The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Photoinduced Emissive Trap States in Lead Halide Perovskite Semiconductors
Abstract
The recent success of lead halide perovskites is given by their optimal primary optoelectronic properties relevant for photovoltaic and, more in general, for optoelectronic applications. However, a lack of knowledge about the nature of instabilities currently represents a major challenge for the development of such materials. Here we investigate the luminescence properties of polycrystalline thin films of lead halide perovskites as a function of the excitation density and the environment. First we demonstrate that in an inert environment photoinduced formation of emissive sub-band gap defect states happens, independently of the chemical composition of the lead halide semiconductor, which quenches the band-to-band radiative emission. Carrier trapping occurs in the subnanosecond time regime, while trapped carriers recombine in a few microseconds. Then, we show that the presence of oxygen, even in a very small amount, is able to compensate such an effect.
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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
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
Tress, W., Yavari, M., Domanski, K., Yadav, P., Niesen, B., Correa Baena, J. P., Hagfeldt, A., & Graetzel, M. (2018) · Energy & Environmental Science · doi:10.1039/c7ee02415k · Cited by 843
Iodine chemistry determines the defect tolerance of lead-halide perovskites
Meggiolaro, D., Motti, S. G., Mosconi, E., Barker, A. J., Ball, J., Andrea Riccardo Perini, C., Deschler, F., Petrozza, A., & De Angelis, F. (2018) · Energy & Environmental Science · doi:10.1039/c8ee00124c · Cited by 674
Self-citationKang, D., & Park, N. (2019) · Advanced Materials · doi:10.1002/adma.201805214 · Cited by 498
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
Controlling competing photochemical reactions stabilizes perovskite solar cells
Motti, S. G., Meggiolaro, D., Barker, A. J., Mosconi, E., Perini, C. A. R., Ball, J. M., Gandini, M., Kim, M., De Angelis, F., & Petrozza, A. (2019) · Nature Photonics · doi:10.1038/s41566-019-0435-1 · Cited by 425
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Metadata
- Authors
- Motti, S. G., Gandini, M., Barker, A. J., Ball, J. M., Srimath Kandada, A. R., & Petrozza, A.
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-09-09
- Volume
- 1
- Issue
- 4
- Pages
- 726-730
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W2512576243
- Cited by
- 166
- References
- 2
- FWCI
- 10.82
- Type
- journal article
- Language
- en
- Open access
- closed
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