Ultrafast carrier interactions in metal-halide perovskites probed with two-dimensional electronic spectroscopy

被引：0
|
作者：
Richter, Johannes M. [1 ]
Branchi, Federico [2 ]
Camargo, Franco V. A. [2 ]
Nagahara, Tetsuhiko [2 ,3 ]
Zhao, Baodan [1 ]
Friend, Richard H. [1 ]
Cerullo, Giulio [2 ]
Deschler, Felix [1 ]
机构：
[1] Univ Cambridge, Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England
[2] IFN CNR, Dipartimento Fis, Piazza L da Vinci 32, I-20133 Milan, Italy
[3] Kyoto Inst Technol, Dept Chem & Mat Technol, Kyoto, Japan
来源：
XXI INTERNATIONAL CONFERENCE ON ULTRAFAST PHENOMENA 2018 (UP 2018) | 2019年 / 205卷
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1051/epjconf/201920504012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
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页数：3
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