The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Mechanism for Broadband White-Light Emission from Two-Dimensional (110) Hybrid Perovskites
Abstract
The recently discovered phenomenon of broadband white-light emission at room temperature in the (110) two-dimensional organic-inorganic perovskite (N-MEDA)[PbBr4] (N-MEDA = N(1)-methylethane-1,2-diammonium) is promising for applications in solid-state lighting. However, the spectral broadening mechanism and, in particular, the processes and dynamics associated with the emissive species are still unclear. Herein, we apply a suite of ultrafast spectroscopic probes to measure the primary events directly following photoexcitation, which allows us to resolve the evolution of light-induced emissive states associated with white-light emission at femtosecond resolution. Terahertz spectra show fast free carrier trapping and transient absorption spectra show the formation of self-trapped excitons on femtosecond time-scales. Emission-wavelength-dependent dynamics of the self-trapped exciton luminescence are observed, indicative of an energy distribution of photogenerated emissive states in the perovskite. Our results are consistent with photogenerated carriers self-trapped in a deformable lattice due to strong electron-phonon coupling, where permanent lattice defects and correlated self-trapped states lend further inhomogeneity to the excited-state potential energy surface.
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Cites
Lead halide perovskite nanowire lasers with low lasing thresholds and high quality factors
Zhu, H., Fu, Y., Meng, F., Wu, X., Gong, Z., Ding, Q., Gustafsson, M. V., Trinh, M. T., Jin, S., & Zhu, X.-Y. (2015) · Nature Materials · doi:10.1038/nmat4271 · Cited by 2,836
Self-citationDeschler, 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
White-Light Emission from Layered Halide Perovskites
Smith, M. D., & Karunadasa, H. I. (2018) · Accounts of Chemical Research · doi:10.1021/acs.accounts.7b00433 · Cited by 1,115
Self-citationChiral-perovskite optoelectronics
Long, G., Sabatini, R., Saidaminov, M. I., Lakhwani, G., Rasmita, A., Liu, X., Sargent, E. H., & Gao, W. (2020) · Nature Reviews Materials · doi:10.1038/s41578-020-0181-5 · Cited by 909
One-dimensional organic lead halide perovskites with efficient bluish white-light emission
Yuan, Z., Zhou, C., Tian, Y., Shu, Y., Messier, J., Wang, J. C., van de Burgt, L. J., Kountouriotis, K., Xin, Y., Holt, E., et al. (2017) · Nature Communications · doi:10.1038/ncomms14051 · Cited by 804
Tuning the Luminescence of Layered Halide Perovskites
Smith, M. D., Connor, B. A., & Karunadasa, H. I. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00477 · Cited by 802
Self-citationLuminescent zero-dimensional organic metal halide hybrids with near-unity quantum efficiency
Zhou, C., Lin, H., Tian, Y., Yuan, Z., Clark, R., Chen, B., van de Burgt, L. J., Wang, J. C., Zhou, Y., Hanson, K., et al. (2018) · Chemical Science · doi:10.1039/c7sc04539e · Cited by 657
Metadata
- Authors
- Hu, T., Smith, M. D., Dohner, E. R., Sher, M.-J., Wu, X., Trinh, M. T., Fisher, A., Corbett, J., Zhu, X.-Y., Karunadasa, H. I., & Lindenberg, A. M.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-06-03
- Volume
- 7
- Issue
- 12
- Pages
- 2258-2263
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W2418970199
- Cited by
- 542
- References
- 2
- FWCI
- 25.00
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hu, T., Smith, M. D., Dohner, E. R., Sher, M.-J., Wu, X., Trinh, M. T., Fisher, A., Corbett, J., Zhu, X.-Y., Karunadasa, H. I., & Lindenberg, A. M. (2016). Mechanism for Broadband White-Light Emission from Two-Dimensional (110) Hybrid Perovskites. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/acs.jpclett.6b00793
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