Application of AAO matrix in aligned gold nanorod array substrates for surface-Enhanced fluorescence and Raman scattering

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Title: Application of AAO matrix in aligned gold nanorod array substrates for surface-Enhanced fluorescence and Raman scattering
Authors: Damm, Signe
Lordan, Frances
Murphy, Antony
Rice, James H.
et al.
Permanent link: http://hdl.handle.net/10197/8318
Date: Dec-2014
Abstract: In this paper, we probed surface-enhanced Raman scattering (SERS) and surface-enhanced fluorescence (SEF) from probe molecule Rhodamine 6G (R6G) on self-standing Au nanorod array substrates made using a combination of anodization and potentiostatic electrodeposition. The initial substrates were embedded within a porous alumina template (AAO). By controlling the thickness of the AAO matrix, SEF and SERS were observed exhibiting an inverse relationship. SERS and SEF showed a non-linear response to the removal of AAO matrix due to an inhomogeneous plasmon activity across the nanorod which was supported by FDTD calculations. We showed that by optimizing the level of AAO thickness, we could obtain either maximized SERS, SEF or simultaneously observe both SERS and SEF together.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: Springer
Journal: Plasmonics
Volume: 9
Issue: 6
Start page: 1371
End page: 1376
Copyright (published version): 2014 Springer
Keywords: SEFSERSFluorescenceAlumina templateNaOHEtchingRamanNanorodsGoldRhodamine 6G
DOI: 10.1007/s11468-014-9751-y
Language: en
Status of Item: Peer reviewed
Appears in Collections:Physics Research Collection

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