title: Effects of photoinitiator on electro-optical properties of polymerization-induced phase separation blue-phase liquid crystals.
abstract: We have reported polymer-dispersed blue-phase (PDBP) liquid-crystal films via polymerization-induced phase separation. PDBP films are prepared by photochemical polymerization of curable crosslinking agent, monomer and blue-phase liquid crystal under an ultraviolet (UV) light. The influences of photoinitiator and weight ratio between monomer/crosslinking agent and blue phase on the electro-optical properties of PDBP liquid-crystal samples are investigated. The electro-optical (E-O) properties of PDBP films are determined in the top-down electro-optical cell. PDBP liquid-crystal films show good E-O properties with high contrast ratio and fast response time.
authors.affiliation: Engineering Faculty, Manisa Celal Bayar University, Manisa, Muradiye, Turkey. emine.kemiklioglu@cbu.edu.tr.
authors.forename: Emine
authors.initials: E
authors.lastname: Kemiklioglu
authors.affiliation: Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, OH, USA.
authors.forename: Liang-Chy
authors.initials: LC
authors.lastname: Chien
keywords: Soft Matter: Liquid crystals