Vertical Graphene Nanosheets Coated with Gold Nanoparticle Arrays: Effect of Interparticle Spacing on Optical Response

Figure 2

(a–c) SEM images show denser patterns of Au NPs thermally deposited on VGN as moving radially towards the center of the mesh hole. (d) A dense pattern of larger Au NPs on VGN close to the center of the mesh.

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(b)

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(d)