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Electrokinetics over hydrophobic surfaces.

Pratyaksh Karan1, Jeevanjyoti Chakraborty1, Suman Chakraborty1

  • 1Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, India.

Electrophoresis
|November 27, 2018
PubMed
Summary
This summary is machine-generated.

Phase segregation near hydrophobic surfaces alters electrokinetic transport. This review covers advances in understanding slippery electrohydrodynamics, linking molecular to macroscopic scales.

Keywords:
ElectrokineticsElectroosmoticHydrophobicSlipStreaming potential

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Area of Science:

  • Interfacial Science
  • Fluid Dynamics
  • Electrochemistry

Background:

  • Phase segregation near hydrophobic surfaces significantly impacts interfacial electrostatics and hydrodynamics.
  • Understanding electrokinetic transport over hydrophobic interfaces is crucial for various applications.

Purpose of the Study:

  • To review fundamental advances in electrokinetic transport over hydrophobic interfaces.
  • To emphasize developments in understanding slippery electrohydrodynamics at different scales.

Main Methods:

  • Review of molecular dynamics simulations.
  • Analysis of mesoscopic modeling paradigms (phase field, lattice Boltzmann).
  • Consideration of various spatio-temporal scales.

Main Results:

  • Significant progress in relating macroscopic slip-length to molecular/mesoscopic phenomena.
  • Insights into the mechanisms of slippery electrohydrodynamics over hydrophobic surfaces.

Conclusions:

  • Future efforts should focus on statistically robust models.
  • Connecting rarefied gas dynamics in segregated phases with bulk electrokinetics is a key future direction.
  • Potential for giant augmentations in fluid flow through improved modeling.