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Published on: December 27, 2018
All-optical orientation of photoisomerizable octupolar zinc(II) complexes in polymer films
Lydie Viau1, Sébastien Bidault, Olivier Maury
1Organométalliques et Catalyse, UMR 6509, CNRS-Université de Rennes 1, Institut de Chimie de Rennes, Campus de Beaulieu, 35042 Rennes, France.
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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