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Revisiting the separation dependent surface enhanced Raman scattering
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10.1063/1.3009301
/content/aip/journal/apl/93/17/10.1063/1.3009301
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/17/10.1063/1.3009301
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Figures

Image of FIG. 1.
FIG. 1.

(a), (b), and (c) are three top view SEM images of Au nanopost array with the diameter and separation , 160, and 235 nm, respectively. The scale bar represents 200 nm for all SEM images.

Image of FIG. 2.
FIG. 2.

Representative SERS spectra of BPE obtained from the Au nanopost arrays with different separation , 110, 135, 180, and 235 nm, respectively. The spectra are not normalized to the post number.

Image of FIG. 3.
FIG. 3.

(a) The relative SERS peak intensity per post at (star), (filled circle), and (filled square), and the rescaled sum of vs calculated by FDTD method (the solid curves). (b) The enhancement of edge and top , and the total enhancement , as functions of the separation , calculated by FDTD method.

Image of FIG. 4.
FIG. 4.

(a) The top view and (b) the cross-sectional view of the local E-field distribution of the nanopost array calculated by FDTD method.

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/content/aip/journal/apl/93/17/10.1063/1.3009301
2008-10-29
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Revisiting the separation dependent surface enhanced Raman scattering
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/17/10.1063/1.3009301
10.1063/1.3009301
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