delta-[Ru(acac)(2)L] (L = a mesogenic derivative of bpy) as a novel chiral dopant for nematic liquid crystals with large helical twisting power |
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| Authors: | Hoshino Naomi Matsuoka Yuki Okamoto Kentaro Yamagishi Akihiko |
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| Institution: | Divisions of Chemistry and of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan. |
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| Abstract: | The helical twisting power of a chiral ruthenium complex Delta-Ru(acac)2L], in which L (mesogenic ligand) and acac denote 5,5'-(4-octylphenyloxycarbonyl)-2,2'-bipyridyl and acetylacetonate, respectively, was determined to be betaM = -71 and -1.8 x 102 mum-1 in room-temperature nematics ZLI-1132 and MBBA, respectively. |
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