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Broadband Emission in Two-Dimensional Hybrid Perovskites: The Role of Structural Deformation
Open accessAbstract
Only a selected group of two-dimensional (2D) lead–halide perovskites shows a peculiar broad-band photoluminescence. Here we show that the structural distortions of the perovskite lattice can determine the defectivity of the material by modulating the defect formation energies. By selecting and comparing two archetype systems, namely, (NBT) 2 PbI 4 and (EDBE)PbI 4 perovskites (NBT = n -butylammonium and EDBE = 2,2-(ethylenedioxy)bis(ethylammonium)), we find that only the latter, subject to larger deformation of the Pb–X bond length and X–Pb–X bond angles, sees the formation of V F color centers whose radiative decay ultimately leads to broadened PL. These findings highlight the importance of structural engineering to control the optoelectronic properties of this class of soft materials.
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Deschler, F., Price, M., Pathak, S., Klintberg, L. E., Jarausch, D.-D., Higler, R., Hüttner, S., Leijtens, T., Stranks, S. D., Snaith, H. J., et al. (2014) · The Journal of Physical Chemistry Letters · doi:10.1021/jz5005285 · Cited by 1,753
Cited by
Wei, Y., Cheng, Z., & Lin, J. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00740c · Cited by 1,206
Scaling law for excitons in 2D perovskite quantum wells
Blancon, J.-C., Stier, A. V., Tsai, H., Nie, W., Stoumpos, C. C., Traoré, B., Pedesseau, L., Kepenekian, M., Katsutani, F., Noe, G. T., et al. (2018) · Nature Communications · doi:10.1038/s41467-018-04659-x · Cited by 833
Du, K.-Z., Tu, Q., Zhang, X., Han, Q., Liu, J., Zauscher, S., & Mitzi, D. B. (2017) · Inorganic Chemistry · doi:10.1021/acs.inorgchem.7b01094 · Cited by 587
Structural Diversity in White-Light-Emitting Hybrid Lead Bromide Perovskites
Mao, L., Guo, P., Kepenekian, M., Hadar, I., Katan, C., Even, J., Schaller, R. D., Stoumpos, C. C., & Kanatzidis, M. G. (2018) · Journal of the American Chemical Society · doi:10.1021/jacs.8b08691 · Cited by 508
Two-dimensional halide perovskite lateral epitaxial heterostructures
Shi, E., Yuan, B., Shiring, S. B., Gao, Y., Akriti, Guo, Y., Su, C., Lai, M., Yang, P., Kong, J., et al. (2020) · Nature · doi:10.1038/s41586-020-2219-7 · Cited by 466
Metadata
- Authors
- Cortecchia, D., Neutzner, S., Srimath Kandada, A. R., Mosconi, E., Meggiolaro, D., De Angelis, F., Soci, C., & Petrozza, A.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-12-29
- Volume
- 139
- Issue
- 1
- Pages
- 39-42
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2562952133
- Cited by
- 430
- References
- 1
- FWCI
- 21.04
- Type
- journal article
- Language
- en
- Open access
- green
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- Cortecchia, D., Neutzner, S., Srimath Kandada, A. R., Mosconi, E., Meggiolaro, D., De Angelis, F., Soci, C., & Petrozza, A. (2017). Broadband Emission in Two-Dimensional Hybrid Perovskites: The Role of Structural Deformation. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.6b10390
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