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Planar‐Structure Perovskite Solar Cells with Efficiency beyond 21%
Abstract
Low temperature solution processed planar‐structure perovskite solar cells gain great attention recently, while their power conversions are still lower than that of high temperature mesoporous counterpart. Previous reports are mainly focused on perovskite morphology control and interface engineering to improve performance. Here, this study systematically investigates the effect of precise stoichiometry, especially the PbI 2 contents on device performance including efficiency, hysteresis and stability. This study finds that a moderate residual of PbI 2 can deliver stable and high efficiency of solar cells without hysteresis, while too much residual PbI 2 will lead to serious hysteresis and poor transit stability. Solar cells with the efficiencies of 21.6% in small size (0.0737 cm 2) and 20.1% in large size (1 cm 2) with moderate residual PbI 2 in perovskite layer are obtained. The certificated efficiency for small size shows the efficiency of 20.9%, which is the highest efficiency ever recorded in planar‐structure perovskite solar cells, showing the planar‐structure perovskite solar cells are very promising.
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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
Tavakoli, M. M., Yadav, P., Tavakoli, R., & Kong, J. (2018) · Advanced Energy Materials · doi:10.1002/aenm.201800794 · Cited by 325
Li, N., Luo, Y., Chen, Z., Niu, X., Zhang, X., Lu, J., Kumar, R., Jiang, J., Liu, H., Guo, X., et al. (2020) · Joule · doi:10.1016/j.joule.2020.06.005 · Cited by 281
Self-citationZhao, Y., Yavuz, I., Wang, M., Weber, M. H., Xu, M., Lee, J.-H., Tan, S., Huang, T., Meng, D., Wang, R., et al. (2022) · Nature Materials · doi:10.1038/s41563-022-01390-3 · Cited by 279
Recent Advances in Perovskite Photodetectors for Image Sensing
Li, L., Ye, S., Qu, J., Zhou, F., Song, J., & Shen, G. (2021) · Small · doi:10.1002/smll.202005606 · Cited by 235
Metadata
- Authors
- Jiang, Q., Chu, Z., Wang, P., Yang, X., Liu, H., Wang, Y., Yin, Z., Wu, J., Zhang, X., & You, J.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2017-10-16
- Volume
- 29
- Issue
- 46
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2765675115
- Cited by
- 1,250
- References
- 1
- FWCI
- 58.29
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jiang, Q., Chu, Z., Wang, P., Yang, X., Liu, H., Wang, Y., Yin, Z., Wu, J., Zhang, X., & You, J. (2017). Planar‐Structure Perovskite Solar Cells with Efficiency beyond 21%. Advanced Materials. https://doi.org/10.1002/adma.201703852
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