Selective grain boundary passivation by ammonium nitrate for enhanced performance and stability of FA-Cs based perovskite solar cells

Li, Xiaoshan; Yu, Wenjing; Hou, Tian; Yang, Xin; Wang, Xin; Jiang, Guangmian; Fu, Zhipeng; Chen, Kaipeng; Li, Yanlin; Yang, Chengbin; Sun, Xiaoran; Zhang, Meng

doi:10.1039/d3cc05504c

Chem. Commun.

2024

DOI: 10.1039/d3cc05504c

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Selective grain boundary passivation by ammonium nitrate for enhanced performance and stability of FA-Cs based perovskite solar cells

Xiaoshan Li,

Wenjing Yu,

Tian Hou

et al.

Abstract: Ammonium nitrate can be used for selective grain boundary passivation of FA-Cs based perovskite thin films and solar cells.

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Pinhole Healing of Pristine FAPbI₃ Films via Homogeneous Recrystallization with Mixed Vapor of Tetramethylene Sulfoxide and Anisole

Chen,

Hou,

Wang

et al. 2024

Adv Materials Inter

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The preparation of pristine formamidinium lead tri‐iodide (FAPbI3) perovskite films for solar cells applications can be very challenging without methylammonium containing additives. The pinhole‐rich films prepared by methylammonium‐free approach limit the performance of the pristine FAPbI3 perovskite solar cells (PSCs). This work proposes a recrystallization method employing mixed solvent annealing (MSA) to heal the pinholes in pristine FAPbI3 perovskite films. The tetramethylene sulfoxide vapor is demonstrated most effective in grains‐merging and pinhole healing, while the addition of a secondary solvent vapor of anisole significantly improved the uniformity of TMSO vapor distribution. The pristine FAPbI3 PSCs prepared with MSA recrystallized film achieved power conversion efficiencies up to 22.43% and 16.54% on small cells (0.105 cm2) and mini‐modules (12.6 cm2), respectively, showing great potential in upscaling fabrication of perovskite photovoltaics with pristine FAPbI3.

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Pinhole Healing of Pristine FAPbI₃ Films via Homogeneous Recrystallization with Mixed Vapor of Tetramethylene Sulfoxide and Anisole

Chen,

Hou,

Wang

et al. 2024

Adv Materials Inter

Self Cite

View full text Add to dashboard Cite

show abstract

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Selective grain boundary passivation by ammonium nitrate for enhanced performance and stability of FA-Cs based perovskite solar cells

Abstract: Ammonium nitrate can be used for selective grain boundary passivation of FA-Cs based perovskite thin films and solar cells.

Cited by 1 publication

References 36 publications

Pinhole Healing of Pristine FAPbI₃ Films via Homogeneous Recrystallization with Mixed Vapor of Tetramethylene Sulfoxide and Anisole

Pinhole Healing of Pristine FAPbI₃ Films via Homogeneous Recrystallization with Mixed Vapor of Tetramethylene Sulfoxide and Anisole

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Selective grain boundary passivation by ammonium nitrate for enhanced performance and stability of FA-Cs based perovskite solar cells

Abstract: Ammonium nitrate can be used for selective grain boundary passivation of FA-Cs based perovskite thin films and solar cells.

Cited by 1 publication

References 36 publications

Pinhole Healing of Pristine FAPbI3 Films via Homogeneous Recrystallization with Mixed Vapor of Tetramethylene Sulfoxide and Anisole

Pinhole Healing of Pristine FAPbI3 Films via Homogeneous Recrystallization with Mixed Vapor of Tetramethylene Sulfoxide and Anisole

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Product

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Pinhole Healing of Pristine FAPbI₃ Films via Homogeneous Recrystallization with Mixed Vapor of Tetramethylene Sulfoxide and Anisole

Pinhole Healing of Pristine FAPbI₃ Films via Homogeneous Recrystallization with Mixed Vapor of Tetramethylene Sulfoxide and Anisole