Nanostructure based perovskite solar cell with high performance is the emphasis of study in current work keeping in view the improvement in cell efficiency. In the first part of the study, a plane-layered solar cell is studied by adding a 1D photonic crystal at the bottom of the cell in order to facilitate the photon rotation process. However, in the second part of the study, it is observed that addition of grating enhances the light absorption due to photons trapping. Following that, the light absorption of three different structures is compared. The observations reveal that short-circuit current density (Jsc) is found to be -39.93 mA/cm2, which is 87.29% higher than that for a planar structure exhibiting the Jsc value as -21.32 mA/cm2. Ultimately, the efficiencies of these perovskite solar cells based on nanostructures are observed to be significant as well. For the proposed solar cell structure, an 87.24% improvement in the power conversion efficiency (PCE) is observed i.e., from 14.03% for the planar structure to 26.27%.
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