Table 5.
The composition and the concentration of prepared bimetallic nanoparticles and the molar ratio with reagents used during the synthesis.
| Sample | %Au (mol/mol) | %Cu (mol/mol) | Cu/Au (mol/mol) | PVP/[Metal] (mol/mol) | Glucose/[Metal] (mol/mol) | NaOH/[Metal] (mol/mol) | [Metal] (mol/L) |
| Au | 100 | 0 | - | 3 | 2 | 8 | 0.011 |
| Au3Cu1 | 75 | 25 | 0.3 | 6 | 5 | 11 | 0.005 |
| Au1Cu1 | 50 | 50 | 1 | 9 | 7 | 13 | 0.005 |
| Au1Cu3 | 25 | 75 | 3 | 12 | 10 | 16 | 0.005 |
| Au1Cu6 | 16 | 84 | 6 | 13 | 10 | 17 | 0.005 |
| Cu | 0 | 100 | - | 15 | 12 | 18 | 0.017 |
| Sample | %Pd (mol/mol) | %Au (mol/mol) | Pd/Au (mol/mol) | PVP/[Metal] (mol/mol) | Glucose/[Metal] (mol/mol) | NaOH/[Metal] (mol/mol) | [Metal] (mol/L) |
| Pd | 100 | 0 | - | 2.75 | 2.00 | 8.00 | 0.005 |
| Pd3Au1 | 75 | 25 | 3 | 2.75 | 2.00 | 8.00 | 0.005 |
| Pd1Au0.5 | 67 | 33 | 2 | 2.75 | 2.00 | 8.00 | 0.005 |
| Pd1Au1 | 50 | 50 | 1 | 2.75 | 2.00 | 8.00 | 0.005 |
| Pd1Au2 | 33 | 67 | 0.5 | 2.75 | 2.00 | 8.00 | 0.005 |
| Pd1Au3 | 25 | 75 | 0.33 | 2.75 | 2.00 | 8.00 | 0.005 |
| Pd1Au6 | 14 | 86 | 0.16 | 2.75 | 2.00 | 8.00 | 0.005 |
| Pd1Au9 | 10 | 90 | 0.11 | 2.75 | 2.00 | 8.00 | 0.005 |
| Sample | %Pd (mol/mol) | %Au (mol/mol) | Pd/Au (mol/mol) | PVP/[Metal] (mol/mol) | Glucose/[Metal] (mol/mol) | NaOH/[Metal] (mol/mol) | [Metal] (mol/L) |
| Pd1Cu0.5 | 100 | 0 | 2 | 6.83 | 2.00 | 11.33 | 0.005 |
| Pd1Cu1 | 67 | 33 | 1 | 8.88 | 5.37 | 13.00 | 0.005 |
| Pd1Cu2 | 50 | 50 | 0.5 | 10.92 | 7.05 | 14.67 | 0.005 |
| Pd1Cu3 | 33 | 67 | 0.33 | 11.94 | 8.74 | 15.50 | 0.005 |
| Pd1Cu6 | 25 | 75 | 0.16 | 13.25 | 9.58 | 16.57 | 0.005 |