Real-time observation of the buildup of polaron in α-FAPbI3

Xingyu Yue; Chunwei Wang; Bo Zhang; Zeyu Zhang; Zhuang Xiong; Xinzhi Zu; Zhengzheng Liu; Zhiping Hu; George Omololu Odunmbaku; Yujie Zheng; Kuan Sun; Juan Du

doi:10.1038/s41467-023-36652-4

Nature Communications (Feb 2023)

Real-time observation of the buildup of polaron in α-FAPbI3

Xingyu Yue,
Chunwei Wang,
Bo Zhang,
Zeyu Zhang,
Zhuang Xiong,
Xinzhi Zu,
Zhengzheng Liu,
Zhiping Hu,
George Omololu Odunmbaku,
Yujie Zheng,
Kuan Sun,
Juan Du

Affiliations

Xingyu Yue: State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS)
Chunwei Wang: State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS)
Bo Zhang: MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering, Chongqing University
Zeyu Zhang: State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS)
Zhuang Xiong: MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering, Chongqing University
Xinzhi Zu: State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS)
Zhengzheng Liu: State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS)
Zhiping Hu: School of Physics and Optoelectronic Engineering, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences
George Omololu Odunmbaku: MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering, Chongqing University
Yujie Zheng: MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering, Chongqing University
Kuan Sun: MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering, Chongqing University
Juan Du: State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS)

DOI: https://doi.org/10.1038/s41467-023-36652-4
Journal volume & issue: Vol. 14, no. 1
pp. 1 – 6

Abstract

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Polaron formation is considered to play a crucial role to enhance photoelectric performance of hybrid halide perovskites. Here, the authors report the real-time observation of polaron formation process by terahertz emission spectroscopy and reveal two different polaron modes in FAPbI3 films.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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