通过优化MgF2纹理表面工程提高钙钛矿太阳能电池的效率:光管理优化

IF 3 Q2 PHYSICS, CONDENSED MATTER
Vishal Yadav , Rahul Pandey , Jaya Madan
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引用次数: 0

摘要

钙钛矿太阳能电池(PSCs)的最佳光管理对于提高器件的光子吸收和整体性能至关重要。在本研究中,我们将MgF2纹理面应用于PSCs,并对纹理面棱锥角(54°~ 55°)、偏移量(0 ~ 1 μm)和折射率(1.4 ~ 2.0)等参数进行了优化。采用优化后的棱锥角(54.4°)、偏移量(0 μm)和反射指数(1.4)的织构表面,提高了光产生率和短路电流密度(JSC) 26.24 mA cm−2,剩余的光伏(PV)参数为:开路电压(VOC) 1.228 V,填充系数(FF) 77.86%,功率转换效率(PCE) 25.10%。利用电流密度电压曲线(J-V)、外量子效率(EQE)、光生率和光强分布对所有PSC器件进行了分析。提出的前表面设计可以为高效利用光谱和开发先进的高效PSC铺平道路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficiency enhancement in perovskite solar cells through optimized MgF2 textured surface engineering: Light-management optimization
Optimal light management in perovskite solar cells (PSCs) is very crucial to increase the photon absorption and overall performance of the device. In the present study, an MgF2 textured front surface has been applied to the PSCs followed by the optimization of different parameters including pyramid angle (54°–55°), offset (0–1 μm), and refractive index of textured surface (1.4–2.0). The presence of a textured surface with optimized parameters of pyramid angle (54.4°), offset (0 μm), and reflective index (1.4) resulted in an enhanced photogeneration rate and short circuit current density (JSC) 26.24 mA cm−2 with remaining photovoltaic (PV) parameters: open circuit voltage (VOC) 1.228 V, fill factor (FF) 77.86 % and power conversion efficiency (PCE) 25.10 %. All the PSC devices are analyzed with the help of the current density voltage curve (J-V), external quantum efficiency (EQE), photogeneration rate, and optical intensity profile within the device structure. The proposed front surface design may pave the way for the efficient utilization of optical spectrum and for the development of advanced high-efficiency PSC.
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CiteScore
6.50
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