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<p>This study investigates the synergistic implementation of nanophotonic and plasmonic structures to enhance the efficiency of perovskite solar cells (PSCs). The research focuses on integrating periodic grating nanostructures and plasmonic nanoparticles (NPs) to improve light harvesting in ultra-thin PSCs. Finite-difference time-domain (FDTD) simulations were employed to optimize the geometric parameters of circular and square gratings and silver core–shell nanoparticles. The results demonstrate that combining optimized gratings and plasmonic NPs significantly increases light absorption and photocurrent generation. The proposed structure, incorporating circular gratings and Ag@SiO<sub>2</sub> core–shell NPs, achieved a remarkable photocurrent of 25.24&#xa0;mA/cm<sup>2</sup>, compared to 18.8&#xa0;mA/cm<sup>2</sup> for the bare structure. This substantial improvement is attributed to the synergistic effects of extended optical path length from grating-induced light trapping and localized surface plasmon resonances from the NPs. The study provides valuable insights into designing and optimizing high-efficiency, ultra-thin perovskite solar cells, paving the way for their commercial viability and contributing to sustainable energy solutions.</p>

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Synergistic Implementation of Nanophotonic and Plasmonic Structures for High-Efficiency Perovskite Solar Cells

  • 期刊论文

  • 发表日期：

    2025年2月25日

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  • Hamid Bahador,
  • Abolfazl Jangjoy,
  • Fatemeh Aghaei

摘要

This study investigates the synergistic implementation of nanophotonic and plasmonic structures to enhance the efficiency of perovskite solar cells (PSCs). The research focuses on integrating periodic grating nanostructures and plasmonic nanoparticles (NPs) to improve light harvesting in ultra-thin PSCs. Finite-difference time-domain (FDTD) simulations were employed to optimize the geometric parameters of circular and square gratings and silver core–shell nanoparticles. The results demonstrate that combining optimized gratings and plasmonic NPs significantly increases light absorption and photocurrent generation. The proposed structure, incorporating circular gratings and Ag@SiO2 core–shell NPs, achieved a remarkable photocurrent of 25.24 mA/cm2, compared to 18.8 mA/cm2 for the bare structure. This substantial improvement is attributed to the synergistic effects of extended optical path length from grating-induced light trapping and localized surface plasmon resonances from the NPs. The study provides valuable insights into designing and optimizing high-efficiency, ultra-thin perovskite solar cells, paving the way for their commercial viability and contributing to sustainable energy solutions.