Special Issue "Electrowetting and Smart/Programmable Liquid Interfaces in Microfluidics"
Deadline for manuscript submissions: closed (31 October 2020).
Interests: interfacial phenomena; electro-magnetofluidics; wetting on complex structures; nonlinear phenomena-stability analysis
The realization of electrostatically addressable wetting of solid surfaces by liquids renders electrowetting (EW) an ideal technique for dynamically manipulating the shape and position of liquid/solid interfaces in the micron scale. Although the electrically assisted modification of wettability is quite an old idea concept (around 1870) of the renowned physicist, G. Lippmann, it was the revolutionary idea of B. Berge (around 2000), that boosted EW applications and related scientific research. Berge introduced a dielectric layer between conductive liquids and conductive solid electrodes that limited the electric current losses and considerably increased the magnitude of the electrostatic energy that could be stored at the liquid/dielectric solid interface. This configuration, known as ElectroWetting On Dielectric (EWOD), is already implemented in many droplet-based microfluidic commercial applications: from dynamically tunable liquid lenses, and lab-on-a-chip systems (droplet transport and mixing of reagents) to low consumption displays, and energy harvesting shoes.
Not only the development of novel EWOD applications but also the optimization and improvement of the established ones are strongly related to the understanding of fundamental electrohydrodynamic phenomena coupled with the electrochemical or electromechanical properties of materials used. Very high electric fields which are desirable for achieving submicron scale curved liquid interfaces require the development, or deposition, of thin dielectric stacks which should resist, mechanically or electrically, under repeated (tens of thousands) actuation cycles. Reversibility of EWOD actuation, as well as other fundamental limiting phenomena, such as the well-known contact angle saturation, are closely related to material surface structure, and its mechanical or chemical properties. The objective of this Special Issue is to highlight research papers, short communications, and review articles that concern novel EW applications, as well as progress on fundamental phenomena that are related to the efficient handling of liquid interfaces via EW.
Prof. Athanasios G. Papathanasiou
Manuscript Submission Information
Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.
Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.
Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.
- Contact angle saturation
- EW display
- Liquid lens
- Wetting of complex substrates
- Superhydrophobic surfaces
- Liquid infused surfaces
- Droplet microfluidics
- Modeling spreading dynamics
- Energy and water harvesting