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<p>Solar power systems offer a hopeful solution to worldwide power requirements, which reduces environmental destruction. This paper investigates the development process and operational characteristics of Au/PSi/Au solar cells through an analysis of porous silicon properties with superior electrical features of gold. The combined characteristics of porous silicon, which comprise substantial surface area and adjustable porosity, enable better light trapping capabilities and photon absorption performance with gold electrodes that enhance charge transport and generate stable performance. Crystal structure engineering of Au/Psi/Au systems leverages these distinct materials to build platforms that enhance power conversion capabilities while stabilizing performance. Scientists produced a uniform Psi layer through silicon wafer anodization before applying gold electrodes through thermal evaporation techniques. The researchers conducted comprehensive structural analysis along with optical and electrical testing of solar cells through SEM imaging results integrated with PL spectroscopy and XRD data measurements. XRD analysis found crystalline peaks on the gold electrodes while revealing the porous silicon layer remains amorphous to create both better light capture and increased absorption. The combination of better light absorption capabilities with improved charge carrier movement brought solar cells (Au/Psi/Au) to reach 15% (with reduced reflectance (&lt; 5%) Power conversion efficiency (PCE) in normal illumination tests. These solar cells executed 1000&#xa0;h of thermal cycling tests, which indicated outstanding performance because they retained 98% of their efficiency while enduring both mechanical strain and heat exposure. The results indicate the robust potential for durable practical usage.</p>

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Fabrication and characterization of Au/Psi/Au solar cells

  • 期刊论文

  • 发表日期：

    2025年3月29日

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  • Samah A. Al-Heeti,
  • Zinah Abdulateef Abbas,
  • Ghasaq A. Tomaa,
  • Alaa J. Ghazai,
  • Omar A. Jasim

摘要

Solar power systems offer a hopeful solution to worldwide power requirements, which reduces environmental destruction. This paper investigates the development process and operational characteristics of Au/PSi/Au solar cells through an analysis of porous silicon properties with superior electrical features of gold. The combined characteristics of porous silicon, which comprise substantial surface area and adjustable porosity, enable better light trapping capabilities and photon absorption performance with gold electrodes that enhance charge transport and generate stable performance. Crystal structure engineering of Au/Psi/Au systems leverages these distinct materials to build platforms that enhance power conversion capabilities while stabilizing performance. Scientists produced a uniform Psi layer through silicon wafer anodization before applying gold electrodes through thermal evaporation techniques. The researchers conducted comprehensive structural analysis along with optical and electrical testing of solar cells through SEM imaging results integrated with PL spectroscopy and XRD data measurements. XRD analysis found crystalline peaks on the gold electrodes while revealing the porous silicon layer remains amorphous to create both better light capture and increased absorption. The combination of better light absorption capabilities with improved charge carrier movement brought solar cells (Au/Psi/Au) to reach 15% (with reduced reflectance (< 5%) Power conversion efficiency (PCE) in normal illumination tests. These solar cells executed 1000 h of thermal cycling tests, which indicated outstanding performance because they retained 98% of their efficiency while enduring both mechanical strain and heat exposure. The results indicate the robust potential for durable practical usage.