Porous liquid phases for indented colloids with depletion interactions

Douglas Ashton, Robert Jack, Nigel Wilding

Research output: Contribution to journalLetterpeer-review

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We study indented spherical colloids, interacting via depletion forces. These systems exhibit liquid-vapor phase transitions whose properties are determined by a combination of strong “lock-and-key” bonds and weaker nonspecific interactions. As the propensity for lock-and-key binding increases, the critical point moves to significantly lower density, and the coexisting phases change their structure. In particular, the liquid phase is porous, exhibiting large percolating voids. The properties of this system depend strongly on the topological structure of an underlying bond network: we comment on the implications of this fact for the assembly of equilibrium states with controlled porous structures
Original languageEnglish
Article number237801
Pages (from-to)1 - 5
Number of pages5
JournalPhysical Review Letters
Issue number23
Early online date12 Jun 2015
Publication statusPublished - 12 Jun 2015


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