Electric field manipulation of particles in leaky dielectric liquids

• Autorzy: Rozynek Z. , Castberg R. , Kalicka A. , Jankowski P. , Garstecki P.
• Języki publikacji: EN

Abstrakty

EN

Patchy colloidal capsules, i.e., hollow structures with permeable heterogeneous surfaces, possess advantageous properties when compared with their homogenous counterparts. For example, owing to specific interactions between patches they can self-assemble into complex structures to form functional materials. Fabrication of patchy colloidal capsules has long been theorized by scientists able to design different models, but the actual production of them remains a challenge. Here, we demonstrate how to manipulate colloidal particles on a surface of a droplet with electric fields. We present three examples of patchy structures formed via electrohydrodynamic microflows and electro-coalescence. In addition, we show electro-orientation of patchy capsules composed of both nonconductive polymeric particles and conductive silver coated particles. Finally, we discuss the importance of an appropriate selection of oils and particles.

Słowa kluczowe

EN

patchy structures; guided-assembly; electrohydrodynamics; electroorientation

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Archives of Mechanics
• Rocznik: 2015
• Tom: Vol. 67, nr 5
• Strony: 385--399
• Opis fizyczny: Bibliogr. 27 poz., rys. kolor.

Twórcy

autor

Rozynek Z.

• Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw, Poland
• Department of Physics Norwegian University of Science and Technology Hoegskoleringen 5 N-7491 Trondheim, Norway

autor

Castberg R.

• Department of Physics University of Oslo P.O. Box 1048 NO-0316, Oslo, Norway
• DNV GL Strategic Research and Innovation NO-1322, Høvik, Norway

autor

Kalicka A.

• Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw, Poland

autor

Jankowski P.

• Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw, Poland

autor

Garstecki P.

• Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw, Poland

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