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Exploring the behaviour of water nanodroplet on a coplanar electrowetting-on-dielectric: a molecular dynamics approach
Chan, Hoi Kei; Mak, Pui In; Siu, Shirley W. I.
2017-07
Source PublicationMICRO & NANO LETTERS
ISSN1750-0443
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.
Keywordwater drops wetting molecular dynamics method hydrogen bonds contact angle water nanodroplet coplanar electrowetting-on-dielectric molecular dynamics simulation hydrophobic surface applied electric field open-plate coplanar electrodes system electrode-induced field contact angle hydrogen bonding diffusion coefficient water molecules hydration layer water diffusion
DOI10.1049/mnl.2016.0824
URLView the original
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000404882300016
PublisherINST ENGINEERING TECHNOLOGY-IET
The Source to ArticleWOS
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Recommended Citation
GB/T 7714
Chan, Hoi Kei,Mak, Pui In,Siu, Shirley W. I.. Exploring the behaviour of water nanodroplet on a coplanar electrowetting-on-dielectric: a molecular dynamics approach[J]. MICRO & NANO LETTERS,2017,12(7):486-489.
APA Chan, Hoi Kei,Mak, Pui In,&Siu, Shirley W. I..(2017).Exploring the behaviour of water nanodroplet on a coplanar electrowetting-on-dielectric: a molecular dynamics approach.MICRO & NANO LETTERS,12(7),486-489.
MLA Chan, Hoi Kei,et al."Exploring the behaviour of water nanodroplet on a coplanar electrowetting-on-dielectric: a molecular dynamics approach".MICRO & NANO LETTERS 12.7(2017):486-489.
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