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Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites
Open accessAbstract
How perovskites have the edge: Two-dimensional Ruddlesden-Popper perovskites form quantum wells by sandwiching inorganic-organic perovskite layers used in photovoltaic devices between organic layers. Blancon et al. show that if the perovskite layer is more than two unit cells thick, photogenerated excitons undergo an unusual but highly efficient process for creating free carriers that can be harvested in photovoltaic devices (see the Perspective by Bakr and Mohammed). Lower-energy local states at the edges of the perovskite layer facilitate dissociation into electrons and holes that are well protected from recombination. Science , this issue p. 1288 ; see also p. 1260
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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
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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
Low‐Dimensional Metal Halide Perovskite Photodetectors
Wang, H., Li, S., Liu, X., Shi, Z., Fang, X., & He, J. (2021) · Advanced Materials · doi:10.1002/adma.202003309 · Cited by 574
Two-dimensional halide perovskite nanomaterials and heterostructures
Shi, E., Gao, Y., Finkenauer, B. P., Akriti, A., Coffey, A. H., & Dou, L. (2018) · Chemical Society Reviews · doi:10.1039/c7cs00886d · Cited by 445
Gharibzadeh, S., Abdollahi Nejand, B., Jakoby, M., Abzieher, T., Hauschild, D., Moghadamzadeh, S., Schwenzer, J. A., Brenner, P., Schmager, R., Haghighirad, A. A., et al. (2019) · Advanced Energy Materials · doi:10.1002/aenm.201803699 · Cited by 435
Leng, K., Abdelwahab, I., Verzhbitskiy, I., Telychko, M., Chu, L., Fu, W., Chi, X., Guo, N., Chen, Z., Chen, Z., et al. (2018) · Nature Materials · doi:10.1038/s41563-018-0164-8 · Cited by 404
Metadata
- Authors
- Blancon, J.-C., Tsai, H., Nie, W., Stoumpos, C. C., Pedesseau, L., Katan, C., Kepenekian, M., Soe, C. M. M., Appavoo, K., Sfeir, M. Y., Tretiak, S., Ajayan, P. M., Kanatzidis, M. G., Even, J., Crochet, J. J., & Mohite, A. D.
- Venue
- Science
- Published
- 2017-03-24
- Volume
- 355
- Issue
- 6331
- Pages
- 1288-1292
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2591676480
- Cited by
- 1,102
- References
- 1
- FWCI
- 52.14
- Type
- journal article
- Language
- en
- Open access
- green
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- Blancon, J.-C., Tsai, H., Nie, W., Stoumpos, C. C., Pedesseau, L., Katan, C., Kepenekian, M., Soe, C. M. M., Appavoo, K., Sfeir, M. Y., Tretiak, S., Ajayan, P. M., Kanatzidis, M. G., Even, J., Crochet, J. J., & Mohite, A. D. (2017). Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites. Science. https://doi.org/10.1126/science.aal4211
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