Fiber-optic plasmonic probe with nanogap-rich Au nanoislands for on-site surface-enhanced Raman spectroscopy using repeated solid-state dewetting

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dc.contributor.authorKwak, Jihyunko
dc.contributor.authorLee, Wonkyoungko
dc.contributor.authorKim, Jae-Beomko
dc.contributor.authorBae, Sang-Inko
dc.contributor.authorJeong, Ki-Hunko
dc.date.accessioned2019-04-24T13:14:07Z-
dc.date.available2019-04-24T13:14:07Z-
dc.date.created2019-04-22-
dc.date.created2019-04-22-
dc.date.issued2019-03-
dc.identifier.citationJOURNAL OF BIOMEDICAL OPTICS, v.24, no.3-
dc.identifier.issn1083-3668-
dc.identifier.urihttp://hdl.handle.net/10203/261494-
dc.description.abstractWe report a fiber-optic plasmonic probe with nanogap-rich gold nanoislands for on-site surface-enhanced Raman spectroscopy (SERS). The plasmonic probe features nanogap-rich Au nanoislands on the top surface of a single multimode fiber. Au nanoislands were monolithically fabricated using repeated solid-state dewetting of thermally evaporated Au thin film. The plasmonic probe shows 7.8 x 10(6) in SERS enhancement factor and 100 nM in limit-of-detection for crystal violet under both the excitation of laser light and the collection of SERS signals through the optical fiber. The fiber-through measurement also demonstrates the label-free SERS detection of folic acid at micromolar level. The plasmonic probe can provide a tool for on-site and in vivo SERS applications. (C) The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License.-
dc.languageEnglish-
dc.publisherSPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS-
dc.titleFiber-optic plasmonic probe with nanogap-rich Au nanoislands for on-site surface-enhanced Raman spectroscopy using repeated solid-state dewetting-
dc.typeArticle-
dc.identifier.wosid000463886200040-
dc.identifier.scopusid2-s2.0-85062989565-
dc.type.rimsART-
dc.citation.volume24-
dc.citation.issue3-
dc.citation.publicationnameJOURNAL OF BIOMEDICAL OPTICS-
dc.identifier.doi10.1117/1.JBO.24.3.037001-
dc.contributor.localauthorJeong, Ki-Hun-
dc.contributor.nonIdAuthorKwak, Jihyun-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorsolid-state dewetting-
dc.subject.keywordAuthorsurface-enhanced Raman spectroscopy-
dc.subject.keywordAuthorplasmonics-
dc.subject.keywordAuthornanofabrication-
dc.subject.keywordAuthorfiber optics-
dc.subject.keywordPlusFOLIC-ACID-
dc.subject.keywordPlusSERS-
dc.subject.keywordPlusARRAYS-
dc.subject.keywordPlusFILMS-
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