Hydrogen bond directed formation of liquid-crystalline merocyanine dye assemblies.
Combined interaction of triple hydrogen bonding, dipolar pi-pi aggregation and micro-segregation in a melamine-barbituric acid dye assembly leads to a columnar mesophase which could be characterized by optical polarising microscopy, differential scanning calorimetry and X-ray diffraction.
Würthner
F
F
Abteilung Organische Chemie II, Universität Ulm, Albert-Einstein-Alle 11, 89081 Ulm, Germany. frank.wuerthner@chemie.uni-ulm.de
Yao
S
S
Heise
B
B
Tschierske
C
C