The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.
Bimolecularly passivated interface enables efficient and stable inverted perovskite solar cells
Open accessAbstract
Compared with the n-i-p structure, inverted (p-i-n) perovskite solar cells (PSCs) promise increased operating stability, but these photovoltaic cells often exhibit lower power conversion efficiencies (PCEs) because of nonradiative recombination losses, particularly at the perovskite/C 60 interface. We passivated surface defects and enabled reflection of minority carriers from the interface into the bulk using two types of functional molecules. We used sulfur-modified methylthio molecules to passivate surface defects and suppress recombination through strong coordination and hydrogen bonding, along with diammonium molecules to repel minority carriers and reduce contact-induced interface recombination achieved through field-effect passivation. This approach led to a fivefold longer carrier lifetime and one-third the photoluminescence quantum yield loss and enabled a certified quasi-steady-state PCE of 25.1% for inverted PSCs with stable operation at 65°C for >2000 hours in ambient air. We also fabricated monolithic all-perovskite tandem solar cells with 28.1% PCE.
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Cites
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Self-citationSurface reaction for efficient and stable inverted perovskite solar cells
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Current scenario and future trends on stability issues of perovskite solar cells: A mini review
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Metadata
- Authors
- Liu, C., Yang, Y., Chen, H., Xu, J., Liu, A., Bati, A. S. R., Zhu, H., Grater, L., Hadke, S. S., Huang, C., Sangwan, V. K., Cai, T., Shin, D., Chen, L. X., Hersam, M. C., Mirkin, C. A., Chen, B., Kanatzidis, M. G., & Sargent, E. H.
- Venue
- Science
- Published
- 2023-11-17
- Volume
- 382
- Issue
- 6672
- Pages
- 810-815
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W4388726580
- Cited by
- 757
- References
- 42
- FWCI
- 55.49
- Type
- journal article
- Language
- en
- Open access
- green
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- Liu, C., Yang, Y., Chen, H., Xu, J., Liu, A., Bati, A. S. R., Zhu, H., Grater, L., Hadke, S. S., Huang, C., Sangwan, V. K., Cai, T., Shin, D., Chen, L. X., Hersam, M. C., Mirkin, C. A., Chen, B., Kanatzidis, M. G., & Sargent, E. H. (2023). Bimolecularly passivated interface enables efficient and stable inverted perovskite solar cells. Science. https://doi.org/10.1126/science.adk1633
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