CE29 - Chimie analytique, chimie théorique et modélisation

A new look at transition metal carbonyl dynamics with femtosecond spectroscopy in the extreme ultraviolet – CARNYX

Submission summary

CARNYX aims at establishing table-top femtosecond extreme ultraviolet photoelectron spectroscopy as a new tool for ultrafast inorganic chemistry. We will develop an innovative table-top experimental setup with femtosecond temporal resolution and atomic sensitivity. The novel methodology that we will etablish will take advantage of the complementarity between valence and inner-shell photoionization to completely characterize the real-time dynamics of photoexcited transition metal carbonyls. These compounds possess a rich photochemistry, with applications in e.g. photocatalysis, synthesis, and photodynamic therapy. This class of molecules represents a great test bed for a systematic study of the fundamental processes at play in the early photodynamics of inorganic molecules. In particular, we will target systems which exhibit competing photochemical pathways (e.g. dissociation of an M-L, M-M or M-L’ bond) and determine the different mechanisms as a function of the excitation wavelength. The interplay between spin-orbit and vibronic couplings will also be investigated by a systematic study of complexes differing by one ligand. Our experiments will provide a complete picture of the electronic, structural and spin rearrangements after photoexcitation of transition metal carbonyls at the femtosecond timescale.

Project coordination

Lou BARREAU (Institut des Sciences Moléculaires d'Orsay)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


ISMO Institut des Sciences Moléculaires d'Orsay

Help of the ANR 325,485 euros
Beginning and duration of the scientific project: December 2023 - 48 Months

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