| Issue |
EPJ Web Conf.
Volume 205, 2019
XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|
|
|---|---|---|
| Article Number | 04012 | |
| Number of page(s) | 3 | |
| Section | Dynamics in Solids | |
| DOI | https://doi.org/10.1051/epjconf/201920504012 | |
| Published online | 16 April 2019 | |
https://doi.org/10.1051/epjconf/201920504012
Ultrafast carrier interactions in metal-halide perovskites probed with two-dimensional electronic spectroscopy
1 Cavendish Laboratory, University of Cambridge, J J Thomson Avenue, Cambridge CB3 0HE, UK
2 IFN-CNR, Dipartimento di Fisica, Piazza L. da Vinci 32, 20133 Milano, Italy
3 Kyoto Institute of Technology, Department of Chemistry and Materials Technology, Kyoto, Japan
* Corresponding author: francovalduga@gmail.com
Published online: 16 April 2019
We use 2D electronic spectroscopy with sub-10-fs resolution to probe carrier-carrier scattering in perovskites. We report excitation-density dependent thermalization times below 100-fs. Strong coupling with excitonic states further reveals sub-bandgap states with low oscillator strength.
© The Authors, published by EDP Sciences, 2019
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