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15 November 2022 Simulation of perovskite solar cells with double-sided textured structure
Bowen Fang, Le Chen, Wei Luo, Chen Zhu, Qinlin Ke, Wentao Zhang, Ying Xue
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Proceedings Volume 12448, 5th Optics Young Scientist Summit (OYSS 2022); 124481Q (2022) https://doi.org/10.1117/12.2626722
Event: 5th Optics Young Scientist Summit (OYSS 2022), 2022, Fuzhou, China
Abstract
Perovskite solar cells have been widely used because of their high photoelectric conversion efficiency. It has been shown that the light-trapping structure can enhance absorption and reduce the additional light energy loss. Therefore, we propose a feasible method to construct pit array texture structures at the top and bottom of the glass respectively, and deposit solar cell materials on the substrate in turn. The primary mechanism of absorption enhancement of three different texture cells is simulated by the finite difference time domain method, and their limit efficiency is calculated and compared with planar devices. The results show that the perovskite solar cell with a double-sided textured structure has better anti-reflection and light capture characteristics. The light absorption is significantly improved in the 300-800 nm wavelength range. Compared with planar perovskite solar cells, the reflection is reduced by about 55% and the ultimate efficiency is increased by more than 8%. The textured structure can be used in various solar cell devices to improve cell performance.
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Bowen Fang, Le Chen, Wei Luo, Chen Zhu, Qinlin Ke, Wentao Zhang, and Ying Xue "Simulation of perovskite solar cells with double-sided textured structure", Proc. SPIE 12448, 5th Optics Young Scientist Summit (OYSS 2022), 124481Q (15 November 2022); https://doi.org/10.1117/12.2626722
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KEYWORDS
Perovskite
Solar cells
Finite-difference time-domain method
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