Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 141, Issue 15, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4898071
Keywords
-
Funding
- NWO/STW (VIDI Grant) [10787]
- EPSRC [EP/I034602/1]
- Fujitsu Laboratories Europe
- HPC-Europa2
- University of Edinburgh
- Engineering and Physical Sciences Research Council [EP/I034602/1, EP/L00030X/1] Funding Source: researchfish
- EPSRC [EP/L00030X/1, EP/I034602/1] Funding Source: UKRI
Ask authors/readers for more resources
The energy required to detach a single particle from a fluid-fluid interface is an important parameter for designing certain soft materials, for example, emulsions stabilised by colloidal particles, colloidosomes designed for targeted drug delivery, and bio-sensors composed of magnetic particles adsorbed at interfaces. For a fixed particle volume, prolate and oblate spheroids attach more strongly to interfaces because they have larger particle-interface areas. Calculating the detachment energy of spheroids necessitates the difficult measurement of particle-liquid surface tensions, in contrast with spheres, where the contact angle suffices. We develop a simplified detachment energy model for spheroids which depends only on the particle aspect ratio and the height of the particle centre of mass above the fluid-fluid interface. We use lattice Boltzmann simulations to validate the model and provide quantitative evidence that the approach can be applied to simulate particle-stabilized emulsions, and highlight the experimental implications of this validation. (C) 2014 AIP Publishing LLC.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available