Colloidal jamming at interfaces: A route to fluid-bicontinuous gels

K Stratford, R Adhikari, I Pagonabarraga, J C Desplat, M E Cates

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)2198-2201
Number of pages4
Issue number5744
Publication statusPublished - 30 Sep 2005


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