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Assembly and Rearrangement of Particles Confined at a Surface of a Droplet, and Intruder Motion in Electro-Shaken Particle Films

1
Faculty of Physics, Adam Mickiewicz University, Umultowska 85, Poznań 61-614, Poland
2
Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: To Ngai
Materials 2016, 9(8), 679; https://doi.org/10.3390/ma9080679
Received: 8 June 2016 / Revised: 29 July 2016 / Accepted: 5 August 2016 / Published: 10 August 2016
(This article belongs to the Special Issue Pickering Emulsion and Derived Materials)
Manipulation of particles at the surface of a droplet can lead to the formation of structures with heterogeneous surfaces, including patchy colloidal capsules or patchy particles. Here, we study the assembly and rearrangement of microparticles confined at the surface of oil droplets. These processes are driven by electric-field-induced hydrodynamic flows and by ‘electro-shaking’ the colloidal particles. We also investigate the motion of an intruder particle in the particle film and present the possibility of segregating the surface particles. The results are expected to be relevant for understanding the mechanism for particle segregation and, eventually, lead to the formation of new patchy structures. View Full-Text
Keywords: assembly; intruder motion; segregation of particles; electro-shaking; particle film; patchy structures; patchy colloidal capsules assembly; intruder motion; segregation of particles; electro-shaking; particle film; patchy structures; patchy colloidal capsules
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Rozynek, Z.; Kaczmarek-Klinowska, M.; Magdziarz, A. Assembly and Rearrangement of Particles Confined at a Surface of a Droplet, and Intruder Motion in Electro-Shaken Particle Films. Materials 2016, 9, 679.

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