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Abyan Abdillah Saoloan Panjaitan
Department of Materials Engineering, Faculty of Industrial Technology, Institut Teknologi Sumatera (ITERA), Lampung 35365, Indonesia
Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Materials Science & Nanotechnology

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Design and Optimization of CsPbI3 Perovskite Solar Cells Using SCAPS-1D Muhamad Kevin Ristiansyah; Bayu Prasetya; Mochammad Ghulam Isaq Khan; Muhammad Yasin Siregar; Abyan Abdillah Saoloan Panjaitan; Eri Widianto; Eka Nurfani
Greensusmater Vol. 3 No. 1 (2026)
Publisher : Green and Sustainable Materials Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62755/gsm.2026.04

Abstract

This study investigates the optimization of CsPbI<sub>3</sub>-based perovskite solar cells using SCAPS-1D simulation with a device structure of FTO/ZnO/CsPbI<sub>3</sub>/Spiro-OMeTAD/metal. Key parameters, including absorber thickness, defect density, acceptor concentration, and transport layer properties, were systematically analyzed. The results show that absorber thickness significantly affects device performance, with an optimal thickness of 1.6 μm yielding an efficiency of 17.66%. Optimization of defect density and acceptor concentration further enhances device performance. After overall optimization, the power conversion efficiency increases from 16.3% to 23.1%, with *V*<sub>oc</sub> improving from 1.19 V to 1.39 V, *J*<sub>sc</sub> from 18.33 to 20.5 mA/cm<sup>2</sup>, and FF from 75.2% to 87.4%. The improvement is supported by enhanced J–V characteristics and near-unity quantum efficiency over a wide wavelength range. These results demonstrate that parameter optimization plays a crucial role in achieving high-performance CsPbI<sub>3</sub> perovskite solar cells.
Co-Authors Bayu Prasetya Eka Nurfani Eri Widianto Mochammad Ghulam Isaq Khan Muhamad Kevin Ristiansyah Muhammad Yasin Siregar