Y-shaped tricatenar azobenzenes – functional liquid crystals with synclinic–anticlinic transitions and spontaneous helix formation
Mohamed Alaasar, Silvio Poppe, Yu Cao, Changlong Chen, Feng Liu, Chenhui Zhu, Carsten Tschierske
Abstract
The photoisomerizable functional azobenzene unit is organized in synclinic hexatic, anticlinic smectic and bicontinuous cubic liquid crystalline phases as well as in achiral or mirror symmetry broken isotropic network liquids.
Topics & Concepts
AzobenzeneMaterials scienceLiquid crystalCrystallographyHelix (gastropod)Chirality (physics)SuperstructurePhotoisomerizationIsotropyOpticsOrganic chemistrySpontaneous symmetry breakingSymmetry breakingOptoelectronicsThermodynamicsChemistryPhysicsComposite materialPolymerCatalysisEcologyQuantum mechanicsNambu–Jona-Lasinio modelSnailBiologyIsomerizationLiquid Crystal Research AdvancementsPhotochromic and Fluorescence ChemistryMolecular spectroscopy and chirality