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<p>The present study investigates the efficiency of Cyclic Olefin Copolymer (COC) combined with Magnesium Fluoride (MgF<sub>2</sub>) as an antireflective sheet for boosting the power conversion efficiency (PCE) of solar photovoltaic cells. The anti-reflective sheets were prepared by incorporating MgF<sub>2</sub> at varying weight percentages of 1–4 wt% with COC and labelled as COCM1, COCM2, COCM3, and COCM4 respectively. The anti-reflective sheets were fabricated using fused deposition modelling (3D printing) technique to ensure precise and uniform layer deposition. Optical, electrical, and structural characteristics of the sheets were systematically evaluated. The photovoltaic sample covered with COCM3 sheet showed minimum reflection of 5.27% respectively. Among the samples, COCM3 (3wt% of MgF<sub>2</sub>) demonstrated the lowest resistivity of 5.38 × 10<sup>–3</sup> Ω-cm, highest hall mobility of 12.66 cm<sup>2</sup>&#xa0;V<sup>−1</sup>&#xa0;s<sup>−1</sup>, and maximum carrier concentration of 35.53 × 10<sup>20</sup>&#xa0;cm<sup>−3</sup> respectively. Correspondingly, COCM3 exhibited the highest PCE of 16.41% in sunlight exposure and 18.02% in controlled atmosphere, indicating superior antireflective performance. The results highlight that the addition of an optimum MgF<sub>2</sub> concentration prominently increases the electrical and optical behaviour of the anti-reflective sheets, establishing 3wt% as the ideal loading for enhancing solar cell performance. This research confirms the potential of COCM antireflective sheets as an effective and optimal anti-reflective material for photovoltaic applications.</p>

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Enhanced Photovoltaic Performance of Silicon Solar Cells Using 3D Printed COC/MgF₂ Antireflective Sheets: Optimization of MgF2 Loading for Maximum Efficiency

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • Raja Gunasekaran,
  • Gobinath Velu Kaliyannan,
  • Rajasekar Rathanasamy,
  • Prashanth Shanmugam

摘要

The present study investigates the efficiency of Cyclic Olefin Copolymer (COC) combined with Magnesium Fluoride (MgF2) as an antireflective sheet for boosting the power conversion efficiency (PCE) of solar photovoltaic cells. The anti-reflective sheets were prepared by incorporating MgF2 at varying weight percentages of 1–4 wt% with COC and labelled as COCM1, COCM2, COCM3, and COCM4 respectively. The anti-reflective sheets were fabricated using fused deposition modelling (3D printing) technique to ensure precise and uniform layer deposition. Optical, electrical, and structural characteristics of the sheets were systematically evaluated. The photovoltaic sample covered with COCM3 sheet showed minimum reflection of 5.27% respectively. Among the samples, COCM3 (3wt% of MgF2) demonstrated the lowest resistivity of 5.38 × 10–3 Ω-cm, highest hall mobility of 12.66 cm2 V−1 s−1, and maximum carrier concentration of 35.53 × 1020 cm−3 respectively. Correspondingly, COCM3 exhibited the highest PCE of 16.41% in sunlight exposure and 18.02% in controlled atmosphere, indicating superior antireflective performance. The results highlight that the addition of an optimum MgF2 concentration prominently increases the electrical and optical behaviour of the anti-reflective sheets, establishing 3wt% as the ideal loading for enhancing solar cell performance. This research confirms the potential of COCM antireflective sheets as an effective and optimal anti-reflective material for photovoltaic applications.