PEROVSKITE/SILICON TANDEM SOLAR CELLS BASED ON DIAMOND-WIRE SAWN

Su Shiqian; Ying Zhiqin; Chen Xingkai; Li Xin; Yang Xi; Ye Jichun

doi:10.19912/j.0254-0096.tynxb.2023-1438

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (4) : 23-29. DOI: 10.19912/j.0254-0096.tynxb.2023-1438

PEROVSKITE/SILICON TANDEM SOLAR CELLS BASED ON DIAMOND-WIRE SAWN

Su Shiqian^1,2, Ying Zhiqin², Chen Xingkai³, Li Xin^2,4, Yang Xi², Ye Jichun²

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Abstract

In this study, a strategy of hole transport layer-free （HTL-free） is proposed. The self-assembled monolayer is used as the additive of perovskite active layer, then the perovskite film is directly deposited on the conductive substrate surface using a one-step spin coating method, and the quality and uniformity of the film are improved. Furthermore, the method is applied to the commercial and low-cost diamond-wire sawn with high surface roughness, resulting in the formation of a perovekite film characterized by high coverage,dense morphoogy, and absence of cavities. In terms of the photoelectric performance, the single-junction perovskite solar cells yield a champion power conversion efficiency （PCE） of 21.3%, with a high fill factor （FF） of over 83%. Finally, a PCE of 28% for perovskite/silicon tandem solar cells based on diamond-wire sawn is demonstrated.

Key words

perovskite solar cells / self-assembled monolayers / additives / hole transport layer-free / diamond-wire sawn / perovskite/silicon tandem solar cells

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Su Shiqian, Ying Zhiqin, Chen Xingkai, Li Xin, Yang Xi, Ye Jichun. PEROVSKITE/SILICON TANDEM SOLAR CELLS BASED ON DIAMOND-WIRE SAWN[J]. Acta Energiae Solaris Sinica. 2024, 45(4): 23-29 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1438

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