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8 July 2019 Optical design of perovskite/silicon laminated solar cells based on grating structure
Hao Zheng, Xinyu Zheng, Enlei Gao, Pengda Xiao, Yitai Zhu, Yawei Kuang
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Proceedings Volume 11064, Tenth International Conference on Thin Film Physics and Applications (TFPA 2019); 110640X (2019) https://doi.org/10.1117/12.2539761
Event: Pacific Rim Laser Damage 2019 and Thin Film Physics and Applications 2019, 2019, Qingdao, China
Abstract
The theoretical limit photoelectric conversion efficiency of the new perovskite/silicon-based tandem solar cell can reach 42%, which has attracted wide attention due to its wide spectral response and low preparation cost. At present, the optical loss of the mechanical stack is large, so the optical design of the laminated battery is crucial. In this paper, perovskite/silicon-based laminated cells with backplate grating structure are used as models to analyze the optical absorption characteristics of stacked battery by FDTD. The results show that the parameters such as the period and height of the backplane grating structure are effective in improving absorption of long wavelength photons in bottom cells, which provides a theoretical basis for the further design of a new perovskite/silicon-based laminate battery.
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Hao Zheng, Xinyu Zheng, Enlei Gao, Pengda Xiao, Yitai Zhu, and Yawei Kuang "Optical design of perovskite/silicon laminated solar cells based on grating structure", Proc. SPIE 11064, Tenth International Conference on Thin Film Physics and Applications (TFPA 2019), 110640X (8 July 2019); https://doi.org/10.1117/12.2539761
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KEYWORDS
Absorption
Solar cells
Perovskite
Optical design
Silicon
Finite-difference time-domain method
Photovoltaics
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