Entropic patchiness: effects of colloid shape and depletion

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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.

Originele taal-2Engels
Pagina's (van-tot)54-61
Aantal pagina's8
TijdschriftCurrent Opinion in Colloid and Interface Science
Volume30
DOI's
StatusGepubliceerd - 1 jul 2017

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