Solvent coarsening around colloids driven by temperature gradients

Physical Review. E
Sutapa RoyAnna Maciolek

Abstract

Using mesoscopic numerical simulations and analytical theory, we investigate the coarsening of the solvent structure around a colloidal particle emerging after a temperature quench of the colloid surface. Qualitative differences in the coarsening mechanisms are found, depending on the composition of the binary liquid mixture forming the solvent and on the adsorption preferences of the colloid. For an adsorptionwise neutral colloid, the phase next to its surface alternates as a function of time. This behavior sets in on the scale of the relaxation time of the solvent and is absent for colloids with strong adsorption preferences. A Janus colloid, with a small temperature difference between its two hemispheres, reveals an asymmetric structure formation and surface enrichment around it, even if the solvent is within its one-phase region and if the temperature of the colloid is above the critical demixing temperature T_{c} of the solvent. Our phenomenological model turns out to capture recent experimental findings according to which, upon laser illumination of a Janus colloid and due to the ensuing temperature gradient between its two hemispheres, the surrounding binary liquid mixture develops a concentration gradient.

References

Jan 16, 1989·Physical Review Letters·R A JonesS A Schwarz
Sep 2, 1996·Physical Review Letters·J KumakiS Granick
Apr 24, 2002·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·B P LeeS C Glotzer
Feb 21, 2006·Physical Review Letters·Subir K DasK Binder
Aug 2, 2013·The Journal of Chemical Physics·Sutapa Roy, Subir K Das
Aug 16, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Thomas BickelAlois Würger
Oct 5, 2013·The Journal of Chemical Physics·Hua JiangXiaohua Zhang
Nov 14, 2015·Physical Review Letters·Alois Würger
Nov 14, 2015·Physical Review Letters·Sela Samin, René van Roij
Apr 16, 2016·Physical Review Letters·Juan Ruben Gomez-SolanoClemens Bechinger

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Citations

Sep 20, 2018·Soft Matter·Sutapa Roy, Anna Maciołek
Nov 2, 2019·Scientific Reports·Tsuyoshi Tsukada, Rei Kurita
Jun 15, 2019·Soft Matter·Takeaki Araki, Anna Maciołek
Sep 17, 2020·The Journal of Chemical Physics·R Ebrahimi ViandL Delle Site
Jan 21, 2021·Physical Review. E·Jiarul Midya, Subir K Das

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