Evaporation-driven assembly of colloidal particles
Eric Lauga, Michael P. Brenner
TL;DR
This paper investigates how colloidal particles at liquid droplet interfaces form specific packings during evaporation, using numerical and theoretical methods to understand the geometrical constraints involved.
Contribution
It provides a numerical and theoretical analysis of the packing selection process driven by evaporation, highlighting the role of geometrical constraints.
Findings
Unique packings result from geometrical constraints during drying
Numerical simulations match experimental packing patterns
Theoretical analysis explains packing selection mechanism
Abstract
Colloidal particles absorbed at the interface of a liquid droplet arrange into unique packings during slow evaporation (Manoharan et al. Science 301 pp 483-487). We present a numerical and theoretical analysis of the packing selection problem. The selection of a unique packing arises almost entirely from geometrical constraints during the drying.
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