Journal of Nanotechnology / 2012 / Article / Fig 2

Research Article

Relationship between Length and Surface-Enhanced Raman Spectroscopy Signal Strength in Metal Nanoparticle Chains: Ideal Models versus Nanofabrication

Figure 2

FDTD calculations of the extinction spectra for 60 nm Au nanoparticle chains 1–9 nanoparticles in length. Nanochains in (a) have a 1 nm interparticle separation and are embedded in a medium with refractive index 𝑛 e = 1 . 0 . Nanochains in (b) have a 1.5 nm interparticle separation and are embedded in a medium with refractive index 𝑛 e = 1 . 5 .
840245.fig.002a
(a)
840245.fig.002b
(b)

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