| 硅薄膜矩形空芯波导太阳能电池光捕获性能的研究 |
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| 引用本文： | 王琳,王旭,付晓红,郭洪,孙子涵,敬承斌,杨平雄,鲁学会,褚君浩.硅薄膜矩形空芯波导太阳能电池光捕获性能的研究[J].光电子．激光,2018,29(3):235-242. |
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| 作者姓名： | 王琳 王旭 付晓红 郭洪 孙子涵 敬承斌 杨平雄 鲁学会 褚君浩 |
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| 作者单位： | 华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241,华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241,华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241,华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241,华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241,华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241 ;华东师范大学 物理不材料科学学院材料系,上海 200241,华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241,华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241,华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241 |
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| 基金项目： | 国家自然科学基金(61275100,0)资助项目 (1.华东师范大学 信息科学技术学院极化材料不器件教育部重点实验室,上海 200241； 2.华东师范大学 物理不材料科学学院材料系,上海 200241) |
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| 摘 要： | 为提高薄膜电池对光的捕获能力, 将平面硅薄膜电池制 作成矩形空芯波导结构,对其太阳光注入方式、光捕获能力和光-电转换效能进行了理论和 实验探讨。基于 多层膜反射理论和波导反射模型对波导电池光捕获效果的预测表明,波导电池能够将入射光 限制在空芯结 构内多次反射和吸收,具有较平面电池更高的光捕获能力。测定了不同平行光束在不同入射角度 下平面和波导 电池的光捕获功率和光-电转换效能的结果表明,波导电池对入射光功率近似全部捕获,其 光-电功率转换效能 较对应的平面电池有3～5倍的提升。对不同截面尺寸和长度的单结空芯波导电池光捕获率 进行了计算,提 出从电池膜层结构和空芯几何尺寸参数优化硅薄膜矩形空芯波导电池的思路,通过优化有 望实现用小于多结平面电池外形尺寸的单结空芯波导电池达到更好的光捕获效果。
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| 关 键 词： | 硅薄膜电池 矩形空芯波导电池 光捕获能力 光-电转换效能 |
| 收稿时间： | 2017/6/16 0:00:00 |
Study on light capturing ability of silicon thin film rectangular hollow wavegui de solar cell |
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| WANG Lin,WANG Xu,FU Xiao-hong,GUO Hong,SUN Zi-han,JING Che ng-bin,YANG Ping-xiong,LU Xue-hui and CHU Jun-hao.Study on light capturing ability of silicon thin film rectangular hollow wavegui de solar cell[J].Journal of Optoelectronics·laser,2018,29(3):235-242. |
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| Authors: | WANG Lin WANG Xu FU Xiao-hong GUO Hong SUN Zi-han JING Che ng-bin YANG Ping-xiong LU Xue-hui and CHU Jun-hao |
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| Affiliation: | Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China,Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China,Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China,Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China,Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China,Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China ;Department of Materials,School of Physics and Materials Science,East China Normal University,Shanghai 200241,China,Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China,Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China and Key Laboratory of Polar Materials and Devices,Ministry of Education of China, Department of Electronic Engineering, East China Normal University,Shanghai 200241,China |
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| Abstract: | Optimizing solar cell structure is an effective way to improve the light capturi ng ability,even photoelectric conversion efficiency.A rectangle hollow waveguide solar cell was fabricated based on trad itional planner solar cell.The influence of waveguide structure on light injection,light capturing ability and photoelectric conversion efficiency has been theoretically and experimentally investigated.The light capt uring ability of hollow waveguide solar cell was theoretically predicted based on multi-layer reflecting theory and wav eguide reflective model.The incident light can be confined inside the waveguide,reflected and absorbed for multiple times.Results show that the light capturing ability of hollow waveguide structure can be higher than tha t of planner structure.The light capturing abilities and photoelectric conversion efficiencies of the planner solar cell an d the hollow waveguide solar cell were measured with parallel incident beams at different angles.The waveguide solar c ell almost could capture all the incident light and increase the photoelectric conversion efficiency for 3-5tim es,compared with the planner structure solar cell.The light capturing abilities of single junction rectangle hollow wa veguide solar cell with different cross-section areas and waveguide lengths were calculated.A method to optimize the rectangle hollow waveguide structure on the perspective of layer structure and hollow core radius is propos ed.By structural optimization,a better light capturing efficiency may be achieved with smaller hollow waveguide structured single junction solar cell. |
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| Keywords: | silicon thin film solar cell rectangle hollow waveguide solar cell light capturing ability photoelectric conversion efficiency |
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