Effects of Electrodes on The Optical Performance of CuPc/C60 Bilayer Heterojunction Organic Solar Cells

LI Xiang; WEN Shang-sheng; HE Qian-hua; JI Fei; YAO Ri-hui

doi:10.3788/fgxb20123308.0888

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Effects of Electrodes on The Optical Performance of CuPc/C₆₀ Bilayer Heterojunction Organic Solar Cells

更新时间：2020-08-12

- Effects of Electrodes on The Optical Performance of CuPc/C₆₀ Bilayer Heterojunction Organic Solar Cells
- Chinese Journal of Luminescence Vol. 33, Issue 8, Pages: 888-894(2012)
- 作者机构：
  
  1. 华南理工大学高分子光电材料与器件研究所,广东广州,510640
  2. 华南理工大学发光材料与器件国家重点实验室,广东广州,510640
  3. 华南理工大学电子与信息学院, 广东广州 510640
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123308.0888
  CLC： TM914.4+2
- Received：19 April 2012，
  
  Revised：13 June 2012，
  
  Published：10 August 2012
- 稿件说明：
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李祥, 文尚胜, 贺前华, 季飞, 姚日晖. 电极对CuPc/C60双层异质结有机太阳能电池光学性能的影响[J]. 发光学报, 2012,33(8): 888-894

LI Xiang, WEN Shang-sheng, HE Qian-hua, JI Fei, YAO Ri-hui. Effects of Electrodes on The Optical Performance of CuPc/C60 Bilayer Heterojunction Organic Solar Cells[J]. Chinese Journal of Luminescence, 2012,33(8): 888-894
李祥, 文尚胜, 贺前华, 季飞, 姚日晖. 电极对CuPc/C60双层异质结有机太阳能电池光学性能的影响[J]. 发光学报, 2012,33(8): 888-894 DOI： 10.3788/fgxb20123308.0888.

LI Xiang, WEN Shang-sheng, HE Qian-hua, JI Fei, YAO Ri-hui. Effects of Electrodes on The Optical Performance of CuPc/C60 Bilayer Heterojunction Organic Solar Cells[J]. Chinese Journal of Luminescence, 2012,33(8): 888-894 DOI： 10.3788/fgxb20123308.0888.

摘要

采用传输矩阵法的光学模型以及MATLAB软件模拟了电极对CuPc/C

双层异质结有机太阳能电池光学性能的影响。模拟结果表明:当把微腔结构引入到双层异质结电池时

对于入射电极

发现活性层的吸光率主要受其反射相移的影响而非其透射率

并且通过变化入射电极相移调节层到合适厚度可以使活性层吸光率相比于传统器件增加很多;而当把正负折射率交替的光子晶体引入到电池中作为背电极时

发现活性层的吸光率和背电极反射率、反射相移都有很大关系

在获得高反射率的同时可以通过调节背电极厚度从而使活性层在整个吸收光谱内的吸光率大于传统器件。

Abstract

The effects of electrodes on the optical performance of bilayer heterojunction organic solar cells have been investigated by employing MATLAB and transfer matrix method. The simulations reveal that the absorption of active layer is mainly influenced by phase shift of reflection in top electrode but not the transmittivity when microcavity structure is introduced into bilayer heterojunction organic solar cells. A significant improvement of light absorption has been achieved due to the optical resonance effect by adjusting the thickness of top capping layer. Furthermore

the simulations demonstrate that both reflectivity and reflection phase shift of back electrode play important roles in active layer optical absorption when one-dimensional photon-crystals(1DPCs) composed of positive and negative refractive index materials are introduced into bilayer heterojunction organic solar cells. The optical absorption in new device can be enhanced at a broad wavelength range comparing to traditional device by adjusting the thickness of back electrode when the period of 1DPCs is 10.

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references

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