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Potassium Incorporation for Enhanced Performance and Stability of Fully Inorganic Cesium Lead Halide Perovskite Solar Cells
Abstract
Thermally unstable nature of hybrid organic–inorganic perovskites has been a major obstacle to fabricating the long-term operational device. A cesium lead halide perovskite has been suggested as an alternative light absorber, due to its superb thermal stability. However, the phase instability and poor performance are hindering the further progress. Here, cesium lead halide perovskite solar cells with enhanced performance and stability are demonstrated via incorporating potassium cations. Based on Cs 0.925 K 0.075 PbI 2 Br, the planar-architecture device achieves a power conversion efficiency of 10.0%, which is a remarkable record in the field of inorganic perovskite solar cells. In addition, the device shows an extended operational lifetime against air. Our research will stimulate the development of cesium lead halide perovskite materials for next-generation photovoltaics.
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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
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
Cited by
Opportunities and challenges for tandem solar cells using metal halide perovskite semiconductors
Leijtens, T., Bush, K. A., Prasanna, R., & McGehee, M. D. (2018) · Nature Energy · doi:10.1038/s41560-018-0190-4 · Cited by 1,121
Metal-Doped Lead Halide Perovskites: Synthesis, Properties, and Optoelectronic Applications
Zhou, Y., Chen, J., Bakr, O. M., & Sun, H.-T. (2018) · Chemistry of Materials · doi:10.1021/acs.chemmater.8b02989 · Cited by 650
Synthetic Approaches for Halide Perovskite Thin Films
Dunlap-Shohl, W. A., Zhou, Y., Padture, N. P., & Mitzi, D. B. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00318 · Cited by 631
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
A review of aspects of additive engineering in perovskite solar cells
Mahapatra, A., Prochowicz, D., Tavakoli, M. M., Trivedi, S., Kumar, P., & Yadav, P. (2020) · Journal of Materials Chemistry A · doi:10.1039/c9ta07657c · Cited by 369
Metadata
- Authors
- Nam, J. K., Chai, S. U., Cha, W., Choi, Y. J., Kim, W., Jung, M. S., Kwon, J., Kim, D., & Park, J. H.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-02-10
- Volume
- 17
- Issue
- 3
- Pages
- 2028-2033
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2587268868
- Cited by
- 524
- References
- 2
- FWCI
- 30.77
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Nam, J. K., Chai, S. U., Cha, W., Choi, Y. J., Kim, W., Jung, M. S., Kwon, J., Kim, D., & Park, J. H. (2017). Potassium Incorporation for Enhanced Performance and Stability of Fully Inorganic Cesium Lead Halide Perovskite Solar Cells. Nano Letters. https://doi.org/10.1021/acs.nanolett.7b00050
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