Effect of Anode Buffer Layer Modification on The Performance of Polymer Solar cells

LI Xiong; XU Deng-hui; ZHAO Jia; GENG Ai-cong; DENG Zhen-bo

doi:10.3788/fgxb20163703.0321

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Effect of Anode Buffer Layer Modification on The Performance of Polymer Solar cells

更新时间：2020-08-12

- Effect of Anode Buffer Layer Modification on The Performance of Polymer Solar cells
- Chinese Journal of Luminescence Vol. 37, Issue 3, Pages: 321-326(2016)
- 作者机构：
  
  1. 北京交通大学光电子技术研究所, 发光与光信息技术教育部重点实验室北京,100044
  2. 北京工商大学物理系北京,100048
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20163703.0321
  CLC： TM914.4
- Received：03 December 2015，
  
  Revised：18 December 2015，
  
  Published：05 March 2016
- 稿件说明：
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李熊, 徐登辉, 赵佳等. 阳极缓冲层修饰对聚合物太阳能电池性能的影响[J]. 发光学报, 2016,37(3): 321-326

LI Xiong, XU Deng-hui, ZHAO Jia etc. Effect of Anode Buffer Layer Modification on The Performance of Polymer Solar cells[J]. Chinese Journal of Luminescence, 2016,37(3): 321-326
李熊, 徐登辉, 赵佳等. 阳极缓冲层修饰对聚合物太阳能电池性能的影响[J]. 发光学报, 2016,37(3): 321-326 DOI： 10.3788/fgxb20163703.0321.

LI Xiong, XU Deng-hui, ZHAO Jia etc. Effect of Anode Buffer Layer Modification on The Performance of Polymer Solar cells[J]. Chinese Journal of Luminescence, 2016,37(3): 321-326 DOI： 10.3788/fgxb20163703.0321.

摘要

为提高聚合物太阳能电池的能量转换效率

将聚乙二醇(PEG)掺入PEDOT:PSS阳极缓冲层

研究了阳极缓冲层修饰对聚合物太阳能电池性能的影响。首先研究了聚乙二醇对PEDOT:PSS薄膜电导率的影响

发现PEG会与PEDOT和PSS相互作用

使得PEDOT链重新排布

有利于电荷载流子的传输

从而显著改善了PEDOT:PSS薄膜的电导率

当PEDOT:PSS中掺入体积分数为2%~4%的PEG时

可得到较大的电导率。然后

以PEG修饰的PEDOT:PSS薄膜作为阳极缓冲层制备了聚合物太阳能电池

研究了PEG的掺入对聚合物太阳能电池性能的影响。实验发现

PEG改善的PEDOT:PSS电导率有利于提高电池的短路电流密度和填充因子

从而改善了器件光伏性能。当PEDOT:PSS中掺入体积分数为2%的PEG时

聚合物太阳能电池的能量转换效率最高

比未掺杂的器件提高了24.4%。

Abstract

In order to improve the performance of polymer solar cells

polyethylene glycol (PEG) was incorporated into PEDOT:PSS layer

and the effect of anode buffer layer modification on the performance of polymer solar cells was studied. First

the effect of PEG on the conductivity of PEDOT:PSS films was studied

and the results show that PEG interacts with PEDOT and PSS

and reorients the PEDOT polymer chains

which improves the conductivity of PEDOT:PSS layer significantly. PEDOT:PSS layer with 2%-4%(volume fraction) PEG has the optimized conductivity. Then the bulk heterojunction polymer solar cells based on PEG modified PEDOT:PSS anode buffer layer were prepared. It is found that PEG improves the short-circuit current density and fill factor obviously. The polymer solar cell with 2% PEG modified PEDOT:PSS layer gives the maximum power conversion efficiency

as compared with the control device without PEG

24.4% efficiency enhancement is achieved.

关键词

Keywords

references

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