UMR 5672

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Drying of colloidal dispersions in confined drops

Jean-Baptiste Salmon (LOF, UMR 5258 CNRS/Solvay/Université de Bordeaux)
When Dec 11, 2018
from 10:45 AM to 11:45 AM
Where room 115
Attendees Jean-Baptiste Salmon
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We study the drying of charged colloidal dispersions in droplets confined between two circular plates. More precisely, we combined this technique with in-situ measurements of concentration fields using Raman micro-spectroscopy, of flow patterns using particle tracking, and of drying-induced mechanical stresses using a precision scale, to probe the roles of (i) colloidal interactions, (ii) buoyancy-driven flows, and (iii) the liquid to solid transition, on the dynamics of drying.