Plasmonic sensing using Babinet's principle

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dc.contributor.authorRiley, Joseph Arnoldcs
dc.contributor.authorHorák, Michalcs
dc.contributor.authorKřápek, Vlastimilcs
dc.contributor.authorHealy, Noelcs
dc.contributor.authorPacheco-Pea, Victorcs
dc.coverage.issue20cs
dc.coverage.volume12cs
dc.date.issued2023-10-01cs
dc.description.abstractDeveloping methods to sense local variations in properties of nearby materials, such as their refractive index and thickness, are important in numerous fields including chemistry and biomedical applications. Localized surface plasmons (LSPs) excited in plasmonic nanostructures have been demonstrated to be useful in this context due to the spectral location of their associated resonances being sensitive to changes in the environment near the plasmonic structures. This manuscript explores Babinet's principle by exploiting LSP resonances excited in complementary metal-dielectric cylindrical plasmonic structures (plasmonic particle-dimers and aperture-dimers in our case). Both plasmonic structures are evaluated numerically and experimentally using electron energy loss spectroscopy (EELS), providing a full physical understanding of the complementary nature of the excited LSP resonances. These plasmonic structures are then exploited for dielectric sensing under two configurations: when a thin dielectric film is positioned atop the plasmonic structures and when the analyte surrounds/fills the plasmonic particles/apertures. The complementary sensing performance of both proposed structures is also evaluated, showing the approximate validity of the Babinet principle with sensitivity values of up to 650 nm/RIU for thin dielectric sensing.en
dc.formattextcs
dc.format.extent3895-3909cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationNanophotonics. 2023, vol. 12, issue 20, p. 3895-3909.en
dc.identifier.doi10.1515/nanoph-2023-0317cs
dc.identifier.issn2192-8614cs
dc.identifier.orcid0000-0001-6503-8294cs
dc.identifier.orcid0000-0002-4047-8653cs
dc.identifier.other187897cs
dc.identifier.researcheridR-2546-2017cs
dc.identifier.researcheridA-6917-2013cs
dc.identifier.scopus57200608539cs
dc.identifier.urihttp://hdl.handle.net/11012/245069
dc.language.isoencs
dc.publisherDe Gruytercs
dc.relation.ispartofNanophotonicscs
dc.relation.urihttps://www.degruyter.com/document/doi/10.1515/nanoph-2023-0317/htmlcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2192-8614/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectBabineten
dc.subjectdielectric sensingen
dc.subjectnanoantennasen
dc.subjectnanoparticlesen
dc.subjectplasmonic dimersen
dc.subjectplasmonicsen
dc.titlePlasmonic sensing using Babinet's principleen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-187897en
sync.item.dbtypeVAVen
sync.item.insts2025.02.27 18:24:19en
sync.item.modts2025.02.20 14:31:57en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav fyzikálního inženýrstvícs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Příprava a charakterizace nanostrukturcs
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Ústav fyzikálního inženýrství
Příprava a charakterizace nanostruktur