Maurya K K, Singh V N
Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India.
Indian Reference Materials (BND) Division, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi 110012, India.
Heliyon. 2022 Oct 7;8(10):e10925. doi: 10.1016/j.heliyon.2022.e10925. eCollection 2022 Oct.
Perovskite-based solar cells (PSCs) have recently gained much attention due to their distinctive optical and electrical properties. Cesium titanium fluoride (CsTiF) is an example of lead-free perovskite absorber material with a bandgap of 1.9 eV, making it suitable for a solar device. However, the high cost of the hole transport material (HTM) and other considerations prevent their commercial production. Antimony selenide (SbSe) is well suited for HTM as it is low-cost material with a tunable bandgap. The work presents the TiO/CsTiF/SbSe-based solar cell performance using SCAPS-1D simulation software. The effect of all the active layer thicknesses, defect density, hole-electron mobility, and temperature on the device is also simulated. I-V, C-V, and QE curves and energy band diagrams show the photovoltaic device's excellent performance. The outputs are competent enough with an efficiency of 22.10 % when SbSe is used as a hole transport layer (HTL) in the device architecture. The results suggest that the lead-free solar cell is a promising future option for the solar cell community regarding environmental friendliness and high efficiency.
基于钙钛矿的太阳能电池（PSC）因其独特的光学和电学性质，近来备受关注。氟化铯钛（CsTiF）是一种无铅钙钛矿吸收材料，其带隙为1.9电子伏特，适用于太阳能器件。然而，空穴传输材料（HTM）的高成本及其他因素阻碍了它们的商业化生产。硒化锑（SbSe）作为一种低成本且带隙可调的材料，非常适合用作空穴传输材料。这项工作使用SCAPS - 1D模拟软件展示了基于TiO/CsTiF/SbSe的太阳能电池性能。还模拟了所有有源层厚度、缺陷密度、空穴 - 电子迁移率和温度对器件的影响。电流 - 电压（I - V）、电容 - 电压（C - V）和量子效率（QE）曲线以及能带图显示了该光电器件的优异性能。当在器件结构中使用SbSe作为空穴传输层（HTL）时，输出效率达到22.10%，表现出色。结果表明，就环境友好性和高效率而言，无铅太阳能电池是太阳能电池领域未来一个很有前景的选择。
