Fig. 6
From: Unveiling the role of dual grading in device optimization of HTL-free Sb2(S, Se)3 solar cells

Energy band diagram and Quasi Fermi level gradient at open circuit at absorber with (a) NA = 3 × 1015 cm−3 and (b) graded NA.
From: Unveiling the role of dual grading in device optimization of HTL-free Sb2(S, Se)3 solar cells
Energy band diagram and Quasi Fermi level gradient at open circuit at absorber with (a) NA = 3 × 1015 cm−3 and (b) graded NA.