The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Optical Investigation of Broadband White-Light Emission in Self-Assembled Organic–Inorganic Perovskite (C6H11NH3)2PbBr4
Open accessAbstract
The performance of hybrid organic perovskite (HOP) for solar energy conversion is driving a renewed interest in their light emitting properties. The recent observation of broad visible emission in layered HOP highlights their potential as white-light emitters. Improvement of the efficiency of the material requires a better understanding of its photophysical properties. We present in-depth experimental investigations of white-light (WL) emission in thin films of the (C 6 H 11 NH 3 ) 2 PbBr 4 . The broadband, strongly Stokes shifted emission presents a maximum at 90 K when excited at 3.815 eV, and below this temperature coexists with an excitonic edge emission. X-rays and calorimetry measurements exclude the existence of a phase transition as an origin of the thermal behavior of the WL luminescence. The free excitonic emission quenches at low temperature, despite a binding energy estimated to 280 meV. Time-resolved photoluminescence spectroscopy reveals the multicomponent nature of the broad emission. We analyzed the dependence of these components as a function of temperature and excitation energy. The results are consistent with the existence of self-trapped states. The quenching of the free exciton and the thermal evolution of the WL luminescence decay time are explained by the existence of an energy barrier against self-trapping, estimated to ∼10 meV.
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Cites
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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
Advanced Organic–Inorganic Hybrid Materials for Optoelectronic Applications
Zhou, K., Qi, B., Liu, Z., Wang, X., Sun, Y., & Zhang, L. (2024) · Advanced Functional Materials · doi:10.1002/adfm.202411671 · Cited by 228
Physisorption induced p-xylene gas-sensing performance of (C4H9NH3)2PbI4 layered perovskite
Zhu, M.-Y., Zhang, L.-X., Yin, J., Chen, J.-J., Bie, L.-J., & Fahlman, B. D. (2019) · Sensors and Actuators B: Chemical · doi:10.1016/j.snb.2018.11.124 · Cited by 45
Metadata
- Authors
- Yangui, A., Garrot, D., Lauret, J. S., Lusson, A., Bouchez, G., Deleporte, E., Pillet, S., Bendeif, E. E., Castro, M., Triki, S., Abid, Y., & Boukheddaden, K.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-10-06
- Volume
- 119
- Issue
- 41
- Pages
- 23638-23647
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2514183635
- Cited by
- 312
- References
- 24
- FWCI
- 12.19
- Type
- journal article
- Language
- en
- Open access
- green
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- Yangui, A., Garrot, D., Lauret, J. S., Lusson, A., Bouchez, G., Deleporte, E., Pillet, S., Bendeif, E. E., Castro, M., Triki, S., Abid, Y., & Boukheddaden, K. (2015). Optical Investigation of Broadband White-Light Emission in Self-Assembled Organic–Inorganic Perovskite (C6H11NH3)2PbBr4. The Journal of Physical Chemistry C. https://doi.org/10.1021/acs.jpcc.5b06211
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