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Modulation of Defects and Interfaces through Alkylammonium Interlayer for Efficient Inverted Perovskite Solar Cells
Open accessAbstract
Summary Perovskite solar cells (PVSCs) with p-i-n configuration bear great potential for flexible photovoltaics and all perovskite or Si-perovskite multijunction solar cells because of their low-temperature processability. Nevertheless, the state-of-the-art efficiencies of p-i-n structured PVSCs suffer from non-ideal interfacial recombination and charge-extraction losses. To address these challenges, we employed a large alkylammonium interlayer (LAI) to reduce the energy loss occurred between transport layers and perovskite. The use of LAIs, in contrast with the reported bottom or top surface passivation strategies, can simultaneously suppress the non-radiative energy losses at both top and bottom interfaces of perovskite. As a result, the reduced surface recombination velocity (SRV) and trap state density (Nt) enable a substantially improved photovoltage from 1.12 to 1.21 V for the PVSCs with an optical band gap (Eg) of 1.59 eV, leading to a champion power conversion efficiency (PCE) over 22%, which is among the highest efficiencies reported for inverted PVSCs.
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Cites
Impact of microstructure on local carrier lifetime in perovskite solar cells
de Quilettes, D. W., Vorpahl, S. M., Stranks, S. D., Nagaoka, H., Eperon, G. E., Ziffer, M. E., Snaith, H. J., & Ginger, D. S. (2015) · Science · doi:10.1126/science.aaa5333 · Cited by 2,198
Cited by
Minimizing buried interfacial defects for efficient inverted perovskite solar cells
Zhang, S., Ye, F., Wang, X., Chen, R., Zhang, H., Zhan, L., Jiang, X., Li, Y., Ji, X., Liu, S., et al. (2023) · Science · doi:10.1126/science.adg3755 · Cited by 1,159
Organometallic-functionalized interfaces for highly efficient inverted perovskite solar cells
Li, Z., Li, B., Wu, X., Sheppard, S. A., Zhang, S., Gao, D., Long, N. J., & Zhu, Z. (2022) · Science · doi:10.1126/science.abm8566 · Cited by 1,043
Self-citationReducing nonradiative recombination in perovskite solar cells with a porous insulator contact
Peng, W., Mao, K., Cai, F., Meng, H., Zhu, Z., Li, T., Yuan, S., Xu, Z., Feng, X., Xu, J., et al. (2023) · Science · doi:10.1126/science.ade3126 · Cited by 666
Self-citationLi, F., Deng, X., Qi, F., Li, Z., Liu, D., Shen, D., Qin, M., Wu, S., Lin, F., Jang, S.-H., et al. (2020) · Journal of the American Chemical Society · doi:10.1021/jacs.0c09845 · Cited by 655
Self-citationHighly efficient p-i-n perovskite solar cells that endure temperature variations
Li, G., Su, Z., Canil, L., Hughes, D., Aldamasy, M. H., Dagar, J., Trofimov, S., Wang, L., Zuo, W., Jerónimo-Rendon, J. J., et al. (2023) · Science · doi:10.1126/science.add7331 · Cited by 572
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Metadata
- Authors
- Wu, S., Zhang, J., Li, Z., Liu, D., Qin, M., Cheung, S. H., Lu, X., Lei, D., So, S. K., Zhu, Z., & Jen, A. K.-Y.
- Venue
- Joule
- Publisher
- Elsevier BV
- Published
- 2020-06
- Volume
- 4
- Issue
- 6
- Pages
- 1248-1262
- ISSN
- 2542-4351 (ISSN-L)
- OpenAlex
- W3019744350
- Cited by
- 388
- References
- 1
- FWCI
- 21.18
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Wu, S., Zhang, J., Li, Z., Liu, D., Qin, M., Cheung, S. H., Lu, X., Lei, D., So, S. K., Zhu, Z., & Jen, A. K.-Y. (2020). Modulation of Defects and Interfaces through Alkylammonium Interlayer for Efficient Inverted Perovskite Solar Cells. Joule. https://doi.org/10.1016/j.joule.2020.04.001
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