Axial chiral circularly polarized light-emitting liquid crystal compound as well as preparation method and application thereof

The invention belongs to the field of chiral light-emitting liquid crystals, and particularly discloses an axial chiral circularly polarized light-emitting liquid crystal compound as well as a preparation method and application thereof. The axially chiral circularly polarized light-emitting liquid crystal compound has the following chemical structural formula: # imgabs0 # or # imgabs1 # R1 is selected from substituted or non-substituted alkyl, and R2 is selected from one of hydrogen and substituted or non-substituted alkyl. According to the invention, a flexible chiral group alkylene cyclohexane is introduced into a liquid crystal system for the first time, so that a molecule has chirality and liquid crystal property at the same time, and is combined with an aggregation-induced emission group cyano diphenyl ethylene to obtain a novel chiral 1-(4-cyano stilbene phenyl)-4-alkylene cyclohexane skeleton; therefore, the luminescent material still has luminescent property in an aggregation state (crystalline state