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. 2022 Feb 23;14(5):889. doi: 10.3390/polym14050889

Figure 4.

Figure 4

Performance characteristics such as (a) Voc, (b) fill factor, (c) Isc, and (d) PCE of the proposed ITO/PEDOT:PSS/PTb7:PC70BM/PFN-Br/Ag solar cell as a function of the PEDOT:PSS (HTL) doping density.