Optimization of Ethylene Glycol Doped PEDOT:PSS Transparent Electrodes for Flexible Organic Solar Cells by Drop-coating Method

Hui-Qin Cui; Rui-Xiang Peng; Wei Song; Jian-Feng Zhang; Jia-Ming Huang; Li-Qiang Zhu; Zi-Yi Ge

doi:10.1007/s10118-019-2257-5

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Optimization of Ethylene Glycol Doped PEDOT:PSS Transparent Electrodes for Flexible Organic Solar Cells by Drop-coating Method

ARTICLE | Updated：2021-02-18

- Optimization of Ethylene Glycol Doped PEDOT:PSS Transparent Electrodes for Flexible Organic Solar Cells by Drop-coating Method
- Chinese Journal of Polymer Science Vol. 37, Issue 8, Pages: 760-766(2019)
- Affiliations：
  
  a.Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
  b.Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  c.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  pengrx@nimte.ac.cn (R.X.P.)
  zjf@nbu.edu.cn (J.F.Z.)
  geziyi@nimte.ac.cn (Z.Y.G.)
- Funds：
- DOI：10.1007/s10118-019-2257-5
  CLC：
- Received：13 February 2019，
  
  Revised：2019-1-1，
  
  Accepted：19 March 2019，
  
  Online First：25 April 2019，
  
  Published：2019-08
- Accepted：
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Citation: Cui, H. Q.; Peng, R. X.; Song, W.; Zhang, J. F.; Huang, J. M.; Zhu, L. Q.; Ge, Z. Y. Optimization of ethylene glycol doped PEDOT:PSS transparent electrodes for flexible organic solar cells by drop-coating method. Chinese J. Polym. Sci. 2019, 37, 760–766

Hui-Qin Cui, Rui-Xiang Peng, Wei Song, et al. Optimization of Ethylene Glycol Doped PEDOT:PSS Transparent Electrodes for Flexible Organic Solar Cells by Drop-coating Method[J]. Chinese Journal of Polymer Science, 2019, 37(8): 760-766.
Citation: Cui, H. Q.; Peng, R. X.; Song, W.; Zhang, J. F.; Huang, J. M.; Zhu, L. Q.; Ge, Z. Y. Optimization of ethylene glycol doped PEDOT:PSS transparent electrodes for flexible organic solar cells by drop-coating method. Chinese J. Polym. Sci. 2019, 37, 760–766 DOI： 10.1007/s10118-019-2257-5.

Hui-Qin Cui, Rui-Xiang Peng, Wei Song, et al. Optimization of Ethylene Glycol Doped PEDOT:PSS Transparent Electrodes for Flexible Organic Solar Cells by Drop-coating Method[J]. Chinese Journal of Polymer Science, 2019, 37(8): 760-766. DOI： 10.1007/s10118-019-2257-5.

摘要

Abstract

Fabrication of flexible transparent electrodes (FTEs) is one of the core technologies in the field of flexible electronics. Among multiple choices of FTEs

poly(3

4-ethylenedioxythiophene):poly(styrene-sulfonic acid) (PEDOT:PSS) has shown its promising application in roll-to-roll manufacturing. A simple yet effective method for substantially boosting the conductivity of these conducting polymer films without causing large-domain aggregations is by adding ethylene glycol (EG) as dopant. Herein

we investigated in detail the effects of the secondary solvent of ethylene glycol (EG) on the optical and electrical characteristics of PEDOT:PSS films. The modified PEDOT:PSS FTEs were deposited using drop-coating techniques as it had greater compatibility for large-area samples than the conventional spin-coating method did. The 6% EG-doped PEDOT:PSS FTE

via

drop-coating method achieved a high figure of merit (FoM) value of 47.24 and the devices fabricated using the optimal PEDOT:PSS FTE yielded a high power conversion efficiency (PCE) of 8.89%

mostly attributed to the modified PEDOT:PSS films that had excellent optical and electrical characteristics with low surface roughness. These results suggested that EG-doping could effectively boost the conductivity of PEDOT:PSS films and that the modified PEDOT:PSS FTE is suitable for roll-to-roll manufacturing in the future.

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references

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