Micelle mediated transport of oil between droplets is well known to occur within emulsions, and we explore how such “communication” can be harnessed to control chemotactic interactions between multiphase droplets. We present a framework for rationalizing and predicting micelle-mediated interactions between droplets of different chemistries and explore the ramifications for chemically programmable active fluids. By understanding how the patterns of oil gradients affect the resultant droplet organization, and/or by structuring the internal morphology of the droplets themselves, we can generate hierarchical assemblies of multicomponent droplets of interest for applications such as sensors and optics.

Dynamic organization of complex droplets via chemotactic surface-mediated interaction

2019 Fall National Meeting

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