Design of An Amorphous Silicon Thin-film Sloar Cell with Absorption Enhancement

SHEN Hong-jun; ZHANG Rui; LU Hui-dong

doi:10.3788/fgxb20133406.0753

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Design of An Amorphous Silicon Thin-film Sloar Cell with Absorption Enhancement

更新时间：2020-08-12

- Design of An Amorphous Silicon Thin-film Sloar Cell with Absorption Enhancement
- Chinese Journal of Luminescence Vol. 34, Issue 6, Pages: 753-757(2013)
- 作者机构：
  
  宁夏大学物理电气信息学院,宁夏银川,750021
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133406.0753
  CLC： O431
- Received：26 December 2012，
  
  Revised：12 April 2013，
  
  Published：10 June 2013
- 稿件说明：
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沈宏君, 张瑞, 卢辉东. 一种增加光吸收的非晶硅薄膜太阳能电池的设计[J]. 发光学报, 2013,34(6): 753-757

SHEN Hong-jun, ZHANG Rui, LU Hui-dong. Design of An Amorphous Silicon Thin-film Sloar Cell with Absorption Enhancement[J]. Chinese Journal of Luminescence, 2013,34(6): 753-757
沈宏君, 张瑞, 卢辉东. 一种增加光吸收的非晶硅薄膜太阳能电池的设计[J]. 发光学报, 2013,34(6): 753-757 DOI： 10.3788/fgxb20133406.0753.

SHEN Hong-jun, ZHANG Rui, LU Hui-dong. Design of An Amorphous Silicon Thin-film Sloar Cell with Absorption Enhancement[J]. Chinese Journal of Luminescence, 2013,34(6): 753-757 DOI： 10.3788/fgxb20133406.0753.

摘要

分别设计与优化了非晶薄膜太阳能电池的上表层和电池底部结构

采用严格耦合波方法(RCWA)数值计算了电池的光吸收。计算结果表明:在仅考虑TM偏振的情况下

优化后的增透膜与无增透膜相比

300~840 nm波长范围内的吸收平均提高了35%左右;优化后的背反射器与无背反射器相比

700~840 nm波长范围内的吸收平均提高了23%左右。该非晶硅薄膜太阳能电池结构在全角宽频范围内有较高吸收

可以提高太阳能电池的转化效率。

Abstract

The front-surface and the bottom of amorphous silicon(a-Si) thin-film solar cell are designed respectively. Light absorption is calculated by using the rigorous coupled wave analysis(RCWA). In TM polarization

the absorption of solar cells with optimized AR coating can be increased by an average of 35% compared with that without AR coating in the range of 300~840 nm. Furthermore

the absorption of solar cells with optimized back reflector can be increased by an average of 23% compared with that without back reflector in the range of 700~840 nm. The amorphous silicon(a-Si) thin-film solar cell that we design has broadband and omnidirectional absorption

so that it can improve the conversion efficiency of solar cells.

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Keywords

references

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