Multifunctional Soft Materials: Facile & Modular Strategies Towards Ionic Liquid-Based Gels & Gelators
Chen, Christian
Chen, Christian
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2020
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2020-05-19
Abstract
The incorporation of a hexadecyl group on imidazolium, pyridinium, and pyrrolidinium scaffolds produces low-molecular-weight ionic organogelators that can gel several types of ionic liquids, deep eutectic solvents, and several molecular organic solvents. On the basis of polarized optical microscopy, differential scanning calorimetry, and X-ray data, the mechanism of gelation is due to crystallization of these salts that produce high-surface-area crystals, which generate sufficiently stable three-dimensional networks that are capable of trapping the solvent molecules. Importantly, the nature of the fluid component of the gel appears to have a profound effect on the morphology of the crystallized organogelators. On the other hand, the organogelators appeared to modulate phase transitions of the liquids.
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Chemistry and Biochemistry