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. 2022 Dec 2;8(12):e12034. doi: 10.1016/j.heliyon.2022.e12034

Table 1.

Layer properties for simulation 60, 61, 62, 63, 64, 65, 66, 67, 69, 70, 77, 78, 79].

Parameters (unit) FTO WS2 Sb2Se3 Sb2S3
Thickness (nm) 50 30 1200 1200
Bandgap (eV) 3.60 2.20 1.20 1.62
Electron affinity (eV) 4 3.95 4.16 3.70
Dielectric permittivity 9 13.60 14.50 7.08
CB effective DOS (cm−3) 2.2×1018 2.2×1018 2×1018 2×1019
VB effective DOS (cm−3) 1.80×1019 1.80×1019 1019 1019
Electron mobility (cm2V−1s−1) 100 100 16.70 9.80
Hole mobility (cm2V−1s−1) 25 100 16.70 10
Donor density, ND (cm−3) 5×1018 1017 (Sb2Se3), 1018 (Sb2S3) 0 0
Acceptor density, NA (cm−3) 0 0 1013 1015
Defect type acceptor acceptor donor donor
Bulk defect density, Nt (cm−3) 1014 1018 1012 1012
Electron capture cross-section, σe (cm2) 10–15 10–15 10–15 10–15
Hole capture cross-section, σp (cm2) 10–15 10–15 10–15 10–15
Defect position above EV (eV) 0.6 0.6 0.6 0.6