Figure 5
From: Gold-silver alloy nanoshells: a new candidate for nanotherapeutics and diagnostics

UV-Vis-NIR spectra of as-synthesized gold-silver alloy nanoshells deposited on gold-seeded Gd:Fe 3 O 4 nanocores for (A) Au:Ag = 1:1 and (B) Au:Ag = 5:1 nanoparticles.