金属光栅用于增强非晶硅薄膜太阳能电池光吸收率研究

李洪敬

金属光栅用于增强非晶硅薄膜太阳能电池光吸收率研究

李洪敬^,

南京晓庄学院教师教育学院,江苏南京 211171

详细信息

通讯作者:
李洪敬（1980-），男，安徽金寨人，讲师，主要从事光学材料结构、激光与光学材料相互作用的研究工作。Email:hongjingli@njxzc.edu.cn

中图分类号: TN252
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出版历程
- 刊出日期: 2014-05-14

Application of metal gratings to enhance optical absorption in thin-film Solar Cells

LI Hong-jing^,

School of Teacher Education,Nanjing Xiaozhuang University,Nanjing 211171,China

摘要

摘要: 提高太阳能电池光电转换效率的一个重要途径就是提高它的光子吸收能力。在传统非晶硅薄膜太阳能电池中加入了金属光栅，设计出一种新的复合电池结构。基于严格耦合波分析矢量衍射理论计算了该结构的吸收光谱和增强因子；讨论了光栅宽度、入射光角度和入射光偏振态对吸收的影响。结果显示，设计的太阳能电池结构能够显著提高光的吸收率，在TM偏振光入射条件下，该结构的吸收增强因子最高可达40%；在其他偏振态光线入射时，其吸收增强因子也可达到16%左右。
- 薄膜太阳能电池 /
- 表面等离子激元 /
- 严格耦合波分析 /
- 增强光吸收
Abstract: Enhancing optical absorption is an important way to improve the photoelectric conversion efficiency of solar cells. A new metal grating-based solar cell structure was designed. The absorption spectrum and enhancement factor were calculated by rigorous coupled wave analysis (RCWA) method. The influences on optical absorption induced by the grating width, the angle and polarized states of the incident light were discussed. The results show that the optical absorption factor in the designed structure can be greatly enhanced up to 40% when the incident wave is transverse magnetic (TM) polarized, and nearly 16% under other incident waves condictions. These indicates that the new solar cell structure can significantly improve the overall optical absorption compared to bare a-Si thin film solar cells.
- solar cells /
- surface plasmon /
- rigorous coupled wave analysis (RCWA) /
- enhanced optical absorption

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参考文献(1)

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金属光栅用于增强非晶硅薄膜太阳能电池光吸收率研究

通讯作者:
李洪敬（1980-），男，安徽金寨人，讲师，主要从事光学材料结构、激光与光学材料相互作用的研究工作。Email:hongjingli@njxzc.edu.cn

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Application of metal gratings to enhance optical absorption in thin-film Solar Cells

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金属光栅用于增强非晶硅薄膜太阳能电池光吸收率研究

通讯作者: 李洪敬（1980-），男，安徽金寨人，讲师，主要从事光学材料结构、激光与光学材料相互作用的研究工作。Email:hongjingli@njxzc.edu.cn

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Application of metal gratings to enhance optical absorption in thin-film Solar Cells

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通讯作者:
李洪敬（1980-），男，安徽金寨人，讲师，主要从事光学材料结构、激光与光学材料相互作用的研究工作。Email:hongjingli@njxzc.edu.cn