Review

Microfluidics and Nanofluidics

, Volume 9, Issue 4, pp 593-611

First online:

RETRACTED ARTICLE: Induced-charge electrokinetic phenomena

  • Yasaman DaghighiAffiliated withDepartment of Mechanical and Mechatronics Engineering, University of Waterloo
  • , Dongqing LiAffiliated withDepartment of Mechanical and Mechatronics Engineering, University of Waterloo Email author 

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Abstract

The induced-charge electrokinetic (ICEK) phenomena are relatively new area of research in microfluidics and nanofluidics. Different from the traditional electrokinetic phenomena which are based on the interactions between applied electric field and the electrostatic charge, the ICEK phenomena result from the interaction of the applied electric field and the induced charge on polarisable surfaces. Because of the different underline physics, ICEK phenomena have many unique characteristics that may lead to new applications in microfluidics and nanofluidics. In this paper, we review the major advancement of research in the field of ICEK phenomena, discuss the applications and the limitations, and suggest some future research directions.

Keywords

Induced-charge electrokinetic phenomena Polarisable surfaces/particles Conductive surfaces/particles Heterogeneous (Janus) particles Electro-osmotic Electrophoresis