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Temperature- and Component-Dependent Degradation of Perovskite Photovoltaic Materials under Concentrated Sunlight
Abstract
We report on accelerated degradation testing of MAPbX3 films (X = I or Br) by exposure to concentrated sunlight of 100 suns and show that the evolution of light absorption and the corresponding structural modifications are dependent on the type of halide ion and the exposure temperature. One hour of such exposure provides a photon dose equivalent to that of one sun exposure for 100 hours. The degradation in absorption of MAPbI3 films after exposure to 100 suns for 60 min at elevated sample temperature (∼45-55 °C), due to decomposition of the hybrid perovskite material, is documented. No degradation was observed after exposure to the same sunlight concentration but at a lower sample temperature (∼25 °C). No photobleaching or decomposition of MAPbBr3 films was observed after exposure to similar stress conditions (light intensity, dose, and temperatures). Our results indicate that the degradation is highly dependent on the hybrid perovskite composition and can be light- and thermally enhanced.
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Cited by
Wang, F., Geng, W., Zhou, Y., Fang, H., Tong, C., Loi, M. A., Liu, L., & Zhao, N. (2016) · Advanced Materials · doi:10.1002/adma.201603062 · Cited by 624
Bag, M., Renna, L. A., Adhikari, R. Y., Karak, S., Liu, F., Lahti, P. M., Russell, T. P., Tuominen, M. T., & Venkataraman, D. (2015) · Journal of the American Chemical Society · doi:10.1021/jacs.5b08535 · Cited by 499
Recent advances in perovskite solar cells: efficiency, stability and lead-free perovskite
Yang, S., Fu, W., Zhang, Z., Chen, H., & Li, C.-Z. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta00366h · Cited by 486
New-generation integrated devices based on dye-sensitized and perovskite solar cells
Yun, S., Qin, Y., Uhl, A. R., Vlachopoulos, N., Yin, M., Li, D., Han, X., & Hagfeldt, A. (2018) · Energy & Environmental Science · doi:10.1039/c7ee03165c · Cited by 478
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
Metadata
- Authors
- Misra, R. K., Aharon, S., Li, B., Mogilyansky, D., Visoly-Fisher, I., Etgar, L., & Katz, E. A.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-01-08
- Volume
- 6
- Issue
- 3
- Pages
- 326-330
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W2095995071
- Cited by
- 552
- References
- 0
- FWCI
- 27.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- Misra, R. K., Aharon, S., Li, B., Mogilyansky, D., Visoly-Fisher, I., Etgar, L., & Katz, E. A. (2015). Temperature- and Component-Dependent Degradation of Perovskite Photovoltaic Materials under Concentrated Sunlight. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/jz502642b
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