Radiation hard thin-film solar cell technologies are necessary in order to achieve a step forward in the specific power of solar arrays for space applications. In this article, we analyze the degradation of nanowire (NW) solar cells under high energy particles. GaAs NW solar cells have been irradiated with protons of 100 and 350 keV at different fluences. The radiation hardness of the NW solar cells in all the cases is remarkable in comparison with GaAs planar solar cells and prior literature. Design guidelines to optimize the specific power of NW solar cells for space applications by jointly increasing their efficiency and radiation hardness are presented.

中文翻译：

---

纳米线太阳能电池：一种用于空间应用的新型抗辐射光伏技术

辐射硬薄膜太阳能电池技术是必要的，以便在空间应用的太阳能电池阵列的特定功率方面取得进步。在本文中，我们分析了纳米线 (NW) 太阳能电池在高能粒子下的退化。GaAs NW 太阳能电池已用 100 和 350 keV 的质子以不同的能量密度进行辐照。与 GaAs 平面太阳能电池和现有文献相比，所有情况下 NW 太阳能电池的辐射硬度都非常显着。提出了通过共同提高效率和辐射硬度来优化空间应用的 NW 太阳能电池比功率的设计指南。