Scientific reports controlling droplet splashing and bouncing by dielectrowetting
Abstract Stopping droplets from bouncing or splashing after impacting a surface is fundamental in preventing cross-contamination, and the spreading of germs and harmful substances. Here we demonstrate that dielectrowetting can be applied to actively control the dynamics of droplet impact. Moreover,...
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Nature Portfolio
2021
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oai:doaj.org-article:2d71da52f7bb4a1686270a13bddc53a02021-11-08T10:50:32ZScientific reports controlling droplet splashing and bouncing by dielectrowetting10.1038/s41598-021-00771-z2045-2322https://doaj.org/article/2d71da52f7bb4a1686270a13bddc53a02021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-00771-zhttps://doaj.org/toc/2045-2322Abstract Stopping droplets from bouncing or splashing after impacting a surface is fundamental in preventing cross-contamination, and the spreading of germs and harmful substances. Here we demonstrate that dielectrowetting can be applied to actively control the dynamics of droplet impact. Moreover, we demonstrate that dielectrowetting can be used to prevent droplet bouncing and suppress splashing. In our experiments, the dielectrowetting effect is produced on a flat substrate by two thin interdigitated electrodes connected to an alternating current potential. Our findings show that the strength of the electric potential can affect the dynamic contact angle and regulate the spreading, splashing and receding dynamics at the right time-scales.M. A. Quetzeri-SantiagoJ. R. Castrejón-PitaA. A. Castrejón-PitaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021) |
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Medicine R Science Q M. A. Quetzeri-Santiago J. R. Castrejón-Pita A. A. Castrejón-Pita Scientific reports controlling droplet splashing and bouncing by dielectrowetting |
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Abstract Stopping droplets from bouncing or splashing after impacting a surface is fundamental in preventing cross-contamination, and the spreading of germs and harmful substances. Here we demonstrate that dielectrowetting can be applied to actively control the dynamics of droplet impact. Moreover, we demonstrate that dielectrowetting can be used to prevent droplet bouncing and suppress splashing. In our experiments, the dielectrowetting effect is produced on a flat substrate by two thin interdigitated electrodes connected to an alternating current potential. Our findings show that the strength of the electric potential can affect the dynamic contact angle and regulate the spreading, splashing and receding dynamics at the right time-scales. |
format |
article |
author |
M. A. Quetzeri-Santiago J. R. Castrejón-Pita A. A. Castrejón-Pita |
author_facet |
M. A. Quetzeri-Santiago J. R. Castrejón-Pita A. A. Castrejón-Pita |
author_sort |
M. A. Quetzeri-Santiago |
title |
Scientific reports controlling droplet splashing and bouncing by dielectrowetting |
title_short |
Scientific reports controlling droplet splashing and bouncing by dielectrowetting |
title_full |
Scientific reports controlling droplet splashing and bouncing by dielectrowetting |
title_fullStr |
Scientific reports controlling droplet splashing and bouncing by dielectrowetting |
title_full_unstemmed |
Scientific reports controlling droplet splashing and bouncing by dielectrowetting |
title_sort |
scientific reports controlling droplet splashing and bouncing by dielectrowetting |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/2d71da52f7bb4a1686270a13bddc53a0 |
work_keys_str_mv |
AT maquetzerisantiago scientificreportscontrollingdropletsplashingandbouncingbydielectrowetting AT jrcastrejonpita scientificreportscontrollingdropletsplashingandbouncingbydielectrowetting AT aacastrejonpita scientificreportscontrollingdropletsplashingandbouncingbydielectrowetting |
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