Synthèse organique et auto-assemblage de métallo-polymères conjugués à faible gap pour la préparation de nouveaux matériaux organiques

Abstract : This work is focused on the development of original low band gap metallo-polymers to generate potential candidates for solar cell devices. In order to decrease the band gap value of the metallo-polymers, the first part of this work explores the insertion of one or two charge transfer complexes (CTC) in the ligand structure, using diketopyrrolopyrrole (DPP) as acceptor and thiophene as donor in order to decrease the band gap. The second part of this work is interested in the improvement of charge carrier mobility. The development of strategies to promote chains self-organization in the material with the introduction of an organizing group on the ligand are studied in order to generate a π-type weak interactions network or hydrogen bonds. The targeted metallo-polymers are obtained using a dehydrohalogenation reaction between a dialkyne ligand and a platinium (II) complex. Electronic, optic and physic properties characterization of these original compounds confirm the interest for using them in organic solar cell devices.
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Melodie Nos. Synthèse organique et auto-assemblage de métallo-polymères conjugués à faible gap pour la préparation de nouveaux matériaux organiques. Chimie organique. Normandie Université, 2018. Français. ⟨NNT : 2018NORMC259⟩. ⟨tel-02141256⟩

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