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<p>Advanced multifunctional materials for renewable energy applications and its performance optimization become potential. The present work reveals structural morphology and its size variation of bi-function NaYF<sub>4</sub>:Er<sup>3+</sup>/Yb<sup>3+</sup> influence on the energy conversion performance of dye-sensitized and lead-free perovskite solar cells. Through a facile hydrothermal method, by varying of pH of the materials, the shape and size of the resultant compound are changed. X-ray diffraction (XRD) confirms its phase, and the scanning electron microscopy (SEM) studies witnessed its shapes with size variation. Results of emission, reflectance studies support bi-function property of upconversion (UC), light scatter nature. NaYF<sub>4</sub>:Er<sup>3+</sup>/Yb<sup>3+</sup> with pH 3-assisted co-sensitize dye-sensitized solar cells revealed higher power conversion efficiency (PCE) of 12.77% compared to other devices of UC-5, UC-7, and UC-9. The lead-free CH<sub>3</sub>NH<sub>3</sub>SnI<sub>3</sub> (MASnI<sub>3</sub>)-based perovskite solar cell attained 1.36% power conversion efficiency.</p>

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Bi-function NaYF4:Er3+/Yb3+ structural morphology influence on dye-sensitized and lead-free perovskite solar cell's performance

  • 期刊论文

  • 发表日期：

    2025年3月11日

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  • Meenakshamma Ambapuram,
  • Neeraja Adike,
  • Gurulakshmi Maddala,
  • D. Haranath,
  • Lalit Goswami,
  • Govind Gupta,
  • Mitty Raghavender

摘要

Advanced multifunctional materials for renewable energy applications and its performance optimization become potential. The present work reveals structural morphology and its size variation of bi-function NaYF4:Er3+/Yb3+ influence on the energy conversion performance of dye-sensitized and lead-free perovskite solar cells. Through a facile hydrothermal method, by varying of pH of the materials, the shape and size of the resultant compound are changed. X-ray diffraction (XRD) confirms its phase, and the scanning electron microscopy (SEM) studies witnessed its shapes with size variation. Results of emission, reflectance studies support bi-function property of upconversion (UC), light scatter nature. NaYF4:Er3+/Yb3+ with pH 3-assisted co-sensitize dye-sensitized solar cells revealed higher power conversion efficiency (PCE) of 12.77% compared to other devices of UC-5, UC-7, and UC-9. The lead-free CH3NH3SnI3 (MASnI3)-based perovskite solar cell attained 1.36% power conversion efficiency.