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. Author manuscript; available in PMC: 2012 Dec 20.
Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2011 Dec 20;115(50):24437–24453. doi: 10.1021/jp207821t

Figure 6.

Figure 6

Collective response engineering: the role of the NP cluster size. SEM images from NCAs assembled with constant edge-to-edge separation (Λ = 200 nm) but varying binding site diameter: D = 50 nm (A), 80 nm (B), 100 nm (C), 130 nm (D) and 200 nm (E). A magnified image of an individual cluster of 40 nm Au NPs is shown in (F). Adapted with permission from ref71. Copyright 2009 American Chemical Society.