Investigation of Degradation in Perovskite Solar Cells Using Thermal Hysteresis of Photocurrent

KHADKA Dhruba Bahadur; YANAGIDA Masatoshi; SHIRAI Yasuhiro

ポスター Investigation of Degradation in Perovskite Solar Cells Using Thermal Hysteresis of Photocurrent

KHADKA Dhruba Bahadur (Research Center for Energy and Environmental Materials (GREEN)/Battery and Cell Materials Field/Photovoltaic Materials Group, National Institute for Materials Science) ; YANAGIDA Masatoshi (Research Center for Energy and Environmental Materials (GREEN)/Battery and Cell Materials Field/Photovoltaic Materials Group, National Institute for Materials Science) ; SHIRAI Yasuhiro (Research Center for Energy and Environmental Materials (GREEN)/Battery and Cell Materials Field/Photovoltaic Materials Group, National Institute for Materials Science)

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KHADKA Dhruba Bahadur, YANAGIDA Masatoshi, SHIRAI Yasuhiro. Investigation of Degradation in Perovskite Solar Cells Using Thermal Hysteresis of Photocurrent . https://doi.org/10.48505/nims.5560

(BibTeX)

代替タイトル: 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

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(abstract)

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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