Improved Performance of Polymer Solar Cells by Microwave Annealing

DU Hai-liang; DENG Zhen-bo; ZHANG Guo-liang

doi:10.3788/fgxb20123301.0051

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Improved Performance of Polymer Solar Cells by Microwave Annealing

paper | 更新时间：2020-08-12

- Improved Performance of Polymer Solar Cells by Microwave Annealing
- Chinese Journal of Luminescence Vol. 33, Issue 1, Pages: 51-54(2012)
- 作者机构：
  
  北京交通大学发光与光信息技术教育部重点实验室北京,100044
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123301.0051
  CLC： TM914.4
- Received：13 October 2011，
  
  Revised：10 November 2011，
  
  Published Online：10 January 2012，
  
  Published：10 January 2012
- 稿件说明：
移动端阅览
杜海亮, 邓振波, 张国良. 微波退火对聚合物太阳能电池性能的提高[J]. 发光学报, 2012,33(1): 51-54

DU Hai-liang, DENG Zhen-bo, ZHANG Guo-liang. Improved Performance of Polymer Solar Cells by Microwave Annealing[J]. 发光学报, 2012,33(1): 51-54
杜海亮, 邓振波, 张国良. 微波退火对聚合物太阳能电池性能的提高[J]. 发光学报, 2012,33(1): 51-54 DOI： 10.3788/fgxb20123301.0051.

DU Hai-liang, DENG Zhen-bo, ZHANG Guo-liang. Improved Performance of Polymer Solar Cells by Microwave Annealing[J]. 发光学报, 2012,33(1): 51-54 DOI： 10.3788/fgxb20123301.0051.

摘要

利用微波对基于poly(3-hexylthiophene) (P3HT)和 -phenyl-C61-buytyric acid methyl ester (PCBM) 的体异质结太阳能电池进行退火处理

提高了器件的效率。使用的微波频率为2.45 GHz

当处理时间为10 min时

获得的短路电流为9.13 mA/cm

开路电压为0.63 V

能量转化效率为3.21%

其性能参数完全可以与普通真空干燥箱退火相比拟。研究了微波对活性层的作用

从微波退火处理后的UV-Vis吸收谱和SEM图发现

微波退火主要改善了活性层的粗糙度

提高了相分离程度

有利于激子在界面处的解离和载流子的传输。

Abstract

Microwave was applied to improve the efficiency of polymer solar cell based on poly(3-hexylthiophene) (P3HT) and [6

6]-phenyl-C61-buytyric acid methyl ester (PCBM) bulk-heterojunction solar cells. With microwave radiation (2.45 GHz) for 10 min

short circuit current of 9.13 mA/cm

open circuit voltage of 0.63 V

and energy conversion efficiency of 3.21% were obtained

similar or surpass to those of devices annealed with a hot plate for 20 min at 150 ℃. We examined the effect of microwave on the active layer. From the Uv-Vis absorption spectrum and the SEM image after microwave

we found that more rough morphology and larger phase separation occurred

which benefit for dissociation of exciton and transportation of carrier.

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references

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