Compact Meldonium Zwitterion as a Promising Multifunctional Surface Passivator for Perovskite Solar Cells with Increased Stability

Perovskite solar cells (PSCs) have demonstrated substantial development over the past decade; however, this type of device still suffers from insufficient exploitation stability. In this work, a surface passivation approach with compact meldonium zwitterions is successfully applied for the first time. The chemical structure of meldonium zwitterions allows one to achieve a combined effect on perovskite materials, simultaneously improving their optoelectronic properties and stability toward various stress factors. PSCs similarly respond to meldonium passivation via the increase of both power conversion efficiency and thermo-photostability of encapsulated devices. A mechanism of hybrid perovskite passivation by meldonium zwitterions and subsequent stabilization of the light-absorbing material is suggested in this work for the first time.

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Publication Details

Journal
ACS Applied Energy Materials
Published
2025-02-04
DOI
https://doi.org/10.1021/acsaem.4c02820
Citations
1
Primary Topic
Perovskite Materials and Applications
Type
article
Field-Weighted Citation Impact
0.73

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Compact Meldonium Zwitterion as a Promising Multifunctional Surface Passivator for Perovskite Solar Cells with Increased Stability

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Compact Meldonium Zwitterion as a Promising Multifunctional Surface Passivator for Perovskite Solar Cells with Increased Stability

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article en
1 citations

Abstract

Perovskite solar cells (PSCs) have demonstrated substantial development over the past decade; however, this type of device still suffers from insufficient exploitation stability. In this work, a surface passivation approach with compact meldonium zwitterions is successfully applied for the first time. The chemical structure of meldonium zwitterions allows one to achieve a combined effect on perovskite materials, simultaneously improving their optoelectronic properties and stability toward various stress factors. PSCs similarly respond to meldonium passivation via the increase of both power conversion efficiency and thermo-photostability of encapsulated devices. A mechanism of hybrid perovskite passivation by meldonium zwitterions and subsequent stabilization of the light-absorbing material is suggested in this work for the first time.

ACS Applied Energy MaterialsVol. 8(4)
Lomonosov Moscow State University (RU), Kurchatov Institute (RU), Moscow State University (TJ), Shenzhen Technology University (CN), Shenzhen MSU-BIT University
Ministry of Science and Higher Education of the Russian Federation
Affordable and clean energy
Openalex Percentile: Top 32%
Perovskite Materials and Applications
0.73
DOISourceOpenAlex
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