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<p>This study investigates the use of plasmonic Au nanowires embedded in the perovskite absorber layer to enhance the optical performance of perovskite solar cells. Finite-difference time-domain simulations are employed to analyze the effects of nanowire geometry, periodicity, and position on light absorption. The optimized structure exhibits an absorption enhancement of approximately 8% compared to the bare device. These improvements are attributed to localized surface plasmon resonances induced by the Au nanowires, which enhance near-field intensity and light trapping within the perovskite layer. The short-circuit current density (J<sub>SC</sub>) is calculated from the generation rate, and the J<sub>SC</sub> increased from 19.80&#xa0;mA/cm<sup>2</sup> in the bare device to 22.1&#xa0;mA/cm<sup>2</sup> in the optimized device. The results provide practical guidelines for the design of high-efficiency plasmon-enhanced perovskite solar cells.</p>

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Plasmonic enhancement of perovskite solar cells using embedded Au nanowires: an FDTD study

  • 期刊论文

  • 发表日期：

    2026年7月25日

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  • Maliheh Abdi,
  • Hamed Taghipour Farshi,
  • Moammad Ali Tavakoli Ghazi Jahani,
  • Hamed Alipour-Banaei,
  • Shahram Mojtahedzadeh

摘要

This study investigates the use of plasmonic Au nanowires embedded in the perovskite absorber layer to enhance the optical performance of perovskite solar cells. Finite-difference time-domain simulations are employed to analyze the effects of nanowire geometry, periodicity, and position on light absorption. The optimized structure exhibits an absorption enhancement of approximately 8% compared to the bare device. These improvements are attributed to localized surface plasmon resonances induced by the Au nanowires, which enhance near-field intensity and light trapping within the perovskite layer. The short-circuit current density (JSC) is calculated from the generation rate, and the JSC increased from 19.80 mA/cm2 in the bare device to 22.1 mA/cm2 in the optimized device. The results provide practical guidelines for the design of high-efficiency plasmon-enhanced perovskite solar cells.