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Substitutional Chemistry of MAPbI3: Gaining Control over Material Photostability and Photovoltaic Performance via Pb2+ Replacementстатья
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или Scopus- Авторы: Ustinova Marina I., Lobanov Maxim V., Shilov Gennadii V., Dremova Nadezhda N., Akbulatov Azat F., Gutsev Lavrenty G., Zhidkov Ivan S., Kurmaev Ernst Z., Prudnov Fedor A., Ivanov Andrei V., Frolova Lyubov A., Aldoshin Sergey M., Troshin Pavel A.
- Журнал: Advanced Functional Materials
- Год издания: 2024
- Издательство: John Wiley & Sons Ltd.
- Местоположение издательства: United Kingdom
- Первая страница: 2407571
- DOI: 10.1002/adfm.202407571
- Аннотация: The strategy of partial Pb2+ substitution is applied, in prototypical MAPbI3perovskite, with a large array of metal cations in order to comprehensivelyexplore their possible incorporation in the perovskite lattice at Pb2+ sitesand thus obtain improved photostability of the absorber. An analysis of latticeparameters and optoelectronic properties of MAPb1-xMxI∼3 compositionsallowed authors to deduce which metal cations are partially incorporated in theperovskite structure and which are expelled in the form of secondary phases.Curious effects of metal incorporation are observed, such as a decrease inthe tetragonal distortion ratio and a change in the band gap. This work revealsthat the doping of 11 metal cations significantly improves the photostability ofthe MAPbI3 films. Multiple MAPb1-xMxI∼3 formulations deliver superior powerconversion efficiencies (PCEs) in solar cells. The DFT calculations furtherdemonstrate a complex relationship between the synthetic conditions and doping patterns. The performed study is thus a stepping stone in the developmentof more stable perovskite absorbers with superior photovoltaic properties.
- Добавил в систему: Алдошин Сергей Михайлович