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The perovskite solar cells (PSCs) have become the fastest-growing photovoltaic (PV) cells to date. Despite its numerous merits, these cells face issues, such as poor stability, toxicity, etc. The issue of toxicity is dealt by using less-toxic substitutes of lead (Pb), such as Tin (Sn). However, the performance attained by Sn-based PSCs still lags behind Pb based PSCs to a great extent. In this work, we discuss some of the desirable electron transport layers (ETLs) and hole transport layers (HTLs) that can be used to fabricate an efficient Sn-based PSC, and report their performance. HTLs, such as “Spiro-OMeTAD”, Graphene, PEDOT:PSS, Cu2O, CuI, CuSCN and ETLs, such as ZnO, TiO2, PCBM are used in this study. We also simulate three different Sn perovskite materials based PSCs, (i) MASnI3 (ii) FASnI3 and (iii) CsSn0.5Ge0.5I3. We study theoretically the performance of the PSCs with various transport layers and absorber layers by varying the temperature from 300 K to 400 K.
Roy et al. (2021) studied this question.