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<p>Today, organic tin-based perovskite solar cell is a new emerging technology. Different experimental research has proven that the best-suited candidate for this group of perovskites is FASnI<sub>3</sub>. The experimental data on external quantum efficiency integrated short circuit current density and photo responsivity are readily available in different research papers. This X-site anion, i.e., iodine (I), can also be replaced by bromine (Br) and chlorine (Cl). Still, no such experimental data of the above-mentioned parameters of FASnX<sub>3</sub>, MASnX<sub>3</sub> (X = Cl, Br) is available in the literature. In this research, we have predicted the nature of the external quantum efficiency curve (EQE) and responsivity (<i>R</i>) with respect to the frequency of light by simulation, where MA and FA mean Methylammonium and Formamidinium, respectively. The knowledge of responsivity variation with respect to the input optical frequency of any organic tin-based perovskite is essential for photodetector application. From the responsivity variation curve, it can be easily observed which frequency of incident optical light the responsivity is maximum and minimum.</p>

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Prediction of Responsivity for Organic Tin-Based Perovskites

  • 期刊论文

  • 发表日期：

    2025年5月19日

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  • Saurabh Basak,
  • Tanmay Sinha Roy,
  • Bansari Deb Majumder

摘要

Today, organic tin-based perovskite solar cell is a new emerging technology. Different experimental research has proven that the best-suited candidate for this group of perovskites is FASnI3. The experimental data on external quantum efficiency integrated short circuit current density and photo responsivity are readily available in different research papers. This X-site anion, i.e., iodine (I), can also be replaced by bromine (Br) and chlorine (Cl). Still, no such experimental data of the above-mentioned parameters of FASnX3, MASnX3 (X = Cl, Br) is available in the literature. In this research, we have predicted the nature of the external quantum efficiency curve (EQE) and responsivity (R) with respect to the frequency of light by simulation, where MA and FA mean Methylammonium and Formamidinium, respectively. The knowledge of responsivity variation with respect to the input optical frequency of any organic tin-based perovskite is essential for photodetector application. From the responsivity variation curve, it can be easily observed which frequency of incident optical light the responsivity is maximum and minimum.