Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/96847
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dc.contributor.authorLi, Xianglinen
dc.contributor.authorZhang, Yongzheen
dc.contributor.authorShen, Zexiangen
dc.contributor.authorFan, Hong Jinen
dc.date.accessioned2013-06-14T02:39:52Zen
dc.date.accessioned2019-12-06T19:35:42Z-
dc.date.available2013-06-14T02:39:52Zen
dc.date.available2019-12-06T19:35:42Z-
dc.date.copyright2012en
dc.date.issued2012en
dc.identifier.citationLi, X., Zhang, Y., Shen, Z., & Fan, H. J. (2012). Highly ordered arrays of particle-in-bowl plasmonic nanostructures for surface-enhanced Raman scattering. Small, 8(16), 2548-2554.en
dc.identifier.issn1613-6810en
dc.identifier.urihttps://hdl.handle.net/10356/96847-
dc.identifier.urihttp://hdl.handle.net/10220/10387en
dc.description.abstractA highly ordered particle-in-bowl (PIB) nanostructure array is designed and fabricated to achieve large field enhancement for the surface-enhanced Raman scattering (SERS) application. This new type of PIB structure is composed of an Ag particle located at the bottom of an Au bowl, and the two are separated by a precisely controlled nanoscale dielectric layer. The fabrication of the PIB structure is based on the self-assembly of polystyrene spheres and atomic layer deposition (ALD), which allows good control of the metal particle size and gap distance, as well as large-scale ordering. Numerical simulation reveals a high enhancement of the local field at the nanogaps. The SERS performance of the PIB arrays, and the effects of the Ag particle size and the ALD dielectric layer thickness are characterized, results of which are in reasonable agreement with simulation. With Rhodmaine 6G as the probe molecule, the spatially averaged SERS enhancement factor is on the order of 3.8 × 107 and the local field enhancement from simulation can be up to 108.en
dc.language.isoenen
dc.relation.ispartofseriesSmallen
dc.rights© 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en
dc.titleHighly ordered arrays of particle-in-bowl plasmonic nanostructures for surface-enhanced Raman scatteringen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.contributor.researchMicroelectronics Centreen
dc.identifier.doihttp://dx.doi.org/10.1002/smll.201200576en
item.grantfulltextnone-
item.fulltextNo Fulltext-
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