Corrigendum to "Simulation and Optimization of Lead-Based Perovskite Solar Cells with Cuprous Oxide as a P-type Inorganic Layer [J. Nig. Soc. Phys. Sci. 1 (2019) 72–81, https://doi.org/10.46481/jnsps.2019.13]". J. Nig. Soc. Phys. Sci. 2021;3(3):190-190. doi:10.46481/jnsps.2021.332