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Multi-purpose nanovoid array plasmonic sensor produced by direct laser patterning

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dc.contributor.authorPavlov, D. V.
dc.contributor.authorZhizhchenko, A. Y.
dc.contributor.authorHonda, M.
dc.contributor.authorYamanaka, M.
dc.contributor.authorKudryashov, S. I.
dc.date.accessioned2024-11-21T14:39:05Z
dc.date.available2024-11-21T14:39:05Z
dc.date.issued2019
dc.description.abstract© 2019 by the authors. Licensee MDPI, Basel, Switzerland.We demonstrate a multi-purpose plasmonic sensor based on a nanovoid array fabricated via inexpensive and highly-reproducible direct femtosecond laser patterning of thin glass-supported Au films. The proposed nanovoid array exhibits near-IR surface plasmon (SP) resonances, which can be excited under normal incidence and optimised for specific applications by tailoring the array periodicity, as well as the nanovoid geometric shape. The fabricated SP sensor offers competitive sensitivity of ~ 1600 nm/RIU at a figure of merit of 12 in bulk refractive index tests, as well as allows for identification of gases and ultra-thin analyte layers, making the sensor particularly useful for common bioassay experiments. Moreover, isolated nanovoids support strong electromagnetic field enhancement at lattice SP resonance wavelength, allowing for label-free molecular identification via surface-enhanced vibration spectroscopy.
dc.identifier.citationMulti-purpose nanovoid array plasmonic sensor produced by direct laser patterning / Pavlov, D.V. [et al.] // Nanomaterials. - 2019. - 9. - № 10. - 10.3390/nano9101348
dc.identifier.doi10.3390/nano9101348
dc.identifier.urihttps://www.doi.org/10.3390/nano9101348
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85073457479&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000495666800003
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18820
dc.relation.ispartofNanomaterials
dc.titleMulti-purpose nanovoid array plasmonic sensor produced by direct laser patterning
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue10
oaire.citation.volume9
relation.isOrgUnitOfPublicationc8407a6f-7272-450d-8d99-032352c76b55
relation.isOrgUnitOfPublication.latestForDiscoveryc8407a6f-7272-450d-8d99-032352c76b55
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