表面钝化三阳离子钙钛矿太阳能电池输出功率的自发增强

2020 47th IEEE Photovoltaic Specialists Conference (PVSC) Pub Date : 2020-06-14 DOI:10.1109/PVSC45281.2020.9300632

S. Moghadamzadeh, S. Gharibzadeh, M. Jakoby, M. R. Khan, A. Haghighirad, I. Howard, B. Richards, U. Lemmer, U. Paetzold

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引用次数: 0

摘要

有机-无机钙钛矿混合太阳能电池(PSCs)的功率转换效率在黑暗环境中自发提高，有时仅在几天后就达到最大值。在大多数情况下，增加开路电压有助于提高效率。这项工作研究了表面钝化的作用，以2D/3D钙钛矿异质结构的形式，在三阳离子PSC的孔提取侧自发增强。我们的观察表明，自发增强发生在表面钝化器件上，因此排除了表面钝化机制引发自发增强的可能性。

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Spontaneous Enhancement of the Power Output in Surface-Passivated Triple-Cation Perovskite Solar Cells

The power conversion efficiency of hybrid organic-inorganic perovskite solar cells (PSCs) has been reported to increase spontaneously during storage in the dark and reaches its maximum sometimes only after several days. In most cases, an increased open-circuit voltage contributes to enhanced efficiency. This work investigates the role of surface passivation, in a form of 2D/3D perovskite heterostructures, at the hole extracting side of a triple-cation PSC in the spontaneous enhancement. Our observations demonstrate that spontaneous enhancement occurs for surface-passivated devices and therefore rule out surface passivation mechanisms initiating the spontaneous enhancement.

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2020 47th IEEE Photovoltaic Specialists Conference (PVSC)

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