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Angle resolved surface enhanced Raman scattering (SERS) on two-dimensional metallic arrays with different hole sizes
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10.1063/1.3291109
/content/aip/journal/apl/96/3/10.1063/1.3291109
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/3/10.1063/1.3291109
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The dispersion relations of 6-mercaptopurine/Ag hole arrays for hole diameters of (a) 170 nm, (b) 235 nm, (c) 325 nm, and (d) 400 nm. The solid lines are the calculated dispersion relations for different SPP modes. The corresponding SEM images are shown in the insets.

Image of FIG. 2.
FIG. 2.

The variations in (a) SPP lifetime and (b) coupling efficiency of (1,0) and (−2,0) SPP modes at 550 and 560 nm with hole size.

Image of FIG. 3.
FIG. 3.

The angle resolved Raman mappings of 6-mercaptopurine/Ag hole arrays for hole diameters of (a) 170 nm, (b) 235 nm, (c) 325 nm, and (d) 400 nm.

Image of FIG. 4.
FIG. 4.

(a) The (1,0) Raman spectra of the arrays taken from hole diameters of 170, 220, 235, 250, 300, 325, 360, and 400 nm. The solid arrow span from small to large hole size. The spectra are vertically shifted for visualization. The Raman spectrum taken from flat Ag film is also shown at the bottom. (b) The plot of Raman enhancement factor against hole diameter for (1,0) and (−2,0) SPP modes at 550 and 560 nm.

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/content/aip/journal/apl/96/3/10.1063/1.3291109
2010-01-19
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Angle resolved surface enhanced Raman scattering (SERS) on two-dimensional metallic arrays with different hole sizes
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/3/10.1063/1.3291109
10.1063/1.3291109
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