Article
Dipolophoresis and Travelling-Wave Dipolophoresis of Metal Microparticles
Author/s | Flores Mena, Jose Eladio
García Sánchez, Pablo Ramos Reyes, Antonio |
Department | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Publication Date | 2020 |
Deposit Date | 2020-03-06 |
Published in |
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Abstract | We study theoretically and numerically the electrokinetic behavior of metal microparticles immersed in aqueous electrolytes. We consider small particles subjected to non-homogeneous ac electric fields and we describe their ... We study theoretically and numerically the electrokinetic behavior of metal microparticles immersed in aqueous electrolytes. We consider small particles subjected to non-homogeneous ac electric fields and we describe their motion as arising from the combination of electrical forces (dielectrophoresis) and the electroosmotic flows on the particle surface (induced-charge electrophoresis). The net particle motion is known as dipolophoresis. We also study the particle motion induced by travelling electric fields. We find analytical expressions for the dielectrophoresis and induced-charge electrophoresis of metal spheres and we compare them with numerical solutions. This validates our numerical method, which we also use to study the dipolophoresis of metal cylinders. |
Funding agencies | Research Agency MCI |
Project ID. | PGC2018-099217-B-I00 |
Citation | Flores Mena, J.E., García Sánchez, P. y Ramos Reyes, A. (2020). Dipolophoresis and Travelling-Wave Dipolophoresis of Metal Microparticles. Micromachines, 11 (3), 1-15. |
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pubmicromachines-11-00259.pdf | 1.166Mb | [PDF] | View/ | |