Infrared Emission from Photoexcited MAPbBr3 Perovskite Film

被引：0
作者：
Carpenella, V [1 ]
Nucara, A. [2 ]
Postorino, P. [2 ]
Dini, D. [3 ]
Di Girolamo, D. [4 ]
Petrillo, C. [5 ]
Fasolato, C. [6 ]
机构：
[1] Univ Roma Tre, Dept Sci, I-00146 Rome, Italy
[2] Sapienza Univ Rome, Dept Phys, I-00185 Rome, Italy
[3] Sapienza Univ Rome, Dept Chem, I-00185 Rome, Italy
[4] Univ Roma Tor Vergata, Dept Elect Engn, CHOSE, I-00133 Rome, Italy
[5] Univ Perugia, Dept Phys & Geol, I-06123 Perugia, Italy
[6] Sapienza Univ Rome, Ist Sistemi Complessi, CNR ISC, I-00185 Rome, Italy
来源：
2022 47TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ 2022) | 2022年
关键词：
LENGTHS;
D O I：
10.1109/IRMMW-THz50927.2022.9895686
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Hybrid perovskites have been intensely studied in the last 20 years of research for their extraordinary charge transport properties and peculiar thermalization dynamics. In this study, we show a reflectivity-based, mid-IR analysis of IRAV modes on a photoexcited MAPbBr(3) film sample. Reflectance peaks that arise after above-bandgap photoexcitation are explained as radiative infrared emission from the vibrational polaronic states.
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页数：2
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