三卤化物钙钛矿太阳能电池的耐辐射性能和自修复性能

APL Energy Pub Date : 2023-09-01 DOI:10.1063/5.0158216
Hadi Afshari, Sergio A. Chacon, Shashi Sourabh, Todd A. Byers, Vincent R. Whiteside, Rose Crawford, Bibhudutta Rout, Giles E. Eperon, Ian R. Sellers
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引用次数: 0

摘要

三卤化物钙钛矿太阳能电池的高耐受性和稳定性在高辐照水平的实际空间条件下得到了证明。在质子能量(75 keV, 300 keV和1 MeV)和影响(高达4 × 1014 p/cm2)范围内照射太阳能电池。由于非电离核能损失(主要在<300 keV)和电子电离损失(主要在>300 keV),能量质子辐照的影响发生了变化,以诱导吸收层中相同数量的空位。虽然质子辐照最初导致太阳能电池的光伏参数退化,但两个月后观察到自愈,设备的性能显示恢复到原始运行水平。它们在辐射照射下恢复的能力支持了钙钛矿太阳能电池在下一代太空任务中的实际潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Radiation tolerance and self-healing in triple halide perovskite solar cells
The high tolerance and stability of triple halide perovskite solar cells is demonstrated in practical space conditions at high irradiation levels. The solar cells were irradiated for a range of proton energies (75 keV, 300 keV, and 1 MeV) and fluences (up to 4 × 1014 p/cm2). The fluences of the energy proton irradiations were varied to induce the same amount of vacancies in the absorber layer due to non-ionizing nuclear energy loss (predominant at &lt;300 keV) and electron ionization loss (predominant at &gt;300 keV). While proton irradiation of the solar cells initially resulted in degradation of the photovoltaic parameters, self-healing was observed after two months where the performance of the devices was shown to return to their pristine operation levels. Their ability to recover upon radiation exposure supports the practical potential of perovskite solar cells for next-generation space missions.
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