太阳电池减反膜的设计

Design of Antireflection Coatings for Solar Cells

摘要:

设计良好的减反膜系,提高太阳电池的光电转换效率是太阳电池研制中的一个重要问题。文章从减反膜理论出发,利用计算机软件模拟分析,获得了单层膜、双层膜系反射率百分比与波长的关系,并给出了具体入射波长(即632.8nm、800nm)条件下膜的最佳厚度。采用PC1D软件模拟了覆盖减反膜的单晶硅电池的I-V曲线,证实电池转换效率大大提高。研究结果可应用于太阳电池的设计中。

Abstract:

Optimized design of antireflection coatings (ARC) is important for solar cells to obtain high conversion efficiency. Based on the antireflection coatings theory, the reflectivity curves of single layer and double layer ARC were simulated on computer. And the optimized film thickness under various incident wavelengths, such as 632.8nm and 800nm, was demonstrated. The I-V curves of mono-crystal solar cells with different antireflection coatings were simulated with the software PC1D, and the high conversion efficiency was demonstrated.