Table 1. parameters calculated from XRD and TEM analysis.
| Sample | Average particle size (TEM) nm | Particle size (XRD) nm | Lattice parameters (TEM) Å | Lattice parameters (XRD) Å |
| Pt/C | 4 ± 1 | 6 | 3.92 | 3.92 |
| Pt–Cr 10 | 6 ± 2 | 9 | 3.89 | 3.90 |
| Pt–Cr 20 | 6 ± 2 | 8 | 3.85 | 3.89 |
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