Preparation of MAPbI3 Perovskite Solar Cells/Modules via Volatile Solvents

doi:10.15541/jim20240138

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J Inorg Mat ›› 0 DOI: 10.15541/jim20240138

Preparation of MAPbI₃ Perovskite Solar Cells/Modules via Volatile Solvents

ZHOU Zezhu¹, LIANG Zihui^1,2, LI Jing¹, WU Congcong¹

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Abstract

The fabrication of large-area, high-efficiency perovskite solar cell modules (PSM) represent a pivotal stage in the industrialization of Perovskite Solar Cells (PSCs). Leveraging volatile solvents within perovskite precursors facilitates rapid solvent evaporation post-liquid film formation, obviating the necessity for subsequent treatments such as anti-solvent procedures or annealing. This streamlined approach offers distinct advantages in the industrialization trajectory of perovskite solar cells. Nonetheless, perovskite films synthesized utilizing volatile solvent systems often exhibit accelerated crystallization kinetics, yielding diminutive grain dimensions and elevated defect densities within the films, consequently compromising device efficiency and stability. This study devised a volatile solvent system comprising methylamine/acetonitrile (MA/ACN) for the production of MAPbI₃ perovskite solar cells/modules. Incorporation of an optimal quantity of PbCl₂ into the perovskite precursor solution served to retard crystallization kinetics and passivate grain boundary imperfections. Notably, small-area devices fabricated via this methodology demonstrated a peak photovoltaic conversion efficiency (PCE) of 21.21%, alongside enhanced operational stability. Furthermore, perovskite solar cell modules engineered through this approach achieved a PCE of 18.89%. This study presents a novel paradigm for advancing the large-scale industrial manufacturing of perovskite solar cells.

Key words

perovskite solar cell / MAPbI₃ / volatile solvents / large-scale perovskite solar module

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ZHOU Zezhu, LIANG Zihui, LI Jing, WU Congcong. Preparation of MAPbI₃ Perovskite Solar Cells/Modules via Volatile Solvents[J]. Journal of Inorganic Materials. 0 https://doi.org/10.15541/jim20240138

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Funding

The Key Research and Development Program of Hubei Province (2022BAA096); Hubei Province Science And Technology Innovation Talent Plan Project (2023DJC081)