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Article: Exploring pulse-voltage-triggered optically induced electrohydrodynamic instability for femtolitre droplet generation

TitleExploring pulse-voltage-triggered optically induced electrohydrodynamic instability for femtolitre droplet generation
Authors
Issue Date2014
Citation
Applied Physics Letters, 2014, v. 104, n. 26, article no. 264103 How to Cite?
AbstractWe present a multipoint "virtual dispenser" to draw femtolitre droplets from a dielectric fluidic thin film using pulse-voltage-triggered optically induced electrohydrodynamic instability (PVT-OEHI). The "virtual dispenser" generates instability nucleation sites by controlling the optically induced lateral electrical stress and thermocapillary flow inside an optoelectronics chip. A time scale analysis shows that the electrohydrodynamic (EHD) instability phenomenon is present; however, its external manifestation is suppressed by OEHI. We observed two droplet dispensing mechanisms which correspond to different EHD states: Taylor cone formation and optically induced EHD jet. The EHD states transition could be realized by adjusting the pulse voltage parameters to alter the morphology of dispensed micron-scale polymer droplets, which could then be formed into organized arrays of microlenses with controllable diameter and curvature based on surface tension effect. © 2014 AIP Publishing LLC.
Persistent Identifierhttp://hdl.handle.net/10722/325279
ISSN
2023 Impact Factor: 3.5
2023 SCImago Journal Rankings: 0.976
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, Feifei-
dc.contributor.authorFei, Fei-
dc.contributor.authorLiu, Lianqing-
dc.contributor.authorYu, Haibo-
dc.contributor.authorYu, Peng-
dc.contributor.authorWang, Yuechao-
dc.contributor.authorLee, Gwo Bin-
dc.contributor.authorJung Li, Wen-
dc.date.accessioned2023-02-27T07:31:11Z-
dc.date.available2023-02-27T07:31:11Z-
dc.date.issued2014-
dc.identifier.citationApplied Physics Letters, 2014, v. 104, n. 26, article no. 264103-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10722/325279-
dc.description.abstractWe present a multipoint "virtual dispenser" to draw femtolitre droplets from a dielectric fluidic thin film using pulse-voltage-triggered optically induced electrohydrodynamic instability (PVT-OEHI). The "virtual dispenser" generates instability nucleation sites by controlling the optically induced lateral electrical stress and thermocapillary flow inside an optoelectronics chip. A time scale analysis shows that the electrohydrodynamic (EHD) instability phenomenon is present; however, its external manifestation is suppressed by OEHI. We observed two droplet dispensing mechanisms which correspond to different EHD states: Taylor cone formation and optically induced EHD jet. The EHD states transition could be realized by adjusting the pulse voltage parameters to alter the morphology of dispensed micron-scale polymer droplets, which could then be formed into organized arrays of microlenses with controllable diameter and curvature based on surface tension effect. © 2014 AIP Publishing LLC.-
dc.languageeng-
dc.relation.ispartofApplied Physics Letters-
dc.titleExploring pulse-voltage-triggered optically induced electrohydrodynamic instability for femtolitre droplet generation-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1063/1.4885549-
dc.identifier.scopuseid_2-s2.0-84905662197-
dc.identifier.volume104-
dc.identifier.issue26-
dc.identifier.spagearticle no. 264103-
dc.identifier.epagearticle no. 264103-
dc.identifier.isiWOS:000339114100079-

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