Ionic Janus Liquid Droplets Assembled and Propelled by Electric Field

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Title
Ionic Janus Liquid Droplets Assembled and Propelled by Electric Field
Author(s)
Melinda Sindoro; Steve Granick
Publication Date
2018-12
Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.57, no.51, pp.16773 - 16776
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Traditional Janus particle approaches to produce active motion are based on using solid particles, but it is interesting to consider liquid droplets instead, because for solid particles, the self‐assembly of synthetic active matter requires moving objects to sit in a near‐planar 2D geometry. Emulsions, cross‐linked polymers, and porous materials have been proposed for 3D self‐assembly but with limitations to propel them. It is now demonstrated that Janus liquid droplets can be used as building block in an active propulsion system. Using an ionic liquid motif, the droplet system can be tuned from core–shell to Janus and multipatches, using facile surfactant‐based methods. The approach was stimulated by the success of electro‐hydrodynamic flow produced by an alternating electric field to produce motion of colloidal particles; its usefulness to also propel ionic liquids is demonstrated. 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/5387
ISSN
1433-7851
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
Files in This Item:
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