Abstract
The crystallization behavior of amphiphilic ionic imidazolium liquid crystals has been studied with in situ small- and wide-angle X-ray scattering. We found that below the melting point four crystal phases exist. Their relative stability is checked by investigating the mutual transitions and using a heating scan. The following sequence is observed: triclinic extended bilayer > triclinic double bilayer > perpendicular double bilayer. A transient phase with a low density, which may not be stable at any temperature, is observed to serve as the nucleation mechanism for all three phases. The large size of the transient crystals is found to frustrate the layer thickening, which occurs from the double bilayer to extended bilayer transition. The competition between the thermodynamic driving force and the imposed constraints leads to the formation of wrinkles. The influence of water on the crystallization behavior is demonstrated to be indirect, which reduces the size of the crystals.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
