Table 1 Semimetals or Weyl materials based photodetectors.
Sr. No | Material | Wavelength | Responstivity (mA/W) | Detectivity (Jones) | Ref |
|---|---|---|---|---|---|
1 | TaAs | 438.5 nm | 179 × 10–3 | 4.5 × 107 | |
2.82 µm | 78 × 10–3 | 1.88 × 107 | |||
10.29 µm | 88 × 10–3 | 2.34 × 107 | |||
2 | MoTe2 | 532 nm | 0.40 | 1.07 × 108 | |
10.6 µm | 4.15 × 10–2 | 9.1 × 106 | |||
3 | TaIrTe4 | 633 nm | 0.34 | 2.7 × 107 | |
4 µm | 30.2 × 10–3 | 2.5 × 106 | |||
10.6 µm | 20 × 10–3 | 1.4 × 106 | |||
4 | SnTe | 940 nm | 1710 | 3.46 × 1011 | |
5 | MoTe2-graphene | 1300 nm | 200 | ||
6 | Graphene quantum dot | 800 nm | 500 | - | |
400 nm | 200 | 1.1 × 1011 | |||
7 | PtTe2 | 633 nm | 0.034 | – | |
8 | SmB6 | 10.6 µm | 1.99 | 2.5 × 107 | |
9 | ZrTe5 | 632 nm | 4.5 | – | |
10 | Cd3As2 | 633 nm | 5.88 | – | |
11 | WTe2 | 532 nm | 29 × 103 | 3.6 × 108 | This work |
