The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Chemical Polishing of Perovskite Surface Enhances Photovoltaic Performances
Abstract
The benefits of excess PbI 2 on perovskite crystal nucleation and growth are countered by the photoinstability of interfacial PbI 2 in perovskite solar cells (PSCs). Here we report a simple chemical polishing strategy to rip PbI 2 crystals off the perovskite surface to decouple these two opposing effects. The chemical polishing results in a favorable perovskite surface exhibiting enhanced luminescence, prolonged carrier lifetimes, suppressed ion migration, and better energy level alignment. These desired benefits translate into increased photovoltages and fill factors, leading to high-performance mesostructured formamidinium lead iodide-based PSCs with a champion efficiency of 24.50%. As the interfacial ion migration paths and photodegradation triggers, dominated by PbI 2 crystals, were eliminated, the hysteresis of the PSCs was suppressed and the device stability under illumination or humidity stress was significantly improved. Moreover, this new surface polishing strategy can be universally applicable to other typical perovskite compositions.
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Cites
Efficient perovskite solar cells via improved carrier management
Yoo, J. J., Seo, G., Chua, M. R., Park, T. G., Lu, Y., Rotermund, F., Kim, Y.-K., Moon, C. S., Jeon, N. J., Correa-Baena, J.-P., et al. (2021) · Nature · doi:10.1038/s41586-021-03285-w · Cited by 2,934
Efficient, stable and scalable perovskite solar cells using poly(3-hexylthiophene)
Jung, E. H., Jeon, N. J., Park, E. Y., Moon, C. S., Shin, T. J., Yang, T.-Y., Noh, J. H., & Seo, J. (2019) · Nature · doi:10.1038/s41586-019-1036-3 · Cited by 2,305
Cited by
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
- Zhao, L., Li, Q., Hou, C.-H., Li, S., Yang, X., Wu, J., Zhang, S., Hu, Q., Wang, Y., Zhang, Y., Jiang, Y., Jia, S., Shyue, J.-J., Russell, T. P., Gong, Q., Hu, X., & Zhu, R.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2022-01-18
- Volume
- 144
- Issue
- 4
- Pages
- 1700-1708
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W4205377035
- Cited by
- 200
- References
- 2
- FWCI
- 11.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhao, L., Li, Q., Hou, C.-H., Li, S., Yang, X., Wu, J., Zhang, S., Hu, Q., Wang, Y., Zhang, Y., Jiang, Y., Jia, S., Shyue, J.-J., Russell, T. P., Gong, Q., Hu, X., & Zhu, R. (2022). Chemical Polishing of Perovskite Surface Enhances Photovoltaic Performances. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.1c10842
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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