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Edwards, A.M.J. 
ORCID: 0000-0003-3338-1287, Brown, C.V. ORCID: 0000-0002-1559-3238, Newton, M.I. ORCID: 0000-0003-4231-1002 and McHale, G.,
2018.
Dielectrowetting: the past, present and future.
Current Opinion in Colloid & Interface Science, 36, pp. 28-36.
ISSN 1359-0294
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Abstract
Liquid dielectrophoresis is a bulk force acting on dipoles within a dielectric liquid inside a non-uniform electric field. When the driving electrodes are interdigitated, bulk liquid dielectrophoresis is converted to an interface-localised form capable of modifying the energy balance at an interface. When the interface is a solid-liquid one, the wetting properties of a surface are modified and this approach is known as dielectrowetting. Dielectrowetting has been shown to provide the ability to reversibly modify the contact angle of a liquid droplet with the application of voltage, the strength of which is controlled by the penetration depth of the non-uniform field and permittivities of the fluids involved. Importantly, dielectrowetting provides the ability to create thin liquid films, overcoming the limitation of contact angle saturation present in electrowetting. In this paper, we review the development of dielectrowetting - its origins, the statics and dynamics of dielectrowetted droplets, and the applications of dielectrowetting in microfluidics and optofluidics. Recent developments in the field are also reviewed showing the future directions of this rapidly developing field.
| Item Type: | Journal article | ||||||
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| Publication Title: | Current Opinion in Colloid & Interface Science | ||||||
| Creators: | Edwards, A.M.J., Brown, C.V., Newton, M.I. and McHale, G. | ||||||
| Publisher: | Elsevier | ||||||
| Date: | July 2018 | ||||||
| Volume: | 36 | ||||||
| ISSN: | 1359-0294 | ||||||
| Identifiers: |
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| Rights: | © 2018 The Authors. Published by Elsevier Ltd. Creative Commons Attribution License (CC BY) This article is available under the terms of the Creative Commons Attribution License (CC BY). You may copy and distribute the article, create extracts, abstracts and new works from the article, alter and revise the article, text or data mine the article and otherwise reuse the article commercially (including reuse and/or resale of the article) without permission from Elsevier. You must give appropriate credit to the original work, together with a link to the formal publication through the relevant DOI and a link to the Creative Commons user license above. You must indicate if any changes are made but not in any way that suggests the licensor endorses you or your use of the work. Permission is not required for this type of reuse. | ||||||
| Divisions: | Schools > School of Science and Technology | ||||||
| Record created by: | Linda Sullivan | ||||||
| Date Added: | 15 May 2019 13:17 | ||||||
| Last Modified: | 15 May 2019 13:17 | ||||||
| URI: | https://irep.ntu.ac.uk/id/eprint/36558 |
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