不同环境压强下溶剂退火对聚合物太阳能电池性能的影响

郑力华; 张健; 邢聪; 周发; 许文鹏; 李传南

doi:10.3788/fgxb20153604.0443

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不同环境压强下溶剂退火对聚合物太阳能电池性能的影响

器件制备及器件物理 | 更新时间：2020-08-12

- 不同环境压强下溶剂退火对聚合物太阳能电池性能的影响
- Effect of Variation in Environmental Pressure of Solvent Annealing on The Performance of Polymer Solar Cells
- 发光学报 2015年36卷第4期页码：443-448
- 作者机构：
  
  集成光电子学国家重点联合实验室吉林大学电子科学与工程学院,吉林长春,130012
- 作者简介：
- 基金信息：
  
  国家自然科学基金(61177025,61275024)();吉林省科技发展计划(20130102009JC)资助项目()
- DOI：10.3788/fgxb20153604.0443
  中图分类号： TM914.4
- 纸质出版日期：2015-4-3，
  
  收稿日期：2015-1-15，
  
  修回日期：2015-2-11，
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郑力华, 张健, 邢聪等. 不同环境压强下溶剂退火对聚合物太阳能电池性能的影响[J]. 发光学报, 2015,36(4): 443-448

ZHENG Li-hua, ZHANG Jian, XING Cong etc. Effect of Variation in Environmental Pressure of Solvent Annealing on The Performance of Polymer Solar Cells[J]. Chinese Journal of Luminescence, 2015,36(4): 443-448
郑力华, 张健, 邢聪等. 不同环境压强下溶剂退火对聚合物太阳能电池性能的影响[J]. 发光学报, 2015,36(4): 443-448 DOI： 10.3788/fgxb20153604.0443.

ZHENG Li-hua, ZHANG Jian, XING Cong etc. Effect of Variation in Environmental Pressure of Solvent Annealing on The Performance of Polymer Solar Cells[J]. Chinese Journal of Luminescence, 2015,36(4): 443-448 DOI： 10.3788/fgxb20153604.0443.

摘要

通过改变溶剂退火时的环境压强控制溶剂的蒸发速率

在不同压强下进行加压溶剂退火制备了基于聚-3己基噻吩:富勒烯衍生物(P3HT:PCBM)的体异质结聚合物太阳能电池。X射线衍射(XRD)、紫外-可见吸收光谱(UV-Vis)以及原子力显微镜(AFM)的测试结果表明

增大溶剂退火的环境气压改善了薄膜的结晶度

增强了有源层的光吸收

提高了P3HT和PCBM的相分离程度

更有利于激子的解离和载流子传输。与在常压下溶剂退火相比

在2.0 MPa压强下对有源层进行溶剂退火的器件的光电转换效率提高了29%

达到了3.69%。

Abstract

Polymer solar cells based on blends of poly(3-hexylthiophene) (P3HT) and [6

6]-phenyl-C

-butyric acid methyl ester (PCBM) were fabricated by solvent annealing under different environmental pressures. The performance of the solar cells were tested by X-ray diffraction (XRD)

atomic force microscopy (AFM) images and absorption spectra. By increasing the environmental pressure of solvent annealing

the optical absorption of the active layer was enhanced

the crystallinity of the active layer and the phase segregation of P3HT and PCBM were improved

which facilitated photogenerated exciton dissociation and charge-carrier transport. The power conversion efficiency of the polymer solar cell fabricated by solvent annealing under 2.0 MPa is 3.69%

which is 29% higher than that of the one fabricated under atmosphere pressure.

关键词

聚合物太阳能电池环境压强加压溶剂退火

Keywords

polymer solar cellsenvironmental pressuresolvent annealing under high pressure

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