Synthesis and Luminescence Properties of Hybrid Systems Based on Liquid Crystal Terbium(III) and Europium(III) Complexes

Hybrid liquid crystal systems with different ratios of the components have been prepared on the basis of 5,5'-di(heptadecyl)-2,2'-bipyridine tris(beta-diketonate) lanthanum(III), europium(III), and terbium(III) complexes, and their liquid crystalline and luminescence properties have been studied. A relation has been found between the luminescence intensity and concentration of the components, and a probable mechanism of photoexcitation in the hybrid systems has been proposed.