Clustering of Janus particles in an optical potential driven by hydrodynamic fluxes

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buir.contributor.authorMousavi, S. Masoumeh
buir.contributor.authorKasianiuk, Iryna
buir.contributor.authorKasyanyuk, Denis
buir.contributor.authorBiancofiore, Luca
buir.contributor.authorVelu, Sabareesh K. P.
buir.contributor.orcidKasianiuk, Iryna|0000-0002-8448-5433
buir.contributor.orcidBiancofiore, Luca|0000-0001-7159-7965
dc.citation.epage5en_US
dc.citation.spage1en_US
dc.citation.volumeNumber11798en_US
dc.contributor.authorCallegari, Agnese
dc.contributor.authorMousavi, S. Masoumeh
dc.contributor.authorKasianiuk, Iryna
dc.contributor.authorKasyanyuk, Denis
dc.contributor.authorVelu, Sabareesh K. P.
dc.contributor.authorBiancofiore, Luca
dc.contributor.authorVolpe, Giovanni
dc.coverage.spatialSan Diego, California, United Statesen_US
dc.date.accessioned2022-02-02T11:23:41Z
dc.date.available2022-02-02T11:23:41Z
dc.date.issued2021-08-01
dc.departmentDepartment of Mechanical Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.descriptionConference Name: Optical Trapping and Optical Micromanipulation XVIII; (117982D)en_US
dc.descriptionDate of Conference: 2021en_US
dc.description.abstractSelf-organisation is driven by the interactions between the individual components of a system mediated by the environment, and is one of the most important strategies used by many biological systems to develop complex and functional structures. Furthermore, biologically-inspired self-organisation offers opportunities to develop the next generation of materials and devices for electronics, photonics and nanotechnology. In this work, we demonstrate experimentally that a system of Janus particles (silica microspheres half-coated with gold) aggregates into clusters in the presence of a Gaussian optical potential and disaggregates when the optical potential is switched off. We show that the underlying mechanism is the existence of a hydrodynamic flow induced by a temperature gradient generated by the light absorption at the metallic patches on the Janus particles. We also perform simulations, which agree well with the experiments and whose results permit us to clarify the underlying mechanism. The possibility of hydrodynamic-flux-induced reversible clustering may have applications in the fields of drug delivery, cargo transport, bioremediation and biopatterning.en_US
dc.description.provenanceSubmitted by Betül Özen (ozen@bilkent.edu.tr) on 2022-02-02T11:23:41Z No. of bitstreams: 1 Clustering_of_Janus_particles_in_an_optical_potential_driven_by_hydrodynamic_fluxes.pdf: 557760 bytes, checksum: bfcbe285e56c1bf7d4c86678b1051898 (MD5)en
dc.description.provenanceMade available in DSpace on 2022-02-02T11:23:41Z (GMT). No. of bitstreams: 1 Clustering_of_Janus_particles_in_an_optical_potential_driven_by_hydrodynamic_fluxes.pdf: 557760 bytes, checksum: bfcbe285e56c1bf7d4c86678b1051898 (MD5) Previous issue date: 2021-08-01en
dc.identifier.doi10.1117/12.2593758en_US
dc.identifier.isbn978-155752820-9
dc.identifier.urihttp://hdl.handle.net/11693/76966
dc.language.isoEnglishen_US
dc.publisherDigital Libraryen_US
dc.relation.isversionofhttps://doi.org/10.1117/12.2593758en_US
dc.source.titleProceedings of SPIEen_US
dc.subjectReversible clusteringen_US
dc.subjectOptical potential and optical forcesen_US
dc.subjectJanus particlesen_US
dc.subjectHydrodynamic fluxen_US
dc.subjectSelforganizationen_US
dc.subjectExperimenten_US
dc.subjectNumerical simulationen_US
dc.subjectTemperature gradienten_US
dc.subjectLight absorptionen_US
dc.subjectMetallic patchesen_US
dc.titleClustering of Janus particles in an optical potential driven by hydrodynamic fluxesen_US
dc.typeConference Paperen_US

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