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. 2023 Feb 13;13:2521. doi: 10.1038/s41598-023-28506-2

Table 3.

Input optimization parameters HTL the study56.

HTL Cu2O CuSCN CuSbS2 P3HT PEDOT: PSS Spiro-MeOTAD NiO CuI CuO V2O5 CFTS CBTS
Thickness (nm) 50 50 50 50 50 200 100 100 50 100 100 100
Band gap, Eg (eV) 2.2 3.6 1.58 1.7 1.6 3 3.8 3.1 1.51 2.20 1.3 1.9
Electron affinity, Χ (eV) 3.4 1.7 4.2 3.5 3.4 2.2 1.46 2.1 4.07 4.00 3.3 3.6
Dielectric permittivity (relative), εr 7.5 10 14.6 3 3 3 10.7 6.5 18.1 10.00 9 5.4
CB effective density of states, NC (1/cm3) 2 × 1019 2.2 × 1019 2 × 1018 2 × 1021 2.2 × 1018 2.2 × 1018 2.8 × 1019 2.8 × 1019 2.2 × 1019 9.2 × 1017 2.2 × 1018 2.2 × 1018
VB effective density of states, NV (1/cm3) 1 × 1019 1.8 × 1018 1 × 101 2 × 1021 1.8 × 1019 1.8 × 1019 1 × 1019 1 × 1019 5.5 × 1020 5.0 × 1018 1.8 × 1019 1.8 × 1019
Electron mobility, µn (cm2/Vs) 200 100 49 1.8 × 10−3 4.5 × 10–2 2.1 × 10–3 12 100 100 3.2 × 102 21.98 30
Hole mobility, µh (cm2/Vs) 8600 25 49 1.86 × 10−2 4.5 × 10–2 2.16 × 10–3 2.8 43.9 0.1 4.0 × 101 21.98 10
Shallow uniform acceptor density, NA (1/cm3) 1 × 1018 1 × 1018 1 × 1018 1 × 1018 1 × 1018 1.0 × 1018 1 × 1018 1.0 × 1018 1 × 1018 1 × 1018 1 × 1018 1 × 1018
Shallow uniform donor density, ND (1/cm3) 0 0 0 0 0 0 0 0 0 0 0 0
Defect density, Nt (1/cm3) 1.0 × 1015* 1 × 1015* 1 × 1015* 1 × 1015* 1 × 1015* 1.0 × 1015* 1 × 1015* 1.0 × 1015* 1 × 1015* 1 × 1015* 1 × 1015* 1 × 1015*

*In this study.