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Fabrication of Efficient Formamidinium Tin Iodide Perovskite Solar Cells through SnF2–Pyrazine Complex
Abstract
To fabricate efficient formamidinium tin iodide (FASnI3) perovskite solar cells (PSCs), it is essential to deposit uniform and dense perovskite layers and reduce Sn(4+) content. Here we used solvent-engineering and nonsolvent dripping process with SnF2 as an inhibitor of Sn(4+). However, excess SnF2 induces phase separation on the surface of the perovskite film. In this work, we report the homogeneous dispersion of SnF2 via the formation of the SnF2-pyrazine complex. Consequently, we fabricated FASnI3 PSCs with high reproducibility, achieving a high power conversion efficiency of 4.8%. Furthermore, the encapsulated device showed a stable performance for over 100 days, maintaining 98% of its initial efficiency.
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Cites
Solvent engineering for high-performance inorganic–organic hybrid perovskite solar cells
Jeon, N. J., Noh, J. H., Kim, Y. C., Yang, W. S., Ryu, S., & Seok, S. I. (2014) · Nature Materials · doi:10.1038/nmat4014 · Cited by 6,723
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Cited by
“Unleaded” Perovskites: Status Quo and Future Prospects of Tin‐Based Perovskite Solar Cells
Ke, W., Stoumpos, C. C., & Kanatzidis, M. G. (2019) · Advanced Materials · doi:10.1002/adma.201803230 · Cited by 533
Recent progress of inorganic perovskite solar cells
Tai, Q., Tang, K.-C., & Yan, F. (2019) · Energy & Environmental Science · doi:10.1039/c9ee01479a · Cited by 528
Jokar, E., Chien, C., Tsai, C., Fathi, A., & Diau, E. W. (2019) · Advanced Materials · doi:10.1002/adma.201804835 · Cited by 513
Recent advances in perovskite solar cells: efficiency, stability and lead-free perovskite
Yang, S., Fu, W., Zhang, Z., Chen, H., & Li, C.-Z. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta00366h · Cited by 486
Stable Low‐Bandgap Pb–Sn Binary Perovskites for Tandem Solar Cells
Yang, Z., Rajagopal, A., Chueh, C., Jo, S. B., Liu, B., Zhao, T., & Jen, A. K. ‐. (2016) · Advanced Materials · doi:10.1002/adma.201602696 · Cited by 367
Metadata
- Authors
- Lee, S. J., Shin, S. S., Kim, Y. C., Kim, D., Ahn, T. K., Noh, J. H., Seo, J., & Seok, S. I.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-03-17
- Volume
- 138
- Issue
- 12
- Pages
- 3974-3977
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2296106661
- Cited by
- 817
- References
- 1
- FWCI
- 41.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Lee, S. J., Shin, S. S., Kim, Y. C., Kim, D., Ahn, T. K., Noh, J. H., Seo, J., & Seok, S. I. (2016). Fabrication of Efficient Formamidinium Tin Iodide Perovskite Solar Cells through SnF2–Pyrazine Complex. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.6b00142
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