy with femto to attosecond XUV light sources and photoelectron spectroscopy.
Investigated Systems
As spectroscopic probes, well-controlled model systems will be investigated, ranging from:
- Isolated, cold molecules
- Molecular complexes
- Individual species embedded in tailored nano-cluster environments
Project Goals
The proposed project will:
a. Establish laboratory-based high-resolution XUV photoelectron spectroscopy as a widely accessible alternative to experiments at synchrotron and free-electron-laser facilities.
b. Introduce the concept of coherent multidimensional photoelectron spectroscopy.
c. Develop new theoretical analysis methods of transient multidimensional photoelectron data.
d. Resolve the details of fundamental intra and intermolecular photochemical processes including elusive non-adiabatic and quantum coherence mechanisms.
e. Elucidate the role of tailored environments in molecular dynamics.
Financiële details & Tijdlijn
Financiële details
| Subsidiebedrag | € 1.577.500 |
| Totale projectbegroting | € 1.577.500 |
Tijdlijn
| Startdatum | 1-8-2023 |
| Einddatum | 31-7-2028 |
| Subsidiejaar | 2023 |
Partners & Locaties
Projectpartners
- ALBERT-LUDWIGS-UNIVERSITAET FREIBURGpenvoerder
Land(en)
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