Table 1 Summary of NP size distributions, spacing between particles, and surface densities
Samples | NP diameter range in nm (mean) | NP to NP distance range in nm (mean) | Number of NPs on 245 × 169 nm (percentage of area coverage by NPs) | ||||
|---|---|---|---|---|---|---|---|
Au NPs | Ag NPs | Au-Au NPs | Ag-Ag NPs | Au-Ag NPs | Au NPs | Ag NPs | |
Au NPs on glass | 9.6 to 352.4 (130.5) | 90.0 to 318.2 (193) | 97 (37.9) | ||||
Ag NPs on glass | 7.8 to 111.7 (48.2) | 45.4 to 118.2 (63.8) | 1,451 (42.4) | ||||
AuAg NPs on glass | 7.8 to 254.4 (124.5) | 16.2 to 109.3 (43.8) | 118.2 to 272.3 (180.9) | 36.3 to 90.9 (58.48) | 36.3 to 181.9 (61.2) | 114 (23.5) | 1,044 (25.6) |
Au NPs on a-Si | 13.5 to 162.4 (108.5) | 90.0 to 363.4 (198) | 135 (19.3) | ||||
Ag NPs on a-Si | 5.5 to 111.7 (52.2) | 3.3 to 109 (62.2) | 1,211 (42.4) | ||||
AuAg NPs on a-Si | 37.6 to 105.1 (100.5) | 7.8 to 126.8 (60.76) | 127.3 to 290.1 (201.0) | 45.5 to 118.2 (70.0) | 36.3 to 145.5 (105) | 149 (20.3) | 544 (30.3) |