Enhancement in SERS intensity with hierarchical nanostructures by bimetallic deposition approach

We investigate the plasmonic enhancement arising from bimetallic (Au/Ag) hierarchical structure and address the fundamental issues relating to the design of multilayered nanostructures for surface‐enhanced Raman scattering (SERS) spectroscopy. SERS‐active nanosphere arrays with Ag underlayer and Au...

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Veröffentlicht in:	Journal of Raman spectroscopy 2012-08, Vol.43 (8), p.977-985
Hauptverfasser:	Fu, Chit Yaw, Kho, Kiang Wei, Dinish, U. S., Koh, Zhen Yu, Malini, Olivo
Format:	Artikel
Sprache:	eng
Schlagworte:	Arrays bimetallic substrate Bimetals biosensing Gold hierarchical structures metal film Nanospheres Nanostructure Raman scattering Silver stability surface-enhanced Raman scattering Thickness ratio
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