Entropic patchiness: effects of colloid shape and depletion

A.V. Petukhov, R. Tuinier, G.J. Vroege

Research output: Contribution to journalReview articlepeer-review

35 Citations (Scopus)
42 Downloads (Pure)


This paper reviews ‘entropic patchiness’ of colloidal particles. On the one hand this may be due to their intrinsic tendency to form certain shape-dependent configurations in crowded suspensions, on the other hand this can be strongly enhanced by using depletion interactions that are also of purely entropic origin. A brief account of the Onsager theory and its consequences for the formation of colloidal liquid crystals of highly anisometric particles is presented. It is further supplemented by a recap of the description of depletion attraction between colloids and the effects of their shape. A number of recent examples exploiting entropic patchiness are discussed.

Original languageEnglish
Pages (from-to)54-61
Number of pages8
JournalCurrent Opinion in Colloid and Interface Science
Publication statusPublished - 1 Jul 2017


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