journal article·2025-04Open access

Ameliorating Defects in Wide Bandgap Tin Perovskite Solar Cells Using Fluorinated Solvent and Hydrazide (Small 17/2025)

Dhruba B. Khadka, Yasuhiro Shirai, Ryoji Sahara, Masatoshi Yanagida, Kenjiro Miyano

Small· Volume 21· Issue 17

Abstract

Perovskite Solar Cells In article number 2410048, Dhruba B. Khadka, Ryoji Sahara, and co-workers present molecular passivation in wide bandgap tin-based perovskite solar cells using multifunctional molecules and fluorinated solvent. Authors delve into the interaction of 4-fluoro-benzohydrazide with the perovskite surface, suppression in Sn2+ oxidation, and defect mitigation resulting in enhanced device efficiency and stability. This work paves a non-toxic pathway toward high-performance tandem photovoltaics.
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Research context

OpenAlex topics: Perovskite Materials and Applications

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Affiliations

Photovoltaic Materials Group Center for GREEN Research on Energy and Environmental Materials National Institute for Materials Science (NIMS) 1‐1 Namiki Tsukuba Ibaraki 305‐0044 Japan

Computational Structural Materials Group Research Center for Structural Materials National Institute for Materials Science (NIMS) 1‐2‐1, Sengen Tsukuba Ibaraki 305‐0047 Japan

References

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