Surfactant Mediated Particle Aggregation in Nonpolar Solvent
Soft Condensed Matter
2020-01-01 v2
Abstract
Aggregation behavior of particles in nonpolar medium is studied with time-resolved light scattering. At low concentrations of surfactant particles are weakly charged and suspensions are not stable. Suspensions get progressively more stable with increasing surfactant concentration as particles get more highly charged. At high concentrations the particles get neutralized and aggregation is again fast. The theory of Derjaguin, Landau, Verwey, and Overbeek (DLVO) is able to predict the stability ratios quantitatively by using the experimentally measured surface charge, screening lengths and van der Waals forces.
Cite
@article{arxiv.1904.04566,
title = {Surfactant Mediated Particle Aggregation in Nonpolar Solvent},
author = {Mojtaba Farrokhbin and Biljana Stojimirovic and Marco Galli and Mohsen Khajeh Aminian and Yannick Hallez and Gregor Trefalt},
journal= {arXiv preprint arXiv:1904.04566},
year = {2020}
}