Synthèse et étude de systèmes coeur/coquille à base de nanotubes de carbone

Abstract : The single-wall carbon nanotubes are currently studied and developed because of their unique physical properties. In particular, single-photon emission at room temperature has been recently reported. In order to integrate carbon nanotubes in devices, efforts have to be made on the material side. Nanotubes being only made of surface atoms their electronic and optical properties are strongly influenced by their local environment. For instance, blinking and spectral diffusion processes are observed in low temperature experiments. Moreover, nanotubes are fragile objects that are degraded by standard lithography processes needed to build real photonics devices. Our strategy is to synthesize core/shell nanostructures: the nanotube is the active core, while a polymer acts as a protective shell. Synthesis and characterization of these new objects will be described as well as their study as candidates for devices. Microphotoluminescence experiments at low temperature will permit to characterize blinking and spectral diffusion phenomena.
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Lucile Orcin Chaix. Synthèse et étude de systèmes coeur/coquille à base de nanotubes de carbone. Physique [physics]. Université Paris-Saclay, 2019. Français. ⟨NNT : 2019SACLN026⟩. ⟨tel-02276174⟩

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