Capillary Assembly of Colloids: Interactions on Planar and Curved Interfaces
arXiv:1710.05258 · doi:10.1146/annurev-conmatphys-031016-025514
Abstract
In directed assembly, small building clocks are assembled into an organized structures under the influence of guiding fields. Capillary interactions provide a versatile route for structure formation. Colloids adsorbed on fluid interfaces distort the interface, which creates an associated energy field. When neighboring distortions overlap, colloids interact to minimize interfacial area. Contact line pinning, particle shape and surface chemistry play important roles in structure formation. Interface curvature acts like an external field; particles migrate and assemble in patterns dictated by curvature gradients. We review basic analysis and recent findings in this rapidly evolving literature. Understanding the roles of assembly is essential for tuning the mechanical, physical, and optical properties of the structure.
14 pages, 9 figures
References in corpus (5)
- Ellipsoidal particles at fluid interfaces
- Contact-line pinning controls how quickly colloidal particles equilibrate with liquid interfaces
- Effects of contact-line pinning on the adsorption of nonspherical colloids at liquid interfaces
- Experimental realization of the "lock-and-key" mechanism in liquid crystals
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Cited by in corpus (13)
- Multiphase curved boundary condition in lattice Boltzmann method
- Tuning the rheology and microstructure of particle-laden fluid interfaces with Janus particles
- Near-zero surface pressure assembly of rectangular lattices of microgels at fluid interfaces for colloidal lithography
- Glassy dynamics of dense particle assemblies on a spherical substrate
- Strain localization and failure of disordered particle rafts with tunable ductility during tensile deformation
- Transport Phenomena in Fluid Films with Curvature Elasticity
- Bidirectional Wave-Propelled Capillary Spinners
- Conformational switching of chiral colloidal rafts regulates raft-raft attractions and repulsions
- Stress-induced ordering of two-dimensional packings of elastic spheres
- Nucleation and shape dynamics of model nematic tactoids around adhesive colloids
- Diffusion in a rough potential: Dual-scale structure and regime crossovers
- Hydrodynamic interactions in polar liquid crystals on evolving surfaces
- Casimir Interaction between Polydisperse Colloids Trapped at a Fluid Interface