Self-propelled chemotactic ionic liquid droplets
Francis, Wayne and Fay, Cormac and Florea, Larisa and Diamond, Dermot (2015) Self-propelled chemotactic ionic liquid droplets. Chemical Communications, 51 . pp. 2342-2344. ISSN 1364-548X
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Herein we report the chemotactic behaviour of self-propelled droplets composed solely of the ionic liquid trihexyl(tetradecyl)phosphonium chloride ([P6,6,6,14][Cl]). These droplets spontaneously move along an aqueous-air boundary in the direction of chloride gradients to specific destinations due to asymmetric release of [P6,6,6,14]+ cationic surfactant from the droplet into the aqueous phase.
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