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Two-Dimensional Ruddlesden–Popper Perovskite with Nanorod-like Morphology for Solar Cells with Efficiency Exceeding 15%
Abstract
Abstract Two-dimensional (2D) Ruddlesden–Popper perovskites have shown great potential for application in perovskite solar cells due to their appealing environmental stability. However, 2D perovskites generally show poor photovoltaic performance. Here, a new type of 2D perovskite using 2-thiophenemethylammonium (ThMA+) as a spacer cation was developed and high photovoltaic performance as well as enhanced stability in comparison with its 3D counterpart was demonstrated. The use of the 2D perovskite (ThMA)2(MA)n−1PbnI3n+1 (n = 3) in deposited highly oriented thin films from N,N-dimethylformamide using a methylammonium chloride (MACl) assisted film-forming technique dramatically improves the efficiency of 2D perovskite photovoltaic devices from 1.74% to over 15%, which is the highest efficiency for 2D perovskite (n < 6) solar cells so far. The enhanced performance of the 2D perovskite devices using MACl as additive is ascribed to the growth of a dense web of nanorod-like film with near-single-crystalline quality, in which the crystallographic planes of the 2D MAn–1PbnI3n+12– slabs preferentially aligned perpendicular to the substrate, thus facilitating efficient charge transport. This work provides a new insight into exploration of the formation mechanism of 2D perovskites with increased crystallinity and crystal orientation suitable for high-performance solar cells.
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Stranks, S. D., Eperon, G. E., Grancini, G., Menelaou, C., Alcocer, M. J. P., Leijtens, T., Herz, L. M., Petrozza, A., & Snaith, H. J. (2013) · Science · doi:10.1126/science.1243982 · Cited by 10,413
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Cited by
Li, X., Hoffman, J. M., & Kanatzidis, M. G. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c01006 · Cited by 1,085
Dunfield, S. P., Bliss, L., Zhang, F., Luther, J. M., Zhu, K., van Hest, M. F. A. M., Reese, M. O., & Berry, J. J. (2020) · Advanced Energy Materials · doi:10.1002/aenm.201904054 · Cited by 435
Enhanced Charge Transport in 2D Perovskites via Fluorination of Organic Cation
Zhang, F., Kim, D. H., Lu, H., Park, J.-S., Larson, B. W., Hu, J., Gao, L., Xiao, C., Reid, O. G., Chen, X., et al. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.9b00972 · Cited by 382
Hu, J., Oswald, I. W. H., Stuard, S. J., Nahid, M. M., Zhou, N., Williams, O. F., Guo, Z., Yan, L., Hu, H., Chen, Z., et al. (2019) · Nature Communications · doi:10.1038/s41467-019-08980-x · Cited by 308
Metadata
- Authors
- Lai, H., Kan, B., Liu, T., Zheng, N., Xie, Z., Zhou, T., Wan, X., Zhang, X., Liu, Y., & Chen, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-08-29
- Volume
- 140
- Issue
- 37
- Pages
- 11639-11646
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2889518219
- Cited by
- 477
- References
- 2
- FWCI
- 24.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lai, H., Kan, B., Liu, T., Zheng, N., Xie, Z., Zhou, T., Wan, X., Zhang, X., Liu, Y., & Chen, Y. (2018). Two-Dimensional Ruddlesden–Popper Perovskite with Nanorod-like Morphology for Solar Cells with Efficiency Exceeding 15%. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.8b04604
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