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Shek, Alvin C. M., Semprebon, Ciro, Panter, Jack R. 
ORCID: https://orcid.org/0000-0001-8523-7629 and Kusumaatmaja, Halim
(2021)
Capillary bridges on liquid-infused surfaces.
Langmuir, 37 (2).
pp. 908-917.
ISSN 0743-7463
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Abstract
We numerically study two-component capillary bridges formed when a liquid droplet is placed in between two liquid-infused surfaces (LIS). In contrast to commonly studied one-component capillary bridges on noninfused solid surfaces, two-component liquid bridges can exhibit a range of different morphologies where the liquid droplet is directly in contact with two, one, or none of the LIS substrates. In addition, the capillary bridges may lose stability when compressed due to the envelopment of the droplet by the lubricant. We also characterize the capillary force, maximum separation, and effective spring force and find that they are influenced by the shape and size of the lubricant ridge. Importantly, these can be tuned to increase the effective capillary adhesion strength by manipulating the lubricant pressure, Neumann angle, and wetting contact angles. As such, LIS are not only "slippery"parallel to the surface, but they are also "sticky"perpendicular to the surface.
| Item Type: | Article |
|---|---|
| Additional Information: | Funding Information: ACMS is supported by EPSRC’s Centre for Doctoral Training in Soft Matter and Functional Interfaces (EP/L015536/1; ACMS). H.K. and J.R.P. acknowledge funding from Procter & Gamble. C.S. acknowledges support from Northumbria University through the Vice-Chancellor’s Fellowship Programme and EPSRC (EP/S036857/1) for funding. |
| Uncontrolled Keywords: | materials science(all),condensed matter physics,surfaces and interfaces,spectroscopy,electrochemistry ,/dk/atira/pure/subjectarea/asjc/2500 |
| Faculty \ School: | Faculty of Science > School of Engineering |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 16 Sep 2022 13:36 |
| Last Modified: | 14 Jun 2023 14:10 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/88389 |
| DOI: | 10.1021/acs.langmuir.0c03220 |
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