Ambipolar discotic liquid crystals built around platinum diimine-dithiolene cores

Abstract : Platinum diimine dithiolene complexes bearing mesogenic groups on one or both ligands have been prepared through an original ligand metathesis reaction to introduce the dithiolene ligand. The neutral diimine ligands, the intermediate platinum dichloride diimine complexes and the target compounds were characterized by a combination of electronic (electrochemistry, absorption and emission spectroscopy, DFT calculations) and structural (SAXS, DSC) tools. Several novel liquid crystalline platinum diimine-dithiolene were identified over a large temperature range, furthermore endowed with ambipolar properties, associated with the high reversibility of both oxidation and reduction processes.
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Franck Camerel, Corinne Lagrost, Marc Fourmigué, Grégory Albert, Frédéric Barrière, et al.. Ambipolar discotic liquid crystals built around platinum diimine-dithiolene cores. Chemistry - A European Journal, Wiley-VCH Verlag, 2019, 25 (22), pp.5719-5732. ⟨10.1002/chem.201806304⟩. ⟨hal-02015935⟩

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