Development of Software for the Analysis of the Current–Voltage Characteristics of Perovskite Solar Cells based on One- and Two-Diode Models

The study is devoted to the development of a model for the analysis of current–voltage characteristics (CVCs) of perovskite based solar cells. Using the high-level programming language Python, programs have been developed for the theoretical calculation of the CVCs of perovskite based solar cells using the one- and two-diode models. The calculation results are compared with the experimental data on the CVCs of a perovskite solar cell consisting of an electron-conducting layer (n-type) SnO2 and SNO2–KCl. It has been established that the mathematical two-diode model most adequately reproduces the CVCs of perovskite based solar cells, especially under conditions of lower illumination. The developed program can be used to calculate and predict the CVCs for more efficient control of the output parameters of perovskite based solar cells.

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