Theoretical Study on The Improvement of Light Absorption Efficiency of Organic Solar Cells by Moth Eye Structures

BAI Yu; GUO Xiao-yang; LIU Xing-yuan

doi:10.3788/fgxb20153605.0539

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Theoretical Study on The Improvement of Light Absorption Efficiency of Organic Solar Cells by Moth Eye Structures

更新时间：2020-08-12

- Theoretical Study on The Improvement of Light Absorption Efficiency of Organic Solar Cells by Moth Eye Structures
- Chinese Journal of Luminescence Vol. 36, Issue 5, Pages: 539-544(2015)
- 作者机构：
  
  发光学及应用国家重点实验室中国科学院长春光学精密机械与物理研究所,吉林长春,130033
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20153605.0539
  CLC： O484.4
- Received：31 January 2015，
  
  Revised：03 March 2015，
  
  Published：03 May 2015
- 稿件说明：
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白昱, 郭晓阳, 刘星元. 利用蛾眼结构提高有机太阳能电池光吸收效率的理论研究[J]. 发光学报, 2015,36(5): 539-544

BAI Yu, GUO Xiao-yang, LIU Xing-yuan. Theoretical Study on The Improvement of Light Absorption Efficiency of Organic Solar Cells by Moth Eye Structures[J]. Chinese Journal of Luminescence, 2015,36(5): 539-544
白昱, 郭晓阳, 刘星元. 利用蛾眼结构提高有机太阳能电池光吸收效率的理论研究[J]. 发光学报, 2015,36(5): 539-544 DOI： 10.3788/fgxb20153605.0539.

BAI Yu, GUO Xiao-yang, LIU Xing-yuan. Theoretical Study on The Improvement of Light Absorption Efficiency of Organic Solar Cells by Moth Eye Structures[J]. Chinese Journal of Luminescence, 2015,36(5): 539-544 DOI： 10.3788/fgxb20153605.0539.

摘要

为提高有机太阳能电池(OSCs)的能量转换效率

将蛾眼微结构应用于OSCs上。通过理论模拟计算

得出在有机层厚度一定的情况下

带有蛾眼微结构的OSCs相比于普通平板结构的OSCs的光吸收效率有较大的提高。通过对微结构形貌、周期和高度的优化

使蛾眼结构OSCs的光吸收效率比普通平板OSCs提高了11.3%。器件光场分布的模拟计算表明

光吸收效率的提高是由蛾眼结构减反增透的效果和表面等离子体(SPP)增强吸收共同导致的结果。

Abstract

In order to improve the energy conversion efficiency of organic solar cells (OSCs)

the moth-eye structure was applied to OSCs. According to the theoretical simulation

in a certain active layer thickness

the moth-eye OSCs has a large enhancement in light absorption efficiency compared with the planar OSCs. Through the optimization of microstructure morphology

period and height

the moth-eye OSCs has an increase of 11.3% in light absorption efficiency than the planar OSCs. The simulation of the distribution of magnetic field intensity in the moth-eye OSCs indicates that the light absorption enhancement can be attributed to both the anti-reflective effect of moth-eye structures and the enhanced absorption effect of the surface plasmon polariton (SPP).

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