Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Electrostatic Boundary Conditions in Dielectrics01:27

Electrostatic Boundary Conditions in Dielectrics

2.1K
When an electric field passes from one homogeneous medium to another, crossing the boundary between the two mediums imparts a discontinuity in the electric field. This results in electrostatic boundary conditions that depend on the type of mediums the field propagates through.
Consider a case where both the mediums across a boundary are two different dielectric materials. Recall that the electric field and electric displacement are proportional and related through the material's permittivity....
2.1K
The Electrical Double Layer01:30

The Electrical Double Layer

241
In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...
241
Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model01:09

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model

937
Various dissolution theories provide insight into the factors that influence the dissolution rate. Danckwerts' Model suggests that turbulence, rather than a stagnant layer, characterizes the dissolution medium at the solid-liquid interface. In this model, the agitated solvent contains macroscopic packets that move to the interface via eddy currents, facilitating the absorption and delivery of the drug to the bulk solution. The regular replenishment of solvent packets maintains the...
937
Dielectric Polarization in a Capacitor01:31

Dielectric Polarization in a Capacitor

5.5K
The presence of a dielectric medium in a capacitor not only changes the voltage and capacitance but also affects the electric field. In general, dielectrics can be of two types: polar and nonpolar. In a polar dielectric, the positive and negative charges in the molecules are separated by a distance and hence have a permanent dipole moment. In contrast, no such charge separation exists in a nonpolar dielectric, however the nonpolar molecules get polarized in the presence of an external electric...
5.5K
Electrochemical Systems01:24

Electrochemical Systems

179
Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution,...
179

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Reversible Mobility Switching and Programmable Liquid Drop Transport on Air-Permeable Superhydrophobic Surfaces.

ACS applied materials & interfaces·2026
Same author

Modeling of chemo-radiotherapy targeting growing vascular tumors: A continuum-level approach.

PloS one·2025
Same author

Simulation of Electrowetting-Induced Droplet Detachment: A Study of Droplet Oscillations on Solid Surfaces.

Materials (Basel, Switzerland)·2023
Same author

Modelling of Electrowetting-Induced Droplet Detachment and Jumping over Topographically Micro-Structured Surfaces.

Micromachines·2021
Same author

Impact of substrate elasticity on contact angle saturation in electrowetting.

Soft matter·2021
Same author

Highlighting the Role of Dielectric Thickness and Surface Topography on Electrospreading Dynamics.

Micromachines·2019

Related Experiment Video

Updated: May 1, 2026

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids
10:03

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids

Published on: September 30, 2014

27.9K

Neither Lippmann nor Young: enabling electrowetting modeling on structured dielectric surfaces.

Nikolaos T Chamakos1, Michail E Kavousanakis, Athanasios G Papathanasiou

  • 1School of Chemical Engineering, National Technical University of Athens , 15780 Greece.

Langmuir : the ACS Journal of Surfaces and Colloids
|April 5, 2014
PubMed
Summary

This study introduces a new model for electrowetting on patterned surfaces, accurately simulating wetting transitions and revealing new mixed wetting states. The findings advance understanding of droplet behavior in complex environments.

More Related Videos

Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer
10:11

Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer

Published on: April 19, 2021

3.0K
Automated Lipid Bilayer Membrane Formation Using a Polydimethylsiloxane Thin Film
08:23

Automated Lipid Bilayer Membrane Formation Using a Polydimethylsiloxane Thin Film

Published on: July 10, 2016

18.1K

Related Experiment Videos

Last Updated: May 1, 2026

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids
10:03

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids

Published on: September 30, 2014

27.9K
Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer
10:11

Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer

Published on: April 19, 2021

3.0K
Automated Lipid Bilayer Membrane Formation Using a Polydimethylsiloxane Thin Film
08:23

Automated Lipid Bilayer Membrane Formation Using a Polydimethylsiloxane Thin Film

Published on: July 10, 2016

18.1K

Area of Science:

  • Physics
  • Materials Science
  • Surface Science

Background:

  • Electrowetting enables tunable droplet manipulation on surfaces.
  • Existing models have limitations in describing complex wetting phenomena on patterned surfaces.

Purpose of the Study:

  • To develop a novel modeling approach for electrowetting on patterned surfaces.
  • To accurately simulate wetting transitions and analyze droplet behavior.
  • To investigate the formation and stability of different wetting states.

Main Methods:

  • Utilizing capillary electrohydrostatics augmented by a disjoining pressure term.
  • Employing an effective interface potential for solid/liquid interactions.
  • Simulating liquid surface profiles and multiple three-phase contact lines (TPLs).

Main Results:

  • The developed model bypasses electric field singularities for accurate computations near TPLs.
  • Microscopic contact angle invariance in electrowetting is confirmed for thick dielectrics.
  • All admissible droplet equilibrium profiles, including mixed wetting states, were computed for patterned dielectrics.

Conclusions:

  • The novel model accurately captures electrowetting phenomena on patterned surfaces.
  • Mixed wetting states were computed for the first time in electrowetting systems.
  • The study provides a robust framework for understanding and predicting droplet behavior in complex surface topographies.