Synthesis and Optical Properties of Au-Ag Alloy Nanoclusters with Controlled Composition

Table 1

Concentrations, 𝑓 values, and bulk free-electron gas parameters for Au/Ag alloys of different compositions.

Molar ratio of Au and Ag	𝐶Au𝑥Ag𝑥−1×10^−4 (g cm^−3)	𝑓 (g cm^−3)	𝑣𝑓×10^6 (ms^−1)	𝜔𝑑×10^13 (s^−1)	𝜔𝑝×10^16 (s^−1)
1/0	2.600	186.183	1.390	3.225	1.350
9/1	2.482	177.684	1.390	3.170	1.352
3/1	2.306	164.936	1.390	3.086	1.355
1/1	2.012	143.689	1.390	2.948	1.360
1/3	1.718	122.442	1.390	2.809	1.365
1/9	1.541	109.694	1.390	2.726	1.368
0/1	1.424	101.195	1.390	2.670	1.370