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Universal passivation strategy to slot-die printed SnO2 for hysteresis-free efficient flexible perovskite solar module
Open accessAbstract
Perovskite solar cells (PSCs) have reached an impressive efficiency over 23%. One of its promising characteristics is the low-cost solution printability, especially for flexible solar cells. However, printing large area uniform electron transport layers on rough and soft plastic substrates without hysteresis is still a great challenge. Herein, we demonstrate slot-die printed high quality tin oxide films for high efficiency flexible PSCs. The inherent hysteresis induced by the tin oxide layer is suppressed using a universal potassium interfacial passivation strategy regardless of fabricating methods. Results show that the potassium cations, not the anions, facilitate the growth of perovskite grains, passivate the interface, and contribute to the enhanced efficiency and stability. The small size flexible PSCs achieve a high efficiency of 17.18% and large size (5 × 6 cm 2) flexible modules obtain an efficiency over 15%. This passivation strategy has shown great promise for pursuing high performance large area flexible PSCs.
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Citations
Cited by
Scalable fabrication and coating methods for perovskite solar cells and solar modules
Park, N.-G., & Zhu, K. (2020) · Nature Reviews Materials · doi:10.1038/s41578-019-0176-2 · Cited by 908
Chen, J., Zhao, X., Kim, S., & Park, N. (2019) · Advanced Materials · doi:10.1002/adma.201902902 · Cited by 527
Detrimental Effect of Unreacted PbI2 on the Long‐Term Stability of Perovskite Solar Cells
Tumen‐Ulzii, G., Qin, C., Klotz, D., Leyden, M. R., Wang, P., Auffray, M., Fujihara, T., Matsushima, T., Lee, J., Lee, S., et al. (2020) · Advanced Materials · doi:10.1002/adma.201905035 · Cited by 466
Flexible Perovskite Solar Cells
Jung, H. S., Han, G. S., Park, N.-G., & Ko, M. J. (2019) · Joule · doi:10.1016/j.joule.2019.07.023 · Cited by 449
Tin oxide for optoelectronic, photovoltaic and energy storage devices: a review
Dalapati, G. K., Sharma, H., Guchhait, A., Chakrabarty, N., Bamola, P., Liu, Q., Saianand, G., Sai Krishna, A. M., Mukhopadhyay, S., Dey, A., et al. (2021) · Journal of Materials Chemistry A · doi:10.1039/d1ta01291f · Cited by 406
Metadata
- Authors
- Bu, T., Li, J., Zheng, F., Chen, W., Wen, X., Ku, Z., Peng, Y., Zhong, J., Cheng, Y.-B., & Huang, F.
- Venue
- Nature Communications
- Published
- 2018-11-02
- Volume
- 9
- Issue
- 1
- Pages
- 4609-4609
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2898941509
- Cited by
- 815
- References
- 0
- FWCI
- 31.80
- Type
- journal article
- Language
- en
- Open access
- gold
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- Bu, T., Li, J., Zheng, F., Chen, W., Wen, X., Ku, Z., Peng, Y., Zhong, J., Cheng, Y.-B., & Huang, F. (2018). Universal passivation strategy to slot-die printed SnO2 for hysteresis-free efficient flexible perovskite solar module. Nature Communications. https://doi.org/10.1038/s41467-018-07099-9
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