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Article: Highly efficient and tunable fluorescence of a nanofluorophore in silica/metal dual shells with plasmonic resonance

TitleHighly efficient and tunable fluorescence of a nanofluorophore in silica/metal dual shells with plasmonic resonance
Authors
Issue Date2008
PublisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp
Citation
Journal Of Applied Physics, 2008, v. 103 n. 2, article no. 024301 How to Cite?
AbstractA dual-shell structure consisting of a silica buffer shell and a metallic outer shell is studied and designed for highly efficient and tunable fluorescence. The enhanced Purcell effect due to the plasmonic resonance and the dependence of the resonance on the structural parameters are analyzed and discussed through a classical electromagnetic approach. With the present dual-shell structure a fivefold enhancement of the fluorescence efficiency can be achieved for a nanofluorophore comprised of multiple tetramethylrhodamine isothiocyanate dye molecules, as compared to the nanofluorophore within a single silica shell. Furthermore, the peak wavelength of the fluorescence spectrum can be tuned easily (due to the variation of the surface plasmon resonance) by over 50 nm when the refractive index of the ambient material varies from 1.3 to 1.6. © 2008 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/155433
ISSN
2015 Impact Factor: 2.101
2015 SCImago Journal Rankings: 0.603
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChen, XWen_US
dc.contributor.authorHe, Sen_US
dc.contributor.authorChoy, WCHen_US
dc.date.accessioned2012-08-08T08:33:28Z-
dc.date.available2012-08-08T08:33:28Z-
dc.date.issued2008en_US
dc.identifier.citationJournal Of Applied Physics, 2008, v. 103 n. 2, article no. 024301en_US
dc.identifier.issn0021-8979en_US
dc.identifier.urihttp://hdl.handle.net/10722/155433-
dc.description.abstractA dual-shell structure consisting of a silica buffer shell and a metallic outer shell is studied and designed for highly efficient and tunable fluorescence. The enhanced Purcell effect due to the plasmonic resonance and the dependence of the resonance on the structural parameters are analyzed and discussed through a classical electromagnetic approach. With the present dual-shell structure a fivefold enhancement of the fluorescence efficiency can be achieved for a nanofluorophore comprised of multiple tetramethylrhodamine isothiocyanate dye molecules, as compared to the nanofluorophore within a single silica shell. Furthermore, the peak wavelength of the fluorescence spectrum can be tuned easily (due to the variation of the surface plasmon resonance) by over 50 nm when the refractive index of the ambient material varies from 1.3 to 1.6. © 2008 American Institute of Physics.en_US
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jspen_US
dc.relation.ispartofJournal of Applied Physicsen_US
dc.rightsCopyright 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal Of Applied Physics, 2008, v. 103 n. 2, article no. 024301 and may be found at http://jap.aip.org/resource/1/japiau/v103/i2/p024301_s1-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsJournal of Applied Physics. Copyright © American Institute of Physics-
dc.titleHighly efficient and tunable fluorescence of a nanofluorophore in silica/metal dual shells with plasmonic resonanceen_US
dc.typeArticleen_US
dc.identifier.emailChoy, WCH:chchoy@eee.hku.hken_US
dc.identifier.authorityChoy, WCH=rp00218en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1063/1.2830986en_US
dc.identifier.scopuseid_2-s2.0-38849123313en_US
dc.identifier.hkuros147762-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-38849123313&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume103en_US
dc.identifier.issue2en_US
dc.identifier.isiWOS:000252821100077-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChen, XW=9637396600en_US
dc.identifier.scopusauthoridHe, S=36048024500en_US
dc.identifier.scopusauthoridChoy, WCH=7006202371en_US

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