Table 8 Defect characteristics of SnS2, CMTS, and CZTS.
From: The performance of Cu2MnSnS4 based solar cells with CZTS as hole transport nanolayer
Parameter | SnS2 10 | Cu2MnSnS4 9 | Cu2ZnSnS4 21 |
|---|---|---|---|
Defect type | Donor-like | Acceptor-like | Acceptor-like |
Energetic distribution | Gaussian | Gaussian | Gaussian |
Nt (cm− 3) | 1010-1018 | 1010-1018 | 1010-1018 |
ED, EA (eV) | Mid-gap | 0.8 | 0.6 |
WG (eV) | 0.1 | 0.1 | 0.1 |
Capture cross section of electrons Sn (cm2) | 10− 15 | 10− 15 | 10− 16 |
Capture cross-section of holes Sp (cm2) | 10− 15 | 10− 15 | 10− 14 |
