Application of AAO Matrix in Aligned Gold Nanorod Array Substrates for Surface-Enhanced Fluorescence and Raman Scattering

被引：32

作者：

Damm, Signe ^{[1
]}

Lordan, Frances ^{[1
]}

Murphy, Antony ^{[2
]}

McMillen, Mark ^{[2
]}

Pollard, Robert ^{[2
]}

Rice, James H. ^{[1
]}

机构：

[1] Univ Coll Dublin, NanoPhoton Res Grp, Dublin 4, Ireland

[2] Queens Univ Belfast, Dept Phys & Astron, Belfast BT7, Antrim, North Ireland

来源：

PLASMONICS | 2014年 / 9卷 / 06期

基金：

英国工程与自然科学研究理事会; 爱尔兰科学基金会;

关键词：

SEF; SERS; Fluorescence; Alumina template; NaOH etching; Raman; Nanorods; Gold; Rhodamine; 6G; PLASMON RESONANCE; NANOSTRUCTURES; SPECTROSCOPY; EXCITATION; EMISSION; TOLUENE; MODES;

D O I：

10.1007/s11468-014-9751-y

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：1371 / 1376

页数：6

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