Premium
Spontaneous Mirror‐Symmetry Breaking in Isotropic Liquid Phases of Photoisomerizable Achiral Molecules
Author(s) -
Alaasar Mohamed,
Prehm Marko,
Cao Yu,
Liu Feng,
Tschierske Carsten
Publication year - 2016
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201508097
Subject(s) - mesophase , chirality (physics) , azobenzene , molecule , isotropy , chemical physics , dephasing , materials science , crystallography , phase (matter) , symmetry breaking , chiral symmetry breaking , chemistry , organic chemistry , optics , condensed matter physics , physics , quantum mechanics , nambu–jona lasinio model
Spontaneous mirror‐symmetry breaking is of fundamental importance in science as it contributes to the development of chiral superstructures and new materials and has a major impact on the discussion around the emergence of uniform chirality in biological systems. Herein we report chirality synchronization, leading to spontaneous chiral conglomerate formation in isotropic liquids of achiral and photoisomerizable azobenzene‐based rod‐like molecules. The position of fluorine substituents at the aromatic core is found to have a significant effect on the stability and the temperature range of these chiral liquids. Moreover, these liquid conglomerates occur in a new phase sequence adjacent to a 3D tetragonal mesophase.