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Métallopolymères des éléments f : nouveaux matériaux hybrides semi-conducteurs phosphorescents pour les diodes électroluminescentes organiques

Abstract : This work deals with the synthesis and physico-chemical characterization of lanthanide-containing metallopolymers to use them as active components in electroluminescent diodes. The emission properties of trivalent lanthanides are particularly interesting in the case of our application. The conjugated chain polymer built up with charge-transport groups. These materials should provide all the properties (conduction and emission) to be used as active layer in PLEDs (Polymer Light-Emitting Diodes) which are devices made by solution deposition techniques. The PLEDs offer the advantage to have a simplified structure in comparison with OLEDs (Organic Light-Emitting Diodes) which are built by juxtaposition of layers constituted by small organic molecules.The syntheses of three series of conjugated polymers have been achieved. The polymerization reaction has been carried out by a Pd-catalyzed Suzuki-Miyaura coupling between fluorenes moieties and monomers bearing carbazole and/or benzimidazole groups acting as a coordinating site for the lanthanide ion. Several metallopolymers were also synthesized. The isolated compounds were characterized by NMR, elemental analyses, and GPC. Photophysical studies have been performed on all the polymers and metallopolymers. Finally, these compounds have been used for the design of electroluminescent devices.
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Submitted on : Tuesday, July 2, 2013 - 1:07:57 AM
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Alessandra Sergent. Métallopolymères des éléments f : nouveaux matériaux hybrides semi-conducteurs phosphorescents pour les diodes électroluminescentes organiques. Autre. Université Paris Sud - Paris XI, 2013. Français. ⟨NNT : 2013PA112008⟩. ⟨tel-00840219⟩

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