Bicontinuous Gyroid Phase of aWater-Swollen Wedge-Shaped Amphiphile: Studies with In-Situ Grazing-Incidence X-ray Scattering and Atomic Force Microscopy

Авторы: Grafskaia Kseniia N., Akhkiamova Azaliia F., Vashurkin Dmitry V., Kotlyarskiy Denis S., Pontoni Diego, Anokhin Denis V., Zhu Xiaomin, Ivanov Dimitri A.
Журнал: Materials
Год издания: 2021
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
DOI: 10.3390/ma14112892
Аннотация: We report on formation of a bicontinuous double gyroid phase by a wedge-shaped amphiphilicmesogen, pyridinium 40-[3”,4”,5”-tris-(octyloxy)benzoyloxy]azobenzene-4-sulfonate. Itis found that this compound can self-organize in zeolite-like structures adaptive to environmentalconditions (e.g., temperature, humidity, solvent vapors). Depending on the type of the phase, thestructure contains 1D, 2D, or 3D networks of nanometer-sized ion channels. Of particular interestare bicontinuous phases, such as the double gyroid phase, as they hold promise for applications inseparation and energy. Specially designed environmental cells compatible with grazing-incidenceX-ray scattering and atomic force microscopy enable simultaneous measurements of structural parameters/morphology during vapor-annealing treatment at different temperatures. Such in-situapproach allows finding the environmental conditions at which the double gyroid phase can beformed and provide insights on the supramolecular structure of thin films at different spatial levels.
Добавил в систему: Иванов Дмитрий Анатольевич

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