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Table 2 Energy band information calculated from UPS spectra

From: Enhanced Photovoltaic Properties in Sb2S3 Planar Heterojunction Solar Cell with a Fast Selenylation Approach

Materials Eg (eV) VBM (eV) Ws (eV) Ec (eV) Ev (eV)
CdS 2.40 1.87 4.70 − 4.17 − 6.57
Sb2Se3 1.21 0.52 4.45 − 3.76 − 5.08
Sb2S3 1.61 1.02 4.35 − 3.76 − 5.37