Scientific direction Development of key enabling technologies
Transfer of knowledge to industry

PhD : selection by topics

Technological challenges >> Radiation-matter interactions
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Synthesis and photophysical characterization of new cyclophane molecules

Département Métrologie Instrumentation et Information (LIST)

Laboratoire Capteurs et Architectures Electroniques

01-09-2021

SL-DRT-21-0991

guillaume.bertrand@cea.fr

During our recent developments in the field of radiation detection for nuclear instrumentation, we showed a benefic effect of cyclophane doping in plastic scintillators for neutron/gamma discrimination. The goal of this thesis is to perform a systematic study, both theoretical and experimental; of this phenomenon by synthesizing a library of polyaromatic cyclophane molecules. These molecules are for most of them new and will form the ground for the future theoretical and applicative exploration. Hence, a strong background in organic chemistry is required for this PhD. The other ambition of this thesis is to build a theoretical framework for the numerous photophysical processes that can occur in cyclophane molecules, with a very peculiar structure. This work will be based on a collaboration between three laboratories: CEA Saclay, for the nuclear detection application (DRT/LCAE); ENS Paris-Saclay, for photophysics research (PPSM); and Université de Versailles-Saint-Quentin, for organic chemistry (ILV/SORG).

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