The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
Multifunctional Phosphorus‐Containing Lewis Acid and Base Passivation Enabling Efficient and Moisture‐Stable Perovskite Solar Cells
Abstract
Multiple‐cation lead mixed‐halide perovskites (MLMPs) have been recognized as ideal candidates in perovskite solar cells in terms of high efficiency and stability due to decreased open‐circuit voltage loss and suppressed yellow phase formation. However, they still suffer from an unsatisfactory long‐term moisture stability. In this study, phosphorus‐containing Lewis acid and base molecules are employed to improve device efficiency and stability based on their multifunction including recombination reduction, phase segregation suppression, and moisture resistance. The strong fluorine‐containing Lewis acid treatment can achieve a champion PCE of 22.02%. Unencapsulated and encapsulated devices retain 63% and 80% of the initial efficiency after 14 days of aging under 75% and 85% relative humidity, respectively. The better passivation of Lewis acid implies more halide defects than Pb defects at the MLMP surface. This unbalanced defect type results from phase segregation that is the synergistic effect of Cs and halide ion migrations. Identifying defect type based on different passivation effects is beneficial to not only choose suitable passivators to boost the efficiency and slow down the moisture degradation of MLMP solar cells, but also to understand the mechanism of defect‐assisted moisture degradation.
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Surface passivation of perovskite film for efficient solar cells
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A mixed-cation lead mixed-halide perovskite absorber for tandem solar cells
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Imperfections and their passivation in halide perovskite solar cells
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Constructive molecular configurations for surface-defect passivation of perovskite photovoltaics
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Cited by
Rational design of Lewis base molecules for stable and efficient inverted perovskite solar cells
Li, C., Wang, X., Bi, E., Jiang, F., Park, S. M., Li, Y., Chen, L., Wang, Z., Zeng, L., Chen, H., et al. (2023) · Science · doi:10.1126/science.ade3970 · Cited by 677
Rationalization of passivation strategies toward high-performance perovskite solar cells
Zhang, Z., Qiao, L., Meng, K., Long, R., Chen, G., & Gao, P. (2023) · Chemical Society Reviews · doi:10.1039/d2cs00217e · Cited by 357
Qiu, M., Li, W., Luo, Y., Zhao, C., Zhao, Z., & Mai, W. (2025) · Advanced Functional Materials · doi:10.1002/adfm.202418064 · Cited by 15
Metadata
- Authors
- Yang, Z., Dou, J., Kou, S., Dang, J., Ji, Y., Yang, G., Wu, W., Kuang, D., & Wang, M.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2020-02-20
- Volume
- 30
- Issue
- 15
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W3008195047
- Cited by
- 258
- References
- 40
- FWCI
- 13.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yang, Z., Dou, J., Kou, S., Dang, J., Ji, Y., Yang, G., Wu, W., Kuang, D., & Wang, M. (2020). Multifunctional Phosphorus‐Containing Lewis Acid and Base Passivation Enabling Efficient and Moisture‐Stable Perovskite Solar Cells. Advanced Functional Materials. https://doi.org/10.1002/adfm.201910710
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