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The calculated parameters of the GNWs/HfO2/Si photodetectors with different thicknesses of HfO2.
| Thickness (nm) |
PDCR @ 0 V |
Responsivity (A/W) |
Ideal Factor | Schottky Barrier Height (eV) |
|---|---|---|---|---|
| 0 | 69 | 0.058 | 1.35 ± 0.02 | 0.82 ± 0.02 |
| 1 | 113 | 0.18 | 1.24 ± 0.02 | 0.85 ± 0.02 |
| 3 | 617 | 0.19 | 1.17 ± 0.02 | 0.87 ± 0.02 |
| 5 | 425 | 0.08 | 1.33 ± 0.02 | 0.86 ± 0.02 |
