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Alternative title: 光電流の熱ヒステリシスを用いたペロブスカイト太陽電池の劣化の調査

Description:

Investigating the degradation mechanisms of perovskite solar cells (PSCs) is paramount to addressing stability-related issues. Our study delves into　the deterioration of PSC by probing thermal hysteresis of photocurrent (THPC) and thermally active ionic dynamics. THPC emission reveals alterations influenced by interfacial ionic or charge accumulation. Photogenerated current exhibits a significantly higher degree of variation in degraded devices with a wide range of ionic charge densities. This highlights the substantial influence of thermally active ionic charge on PSC performance degradation, particularly in devices with lower photocurrent. This study highlights the direct correlation between the degradation of PSC devices and the presence of thermally activated charges.

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Keyword: Perovskite Solar Cells, Device Degardation, Degradation mechanism, Photocurrent Hysteresis , Capacitance Spectroscopy

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Conference: 53rd IEEE Photovoltaic Specialists Conference (2025-06-08 - 2025-06-13)

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Manuscript type: Not a journal article

MDR DOI: https://doi.org/10.48505/nims.5560

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Updated at: 2025-07-04 16:30:38 +0900

Published on MDR: 2025-07-04 16:25:46 +0900