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  • Title: Colloidal jamming at interfaces: a route to fluid-bicontinuous gels.
    Author: Stratford K, Adhikari R, Pagonabarraga I, Desplat JC, Cates ME.
    Journal: Science; 2005 Sep 30; 309(5744):2198-201. PubMed ID: 16195456.
    Abstract:
    Colloidal particles or nanoparticles, with equal affinity for two fluids, are known to adsorb irreversibly to the fluid-fluid interface. We present large-scale computer simulations of the demixing of a binary solvent containing such particles. The newly formed interface sequesters the colloidal particles; as the interface coarsens, the particles are forced into close contact by interfacial tension. Coarsening is markedly curtailed, and the jammed colloidal layer seemingly enters a glassy state, creating a multiply connected, solidlike film in three dimensions. The resulting gel contains percolating domains of both fluids, with possible uses as, for example, a microreaction medium.
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