Enhanced Crystallinity with Disappeared Pb ⁰ -Related Defects Resulted from Optimal Chain Length Alkylamine for Efficient and Stable Perovskite Solar Cells

Jia Liao; Hui Li; Shijie Ren; Zheng Zhang; Xiangxue Lv; Xueyan Xi; Y Zhang; Xia; Xingchong Liu; Hanyu Wang

doi:10.1021/acsami.6c03843

May 11, 2026ACS Applied Materials & Interfaces

Enhanced Crystallinity with Disappeared Pb ⁰ -Related Defects Resulted from Optimal Chain Length Alkylamine for Efficient and Stable Perovskite Solar Cells

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Key Points

To explore how optimal chain length alkylamine affects crystallinity and efficiency in perovskite solar cells.
Modification of perovskite solar cells using varying chain length alkylamines.
Assessment of defect densities and crystallinity improvements.
Efficiency and environmental stability testing of the modified devices.
Achieved an efficiency of 23.43% in the modified perovskite solar cells.
Demonstrated significant reduction in Pb-related defect densities.
Displayed excellent stability under environmental testing.

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Implication

Experiment shows improved efficiency in perovskite solar cells, suggesting alkylamine additives enhance stability.

Abstract

-related defect densities. Ultimately, the modified devices achieved a high efficiency of 23.43% and manifested excellent environmental stability. This work confirms the significant potential of small-molecule additives in addressing the challenge of controllable perovskite crystallization.

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Cite This Study

Liao et al. (2026) studied this question.

synapsesocial.com/papers/6a03cb9d1c527af8f1ecf592 https://doi.org/10.1021/acsami.6c03843

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Enhanced Crystallinity with Disappeared Pb ⁰ -Related Defects Resulted from Optimal Chain Length Alkylamine for Efficient and Stable Perovskite Solar Cells

Key Points

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Implication

Abstract

Discussion

Cite This Study

Enhanced Crystallinity with Disappeared Pb ⁰ -Related Defects Resulted from Optimal Chain Length Alkylamine for Efficient and Stable Perovskite Solar Cells

Key Points

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Implication

Abstract

Discussion

Cite This Study

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