M. I. Ustinova, G. V. Shilov, D. V. Korchagin, N. N. Dremova, P. A. Troshin, S. M. Aldoshin, L. A. Frolova, “Partial lead substitution as a tool to manage the light-induced recrystallization and photostability of mixed-cation lead halide perovskites”, Mendeleev Commun., 35:5 (2025), 569

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Mendeleev Communications, 2025, Volume 35, Issue 5, Pages 569–572
DOI: https://doi.org/10.71267/mencom.7697 (Mi mendc5855)

Communications

Partial lead substitution as a tool to manage the light-induced recrystallization and photostability of mixed-cation lead halide perovskites

M. I. Ustinova^ab, G. V. Shilov^a, D. V. Korchagin^a, N. N. Dremova^a, P. A. Troshin^ca, S. M. Aldoshin^a, L. A. Frolova^a

^a Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Moscow Region, Russian Federation
^b Centre for Hybrid and Organic Solar Energy, Department of Electronic Engineering, University of Rome Tor Vergata, 00133 Rome, Italy
^c Zhengzhou Research Institute, Harbin Institute of Technology, 450003 Zhengzhou, China

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DOI: https://doi.org/10.71267/mencom.7697

Graphic abstract: Partial lead substitution as a tool to manage the light-induced recrystallization and photostability of mixed-cation lead halide perovskites

Abstract: Substitution of Pb²⁺ ions in lead halide perovskite Cs_0.12FA_0.88PbI₃ (FA is formamidinium cation) was investigated to address the issues of its phase stability and photostability. The incorporation of optimally selected Nd³⁺, Tb³⁺ and Er³⁺ cations into Cs_0.12FA_0.88Pb_0.99M_0.02/nI₃ films significantly suppressed the light-induced recrystallization and photodegradation, maintaining the morphology, optical properties and phase composition after 9000 h of light exposure, and improved the efficiency and operational stability of perovskite solar cells.

Keywords: perovskite solar cells, Cs_0.12FA_0.88Pb_0.99I₃, phase stability, photostability, light-induced recrystallization, partial lead substitution, long-term stability, operational stability.

Funding agency	Grant number
Ministry of Science and Higher Education of the Russian Federation	075-15- 2022-1217 (13.2251.21.0163)

Received: 02.12.2024
Accepted: 07.03.2025

Published: 17.07.2025

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Document Type: Article

Language: English

*Supplementary materials:*
		Supplementary_data_1.pdf	(1.5 Mb)

Citation: M. I. Ustinova, G. V. Shilov, D. V. Korchagin, N. N. Dremova, P. A. Troshin, S. M. Aldoshin, L. A. Frolova, “Partial lead substitution as a tool to manage the light-induced recrystallization and photostability of mixed-cation lead halide perovskites”, Mendeleev Commun., 35:5 (2025), 569–572

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Citing articles in Google Scholar: Russian citations, English citations
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