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Exploring the behaviour of water nanodroplet on a coplanar electrowetting-ondielectric: A molecular dynamics approach
Chan H.K.; Mak P.I.; Siu S.W.I.
2017-07-01
Source PublicationMicro and Nano Letters
ISSN17500443
Volume12Issue:7Pages:486-489
AbstractMolecular dynamics simulation has been used to investigate the behaviour of a water nanodroplet on a hydrophobic surface under an applied electric field. The model system mimics a typical electrowetting-on-dielectric experiment of an open-plate coplanar electrodes system. Given the various strengths of the electrode-induced field, variations in contact angle of the droplet, hydrogen bonding and diffusion coefficient of the water molecules are disclosed. Their main findings are: (i) nanodroplet displays asymmetric electrowetting in contact angle measurement; (ii) water molecules and the entire droplet are slightly positively biased; (iii) more water hydrogen bonds are maintained in the positive side, in both the first and the second hydration layer to the surface; and (iv) water diffusion is higher in parallel to the surface than the normal direction.
DOI10.1049/mnl.2016.0824
URLView the original
Language英語
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被引频次[WOS]:1   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
AffiliationUniversidade de Macau
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Chan H.K.,Mak P.I.,Siu S.W.I.. Exploring the behaviour of water nanodroplet on a coplanar electrowetting-ondielectric: A molecular dynamics approach[J]. Micro and Nano Letters,2017,12(7):486-489.
APA Chan H.K.,Mak P.I.,&Siu S.W.I..(2017).Exploring the behaviour of water nanodroplet on a coplanar electrowetting-ondielectric: A molecular dynamics approach.Micro and Nano Letters,12(7),486-489.
MLA Chan H.K.,et al."Exploring the behaviour of water nanodroplet on a coplanar electrowetting-ondielectric: A molecular dynamics approach".Micro and Nano Letters 12.7(2017):486-489.
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