Journal
JAPANESE JOURNAL OF APPLIED PHYSICS
Volume 61, Issue 6, Pages -Publisher
IOP Publishing Ltd
DOI: 10.35848/1347-4065/ac6a33
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Funding
- Universiti Kebangsaan Malaysia [DIP-2021-026]
- King Saud University, Riyadh, Saudi Arabia [RSP-2021/34]
- Prince of Songkla University
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This study models and optimizes the fabrication process of CsGeI3-based perovskite solar cells, and finds that a thickness of 700 nm is ideal. The proposed structure exhibits lower activation energy and higher thermal stability. The quantum efficiency is high in the visible light wavelength range.
This study models and optimizes the CsGeI3-based perovskite solar cell with an n-i-p for practical fabrication. This simulation determined that power conversion efficiency (PCE) has practically saturated over 700 nm of thickness, and the increase rate is barely 0.15 percent up to 1100 nm. a thickness of 700 nm as the ideal thickness for further investigation. Proposed structure exhibits lower activation energy of 1.40 eV and higher thermal stability compared to others. Defect tolerance limits are found for the interfaces are 1 x 10(15) cm(-3) cm(-3), respectively. At visible light wavelengths of 400-800 nm, the quantum efficiency is quite high. At the hole transport layer/metal junction, the built-in potential (V-bi) was determined in the range between 0.81 and 0.96 V. When fluorine-doped tin oxide is utilized as the front electrode and gold as the back electrode, the device's performance is at its best.
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