Figure 2From: Surface plasmon resonance of Au-Cu bimetallic nanoparticles predicted by a quasi-chemical modelExtinction of Au-Cu alloy nanoparticles. Extinction of Au-Cu alloy nanoparticles (10 nm) when (a) n = 1, (b) n = 1.4, and (c) n = 1.8 (Qabs is the extinction coefficient).Back to article page