Light and Molecules - LUMO
Contact : Michel Mons
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The research group "LUmière - MOlécules - LUMO" gather under the same entity within LIDYL, the team "Reaction Dynamics-DyR" and the team "BioMolecular structures - SBM".

The group LUMO, standing for “Lights and Molecules” (“Lumières et Molécules” in French), is active in the field of physical chemistry in the gas phase. Our research is focused on the interaction of complex molecular systems with light, isolated or in aggregates, with the general scientific objective of documenting, by various laser spectroscopies and by theoretical modeling, the interactions encountered in these systems, both in their ground and excited electronic states. One of the challenges is to resolve the conformational, tautomeric, etc. complexity of these objects in order to document the particular role of structure on their dynamic properties, in particular their electronic dynamics. This program is carried out thanks to a strong experience-theory synergy, made possible by the simultaneous presence of these two skills within the group, made up of both chemists and physicists, experimentalists and theoreticians.

Most of the activity, pictured through projects selected by the french funding agency ANR, is organized in three main topics, linked to: the structure and electronic dynamics of flexible systems and biomolecules (ESBODYR, ION PAIRS, TUNIFOLDS projects), the development and use of experiences and innovative sources (GOUTTELIUM device, ION PAIRS and VAPOBIO projects) as well as a valuation / application activity within the framework of an NRBC topical action.






The "LUMO" team is based on the CEA Paris-Saclay campus, buildings 522 and 462. It has four gas phase physico-chemistry set-ups, equipped with innovative sources (laser desorption, dissolution in supercritical CO2, hosting in helium droplets), irradiated by the light of its own laser sources (ps, ns or continuous) in the UV, visible, mid- and far-IR. Finally, it maintains its own workstations (~ 4 nodes / 50 procs) and uses the national resources of “Intensive Computing” (TGIR GENCI & CCRT-CEA).

#3358 - Last update : 06/24 2021

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