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A Bismuth-Halide Double Perovskite with Long Carrier Recombination Lifetime for Photovoltaic Applications
Abstract
Despite the remarkable rise in efficiencies of solar cells containing the lead-halide perovskite absorbers RPbX3 (R = organic cation; X = Br(-) or I(-)), the toxicity of lead remains a concern for the large-scale implementation of this technology. This has spurred the search for lead-free materials with similar optoelectronic properties. Here, we use the double-perovskite structure to incorporate nontoxic Bi(3+) into the perovskite lattice in Cs2AgBiBr6 (1). The solid shows a long room-temperature fundamental photoluminescence (PL) lifetime of ca. 660 ns, which is very encouraging for photovoltaic applications. Comparison between single-crystal and powder PL decay curves of 1 suggests inherently high defect tolerance. The material has an indirect bandgap of 1.95 eV, suited for a tandem solar cell. Furthermore, 1 is significantly more heat and moisture stable compared to (MA)PbI3. The extremely promising optical and physical properties of 1 shown here motivate further exploration of both inorganic and hybrid halide double perovskites for photovoltaics and other optoelectronics.
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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
Genesis, challenges and opportunities for colloidal lead halide perovskite nanocrystals
Akkerman, Q. A., Rainò, G., Kovalenko, M. V., & Manna, L. (2018) · Nature Materials · doi:10.1038/s41563-018-0018-4 · Cited by 2,287
Li, X., Hoffman, J. M., & Kanatzidis, M. G. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c01006 · Cited by 1,085
“Unleaded” Perovskites: Status Quo and Future Prospects of Tin‐Based Perovskite Solar Cells
Ke, W., Stoumpos, C. C., & Kanatzidis, M. G. (2019) · Advanced Materials · doi:10.1002/adma.201803230 · Cited by 533
Recent progress of inorganic perovskite solar cells
Tai, Q., Tang, K.-C., & Yan, F. (2019) · Energy & Environmental Science · doi:10.1039/c9ee01479a · Cited by 528
Recent advances in perovskite solar cells: efficiency, stability and lead-free perovskite
Yang, S., Fu, W., Zhang, Z., Chen, H., & Li, C.-Z. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta00366h · Cited by 486
Metadata
- Authors
- Slavney, A. H., Hu, T., Lindenberg, A. M., & Karunadasa, H. I.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-02-10
- Volume
- 138
- Issue
- 7
- Pages
- 2138-2141
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2271422567
- Cited by
- 2,204
- References
- 1
- FWCI
- 73.63
- Type
- journal article
- Language
- en
- Open access
- closed
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- Slavney, A. H., Hu, T., Lindenberg, A. M., & Karunadasa, H. I. (2016). A Bismuth-Halide Double Perovskite with Long Carrier Recombination Lifetime for Photovoltaic Applications. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.5b13294
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