Abstract
The syntheses of Eu3+‐ and Nd3+‐cholesterol derivative complexes are described. All complexes have been characterized by 1H NMR, 13C{1H} NMR, IR spectroscopies and elemental analysis. They have been incorporated in various amounts into chiral LC mixtures. The influence of the complex's shape, the alkyl chain length and the dopant concentration on the phase transition temperatures of these rare earth‐doped liquid crystals was investigated. Lanthanide dopants with calamitic cholesteryl ester ligands were mixed in the chiral LC at a level of 6 mol % without altering the liquid crystal texture.
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