Fig. 5

Contour mapping of PCE with respect to varying absorber defect density (Nt) and acceptor density (NA) for a CdS, b Nb2O5, c ZnSe, and d MZO ETL configured devices.

Contour mapping of PCE with respect to varying absorber defect density (Nt) and acceptor density (NA) for a CdS, b Nb2O5, c ZnSe, and d MZO ETL configured devices.