Large polaron evidence in the ultrafast THz response of Lead-Halide Perovskites

Eugenio Cinquanta; Daniele Meggiolaro; Silvia G. Motti; Marina Gandini; Marcelo Alcocer; Akkerman Quinten A.; Caterina Vozzi; Liberato Manna; Annamaria Petrozza; Filippo De Angelis; Salvatore Stagira

doi:10.1051/epjconf/201920504019

All issues

Volume 205 (2019)

EPJ Web Conf., 205 (2019) 04019

Abstract

Open Access

Issue		EPJ Web Conf. Volume 205, 2019 XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)


Article Number		04019
Number of page(s)		3
Section		Dynamics in Solids
DOI		https://doi.org/10.1051/epjconf/201920504019
Published online		16 April 2019

EPJ Web of Conferences 205, 04019 (2019)
https://doi.org/10.1051/epjconf/201920504019

Large polaron evidence in the ultrafast THz response of Lead-Halide Perovskites

Eugenio Cinquanta¹^,2^*, Daniele Meggiolaro³⁴, Silvia G. Motti⁵, Marina Gandini⁵, Marcelo Alcocer¹, Akkerman Quinten A.⁶^,7, Caterina Vozzi², Liberato Manna⁶, Annamaria Petrozza⁵, Filippo De Angelis³^,4 and Salvatore Stagira¹^,2

¹ Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
² CNR-IFN, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
³ Computational Laboratory for Hybrid/Organic Photovoltaics, CNR-MS, Via Elce di Sotto 8, I-06123 Perugia, Italy
⁴ D3-CompuNet, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
⁵ Center for Nano Science and Technology, Istituto Italiano di Tecnologia, via Giovanni Pascoli 70/3, Milan 20133, Italy
⁶ Department of Nanochemistry, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
⁷ Dipartimento di Chimica e Chimica Industriale, Universita degli Studi di Genova, Via Dodecaneso, 31, 16146, Genova, Italy

^* Corresponding author: eugenioluigi.cinquanta@polimi.it

Published online: 16 April 2019

Abstract

We unveil the large polaron fingerprints in the transient THz dielectric response of lead-halide perovskites. We clarify the mechanism underlying the physics of charge transport of full-inorganic lead-halide perovskites by combining ultrafast Thz spectroscopy with DFT calculations.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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