Abstract
Self-assembly of colloids into superstructures is very important for fabricating functional devices. This study demonstrates that in a colloidal system of anisotropic liquid-crystal droplets dispersed in isotropic glycerol, the droplets self-assemble into periodic superstructures in cells with patterned indium tin oxide (ITO) electrodes, due to the different surface tensions of the two components on ITO and glass. This self-assembly of the liquid-crystal droplets may be utilized to manufacture $e.g.$ switchable photonic crystals, sensors, or microlens arrays.
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