Figure 2.

a UV–Visible spectrum for Au–Pt bimetallic NPs generated on ITO surface with varying mole ratio of Au:Pt. Corresponding Au:Pt ratios are shown on the individual spectrum. b UV–Visible spectrum for Au–Pt bimetallic NPs generated on quartz surface with 1:1 mole ratio of Au:Pt

Khalid et al. Nanoscale Research Letters 2009 5:61-67   doi:10.1007/s11671-009-9443-2