The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Fast oxygen diffusion and iodide defects mediate oxygen-induced degradation of perovskite solar cells
Open accessAbstract
Methylammonium lead halide perovskites are attracting intense interest as promising materials for next-generation solar cells, but serious issues related to long-term stability need to be addressed. Perovskite films based on CH 3 NH 3 PbI 3 undergo rapid degradation when exposed to oxygen and light. Here, we report mechanistic insights into this oxygen-induced photodegradation from a range of experimental and computational techniques. We find fast oxygen diffusion into CH 3 NH 3 PbI 3 films is accompanied by photo-induced formation of highly reactive superoxide species. Perovskite films composed of small crystallites show higher yields of superoxide and lower stability. Ab initio simulations indicate that iodide vacancies are the preferred sites in mediating the photo-induced formation of superoxide species from oxygen. Thin-film passivation with iodide salts is shown to enhance film and device stability. The understanding of degradation phenomena gained from this study is important for the future design and optimization of stable perovskite solar cells.
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Cites
Generalized Gradient Approximation Made Simple
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Solvent engineering for high-performance inorganic–organic hybrid perovskite solar cells
Jeon, N. J., Noh, J. H., Kim, Y. C., Yang, W. S., Ryu, S., & Seok, S. I. (2014) · Nature Materials · doi:10.1038/nmat4014 · Cited by 6,723
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Lead iodide perovskite light-emitting field-effect transistor
Chin, X. Y., Cortecchia, D., Yin, J., Bruno, A., & Soci, C. (2015) · Nature Communications · doi:10.1038/ncomms8383 · Cited by 767
Cited by
Properties and potential optoelectronic applications of lead halide perovskite nanocrystals
Kovalenko, M. V., Protesescu, L., & Bodnarchuk, M. I. (2017) · Science · doi:10.1126/science.aam7093 · Cited by 2,652
Wei, Y., Cheng, Z., & Lin, J. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00740c · Cited by 1,206
Improving the Stability of Metal Halide Perovskite Materials and Light‐Emitting Diodes
Cho, H., Kim, Y., Wolf, C., Lee, H., & Lee, T. (2018) · Advanced Materials · doi:10.1002/adma.201704587 · Cited by 470
Dunfield, S. P., Bliss, L., Zhang, F., Luther, J. M., Zhu, K., van Hest, M. F. A. M., Reese, M. O., & Berry, J. J. (2020) · Advanced Energy Materials · doi:10.1002/aenm.201904054 · Cited by 435
Unveiling facet-dependent degradation and facet engineering for stable perovskite solar cells
Ma, C., Eickemeyer, F. T., Lee, S.-H., Kang, D.-H., Kwon, S. J., Grätzel, M., & Park, N.-G. (2023) · Science · doi:10.1126/science.adf3349 · Cited by 423
Metadata
- Authors
- Aristidou, N., Eames, C., Sanchez-Molina, I., Bu, X., Kosco, J., Islam, M. S., & Haque, S. A.
- Venue
- Nature Communications
- Published
- 2017-05-11
- Volume
- 8
- Issue
- 1
- Pages
- 15218-15218
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2612997415
- Cited by
- 1,298
- References
- 4
- FWCI
- 46.43
- Type
- journal article
- Language
- en
- Open access
- gold
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