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Hysteresis-free perovskite solar cells made of potassium-doped organometal halide perovskite
Open accessAbstract
Potassium-doped organometal halide perovskite solar cells (PSCs) of more than 20% power conversion efficiency (PCE) without I-V hysteresis were constructed. The crystal lattice of the organometal halide perovskite was expanded with increasing of the potassium ratio, where both absorption and photoluminescence spectra shifted to the longer wavelength, suggesting that the optical band gap decreased. In the case of the perovskite with the 5% K+, the conduction band minimum (CBM) became similar to the CBM level of the TiO 2-Li. In this situation, the electron transfer barrier at the interface between TiO 2-Li and the perovskite was minimised. In fact, the transient current rise at the maximum power voltages of PSCs with 5% K+ was faster than that without K+. It is concluded that stagnation-less carrier transportation could minimise the I-V hysteresis of PSCs.
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Kim, H.-S., Lee, C.-R., Im, J.-H., Lee, K.-B., Moehl, T., Marchioro, A., Moon, S.-J., Humphry-Baker, R., Yum, J.-H., Moser, J. E., et al. (2012) · Scientific Reports · doi:10.1038/srep00591 · Cited by 8,092
Cited by
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
Zhang, F., Bi, D., Pellet, N., Xiao, C., Li, Z., Berry, J. J., Zakeeruddin, S. M., Zhu, K., & Grätzel, M. (2018) · Energy & Environmental Science · doi:10.1039/c8ee02252f · Cited by 341
Mannodi-Kanakkithodi, A., & Chan, M. K. Y. (2022) · Journal of Materials Science · doi:10.1007/s10853-022-06998-z · Cited by 33
Metadata
- Authors
- Tang, Z., Bessho, T., Awai, F., Kinoshita, T., Maitani, M. M., Jono, R., Murakami, T. N., Wang, H., Kubo, T., Uchida, S., & Segawa, H.
- Venue
- Scientific Reports
- Published
- 2017-09-22
- Volume
- 7
- Issue
- 1
- Pages
- 12183-12183
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2754484403
- Cited by
- 272
- References
- 1
- FWCI
- 15.44
- Type
- journal article
- Language
- en
- Open access
- gold
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- Tang, Z., Bessho, T., Awai, F., Kinoshita, T., Maitani, M. M., Jono, R., Murakami, T. N., Wang, H., Kubo, T., Uchida, S., & Segawa, H. (2017). Hysteresis-free perovskite solar cells made of potassium-doped organometal halide perovskite. Scientific Reports. https://doi.org/10.1038/s41598-017-12436-x
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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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