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Ag dendritic nanostructures as ultrastable substrates for surface-enhanced Raman scattering
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10.1063/1.4803937
/content/aip/journal/apl/102/18/10.1063/1.4803937
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/18/10.1063/1.4803937
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Figures

Image of FIG. 1.
FIG. 1.

(a) Large-scale and (b) magnified FE-SEM images of Ag dendritic nanostructures. (c) Typical TEM image of an Ag dendrite and (d) AC-HRTEM image of the surface region of an Ag dendrite. (e) EDX spectra recorded from the region marked in (d). (f) XRD pattern of the as-prepared Ag dendritic nanostructure.

Image of FIG. 2.
FIG. 2.

(a) SERS spectra of R6G obtained at different concentrations (from 10 to 10M) using Ag dendritic nanostructured substrates. Inset showing the line relationship between logI of the band peaking at 612 cm (average and standard deviation from 20 samples) and logC. (b) SERS spectra of 10M aqueous solution of R6G measured from substrates aged in air for different periods (i.e., freshly prepared, 10 days, 20 days, 30 days, 40 days, and 50 days).

Image of FIG. 3.
FIG. 3.

(a) SERS spectra of thiram obtained at different concentrations (10 to 10M) with Ag dendritic nanostructures. Inset showing the linear relationship between logI (average and standard deviation from 20 samples) and logC. (b) Twenty curves of 10M thiram RSD, which were detected on 20 different areas of the substrates and their RSD.

Image of FIG. 4.
FIG. 4.

(a) Image of surface local electric field distribution for an Ag dendritic nanostructure image of distribution of surface local electric fields on second-level branch, (b) without, and (c) with SiO nanolayers.

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/content/aip/journal/apl/102/18/10.1063/1.4803937
2013-05-10
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ag dendritic nanostructures as ultrastable substrates for surface-enhanced Raman scattering
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/18/10.1063/1.4803937
10.1063/1.4803937
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