Research Article
Spectroscopic Analysis of Au-Cu Alloy Nanoparticles of Various Compositions Synthesized by a Chemical Reduction Method
Table 3
UV-Visible spectral characteristics of Au-Cu alloy nanoparticles in different ratios.
| S. number | Au : Cu | of Au | of Cu | Absorbance | /M−1cm−1 | λmax/nm |
| 1 | 3 : 1 | 0.7 | 0.25 | 0.93 | 284.23 | 490 | 2 | 2 : 1 | 0.6 | 0.33 | 0.85 | 220.53 | 495 | 3 | 1 : 1 | 0.5 | 0.5 | 0.65 | 186.66 | 500 | 4 | 1 : 2 | 0.4 | 0.6 | 0.5 | 143.68 | 530 | 5 | 1 : 3 | 0.3 | 0.7 | 0.33 | 116.89 | 555 |
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