Table 2.
The detailed bandgaps, CBM, VBM and effective masses (m0) of CsPbI3/J-TMDs heterojunctions
| Contacted surface | MoS2 | MoSSe |
MoSTe |
WSTe |
||||
|---|---|---|---|---|---|---|---|---|
| S- | Se- | S- | Te- | S- | Te- | |||
| CsI- | Eg (CsI) | 1.79 | 1.72 | 1.69 | 1.90 | 1.80 | 1.89 | 1.85 |
| Eg (MXY) | 1.97 | 1.96 | 1.96 | 1.73 | 1.64 | 1.92 | 1.75 | |
| CBM | Mo-d | Mo-d | Mo-d | Mo-d | Cs-p | Mo-d | Cs-p | |
| VBM | I-p | I-p | I-p | I-p | Mo-d | I-p | Mo-d | |
| me∗ | 0.43 | 0.59 | 0.61 | 0.55 | 0.20 | 0.55 | 0.15 | |
| mh∗ | 0.26 | 0.23 | 0.22 | 0.23 | 1.28 | 0.34 | 1.23 | |
| PbI- | Eg (CsI) | 1.76 | 1.80 | 1.88 | 1.96 | 1.94 | 2.04 | 2.02 |
| Eg (MXY) | 2.05 | 1.96 | 1.85 | 1.49 | 1.52 | 1.57 | 1.58 | |
| CBM | Mo-d | Mo-d | Mo-d | Mo-d | Cs-p | Mo-d | Cs-p | |
| VBM | I-p | I-p | I-p | I-p | Mo-d | I-p | Mo-d | |
| me∗ | 0.41 | 0.66 | 0.61 | 0.54 | 0.21 | 0.50 | 0.18 | |
| mh∗ | 0.29 | 0.24 | 0.19 | 0.20 | 1.36 | 0.25 | 1.47 | |