纳米线阵列光致发光：径向无序与最佳效率设计
Nanowire array photovoltaics: Radial disorder versus design for optimal efficiency
摘要：
基于无序纳米结构的太阳能电池设计往往比具有均匀吸收体的结构具有更高的效率，尽管原因尚不清楚。为了解决这个问题，我们使用半解析的方法来确定的物理机制，导致提高效率的阵列含有纳米线与各种半径。我们使用我们的研究结果来系统地设计优于随机组成的结构的阵列。一个最终的效率为23.75%，实现了与阵列含有30%的硅，增加了近10%以上的均匀膜的厚度相等。
英文摘要：
Solar cell designs based on disordered nanostructures tend to have higher efficiencies than structures with uniform absorbers, though the reason is poorly understood. To resolve this, we use a semi-analytic approach to determine the physical mechanism leading to enhanced efficiency in arrays containing nanowires with a variety of radii. We use our findings to systematically design arrays that outperform randomly composed structures. An ultimate efficiency of 23.75% is achieved with an array containing 30% silicon, an increase of almost 10% over a homogeneous film of equal thickness.
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