Theory of Liquids applied to colloidal solutions: from the DLVO description to Molecular DFT

16 Dec 2025, 16:40
20m
ILL50-110 (ILL50)

ILL50-110

ILL50

71 avenue des Martyrs 38000 Grenoble

Speaker

Luc Belloni (CEA/Saclay)

Description

The golden age of colloidal physics began in the early 1980s with the simultaneous development of scattering techniques (X-ray, neutron, light) and simple liquid theories (integral equations, Poisson-Boltzmann) applied to the interaction between colloids in solution.

From the very beginning, a very fruitful collaboration with Thomas Zemb led to the writing of numerous practical numerical codes capable of linking, in a few seconds, scattering spectra to microscopic characteristics: size, effective charge, Hamaker constant, depletion, etc.

What was achieved at the time for spherical nanometric particles immersed in a continuous dielectric solvent is now being extended to the level of molecular description, in order to predict the structural and thermodynamic properties of solvation.

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