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Irreversible adsorption of gold nanospheres on fiber optical tapers and microspheres

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dc.contributorVirginia Techen
dc.contributor.authorYi, Jihaengen
dc.contributor.authorJao, Chih-Yuen
dc.contributor.authorKandas, Ishac L. N.en
dc.contributor.authorLiu, Boen
dc.contributor.authorXu, Yongen
dc.contributor.authorRobinson, Hans D.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.contributor.departmentPhysicsen
dc.date.accessed2014-01-10en
dc.date.accessioned2014-01-21T19:28:08Zen
dc.date.available2014-01-21T19:28:08Zen
dc.date.issued2012-04-01en
dc.description.abstractWe study the adsorption of gold nanospheres onto cylindrical and spherical glass surfaces from quiescent particle suspensions. The surfaces consist of tapers and microspheres fabricated from optical fibers and were coated with a polycation, enabling irreversible nanosphere adsorption. Our results fit well with theory, which predicts that particle adsorption rates depend strongly on surface geometry and can exceed the planar surface deposition rate by over two orders of magnitude when particle diffusion length is large compared to surface curvature. This is particularly important for plasmonic sensors and other devices fabricated by depositing nanoparticles from suspensions onto surfaces with non-trivial geometries. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3701730]en
dc.description.sponsorshipNational Institute of Occupational Safety and Health 1U60OH009761-01en
dc.description.sponsorshipNational Science Foundation CBET-0756693en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationYi, Jihaeng; Jao, Chih-Yu; Kandas, Ishac L. N.; et al., "Irreversible adsorption of gold nanospheres on fiber optical tapers and microspheres," Appl. Phys. Lett. 100, 153107 (2012); http://dx.doi.org/10.1063/1.3701730en
dc.identifier.doihttps://doi.org/10.1063/1.3701730en
dc.identifier.issn0003-6951en
dc.identifier.urihttp://hdl.handle.net/10919/24960en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/apl/100/15/10.1063/1.3701730en
dc.language.isoenen
dc.publisherAIP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectSurface-plasmon resonanceen
dc.subjectSequential adsorptionen
dc.subjectParticlesen
dc.subjectDiffusionen
dc.subjectDepositionen
dc.subjectBiosensorsen
dc.subjectKineticsen
dc.subjectPhysicsen
dc.titleIrreversible adsorption of gold nanospheres on fiber optical tapers and microspheresen
dc.title.serialApplied Physics Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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