All-optical orientation of photoisomerizable octupolar zinc(II) complexes in polymer films |
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| Authors: | Viau Lydie Bidault Sébastien Maury Olivier Brasselet Sophie Ledoux Isabelle Zyss Joseph Ishow Eléna Nakatani Keitaro Le Bozec Hubert |
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| Institution: | Organométalliques et Catalyse, UMR 6509, CNRS-Université de Rennes 1, Institut de Chimie de Rennes, Campus de Beaulieu, 35042 Rennes, France. |
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| Abstract: | A new type of 4,4'-bis(styryl)-2,2'-bipyridine functionalized by a dialkylamino-azobenzene group has been prepared. This ligand has allowed the preparation of photoisomerizable octupolar tris(bipyridyl)zinc(II) complexes and the corresponding star-shaped polymer by atom transfer radical polymerization (ATRP) of methyl methacrylate (MMA). The photoisomerization properties of such new metallo-chromophores have been studied. The macroscopic molecular orientation of the corresponding doped and grafted NLO-polymer films is reported for the first time. |
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