Au mole ratio of samples synthesized under various residence times at different ratios of Au3+:Ag+. Au-Ag alloy NPs with the Abs. peak of 509 nm were synthesized with the Au3+:Ag+ ratio of 1:10 at 120°C at 40 s.
Sun et al. Nanoscale Research Letters 2012 7:225 doi:10.1186/1556-276X-7-225