Reducing hot carrier cooling rate in metal halide perovskites through lead vacancies: time-domain <i>ab initio</i> analysis-Reference-Cited by-同舟云学术

Reducing hot carrier cooling rate in metal halide perovskites through lead vacancies: time-domain ab initio analysis

Published:2024 Issue:13 Volume:11 Page:3950-3960
ISSN:2052-1553
Container-title:Inorganic Chemistry Frontiers
language:en
Short-container-title:Inorg. Chem. Front.

Author:

Hu Junguang¹,Li Ning¹,Xie Junping²,Pei Yong²,Prezhdo Oleg V.³^ORCID,Li Wei¹^ORCID

Affiliation:

1. School of Chemistry and Materials Science, Hunan Agricultural University, Changsha, PR China

2. Department of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, Xiangtan University, Xiangtan 411105, China

3. Department of Chemistry, University of Southern California, Los Angeles, California 90089, USA

Abstract

Pb vacancies slow down hot carrier cooling dynamics in MAPbI3 perovskites by introducing intraband states that can trap holes and by decreasing the deformation of the [PbI6]4− octahedron, which leads to weakened electron–phonon coupling.

Funder

National Natural Science Foundation of China

Science and Technology Program of Hunan Province

National College Students Innovation and Entrepreneurship Training Program

U.S. Department of Energy

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/QI/D4QI00833B

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1. Energy Versus Electron Transfer: Managing Excited-State Interactions in Perovskite Nanocrystal–Molecular Hybrids

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5. Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells