P.S. Brown
Controlling picolitre droplet impact dynamics by tailoring the solid subsurface
Brown, P.S.; Talbot, E.L.; Wood, T.J.; Egan, M.J.; Wu, J.J.; Sainic, K.; Kumarc, N.; Bain, C.D.; Badyal, J.P.S.
Authors
E.L. Talbot
T.J. Wood
M.J. Egan
Professor Junjie Wu junjie.wu@durham.ac.uk
Professor
K. Sainic
N. Kumarc
C.D. Bain
J.P.S. Badyal
Abstract
The oscillatory dynamics of picolitre water droplets following impact onto a range of hydrophobic surfaces is found to be influenced by the underlayer stiffness and thickness. The relative contributions of surface functionality versus subsurface hardness have been decoupled by utilising plasmachemical surface functionalisation and underlayer crosslinking respectively. Higher oscillation frequencies are measured for softer and thicker films, which correlates to a larger surface deformation around the liquid droplet contact line.
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 24, 2015 |
Online Publication Date | May 7, 2015 |
Publication Date | Sep 20, 2015 |
Deposit Date | Feb 3, 2016 |
Publicly Available Date | May 7, 2016 |
Journal | Colloids and Surfaces A: Physicochemical and Engineering Aspects |
Print ISSN | 0927-7757 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 481 |
Pages | 215-221 |
DOI | https://doi.org/10.1016/j.colsurfa.2015.04.047 |
Public URL | https://durham-repository.worktribe.com/output/1420830 |
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Copyright Statement
NOTICE: this is the author’s version of a work that was accepted for publication in Colloids and surfaces A: physiochemical and engineering aspects. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Colloids and surfaces A: physiochemical and engineering aspects, 481, 20 September 2015, 215–221, 10.1016/j.colsurfa.2015.04.047
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