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16 April 2024 |
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Colloidal Jamming at Interfaces: a Route to Fluid-bicontinuous Gels | | K. Stratford
; R. Adhikari
; I. Pagonabarraga
; J.-C. Desplat
; M. E. Cates
; | | Date: |
3 Oct 2005 | | Journal: | Science, volume 309 pp 2198-2201 (2005) DOI: 10.1126/science.1116589 | | Subject: | Soft Condensed Matter; Materials Science; Statistical Mechanics | cond-mat.soft cond-mat.mtrl-sci cond-mat.stat-mech | | 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 dramatically curtailed, and the jammed colloidal layer seemingly enters a glassy state, creating a multiply connected, solid-like film in three dimensions. The resulting gel contains percolating domains of both fluids, with possible uses as, for example, a microreaction medium. | | Source: | arXiv, cond-mat/0510040 | | Other source: | [GID 289074] pmid16195456 | | Services: | Forum | Review | PDF | Favorites | |
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