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Accueil du site > Séminaires > Année en cours > Eric Drockenmuller

Poly(1,2,3-triazolium ionic liquid)s : new generation of functional ion conducting materials…

Eric Drockenmuller

à 11h, en salle C. BROT

Poly(ionic liquid)s (PILs) are unique polyelectrolytes with cationic and anionic groups included in the repeat unit. They show potential in applications such as dye sensitized solar cells, fuel cells, electrochemical storage, separation membranes or catalysis. Since the striking development of the copper-catalyzed azide-alkyne cycloaddition (CuAAC) modular ligation, a large variety of materials containing 1,2,3-triazole groups have been reported. We have recently pioneered the synthesis of 1,2,3-triazolium-based PILs (TPILs, Figure 1) by straightforward alkylation of 1,2,3-triazole groups and further anion metathesis. TPILs not only demonstrate ionic conduction similar to that of PILs developed so far, but their synthesis also benefits from the versatile, robust and orthogonal nature of CuAAC. We were thus able to demonstrate the potential of 1,2,3-triazolium chemistry to tackle new synthetic challenges using unexplored approaches competent to broaden the current structural variety and functionality of polymer solid electrolytes.