Side-chains Engineering of Conjugated Polymers toward Additive-free Non-fullerene Organic Solar Cells

Feng Liu; Dan Wang; Jun-Yu Li; Cheng-Yi Xiao; Yong-Gang Wu; Wei-Wei Li; Guang-Sheng Fu

doi:10.1007/s10118-020-2490-y

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Side-chains Engineering of Conjugated Polymers toward Additive-free Non-fullerene Organic Solar Cells

ARTICLE | Updated：2020-09-29

- Side-chains Engineering of Conjugated Polymers toward Additive-free Non-fullerene Organic Solar Cells
- Side-chains Engineering of Conjugated Polymers toward Additive-free Non-fullerene Organic Solar Cells
- Chinese Journal of Polymer Science 2021年39卷第1期页码：43-50
- Affiliations：
  
  a.College of Physics Science & Technology, Hebei University, Baoding 071002, China
  b.Beijing Advanced Innovation Center for Soft Matter Science and Engineering & State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Author bio：
  
  liweiwei@iccas.ac.cn (W.W.L.)
  fugs@hbu.edu.cn (G.S.F.)
- Funds：
  
  This work was financially supported by the Ministry of Science and Technology (Nos. 2018YFA0208504 and 2017YFA0204702) and the National Natural Science Foundation of China (Nos. 51773207, 21574138, and 21905018) of China. This work was further supported by Fundamental Research Funds for the Central Universities (No. XK1802-2) and Jiangxi Provincial Department of Science and Technology (No. 20192ACB20009). Feng Liu is a postdoctoral researcher at Hebei University and thanks for the supporting by Postdoctoral Mobile Station of Hebei University.
- DOI：10.1007/s10118-020-2490-y
  中图分类号：
- 收稿：2020-07-12，
  
  修回：2019-1-1，
  
  录用：2020-7-31，
  
  网络首发：2020-09-29，
  
  纸质出版：2021-01-01
- Accepted：
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Liu, F.; Wang, D.; Li, J. Y.; Xiao, C. Y.; Wu, Y. G.; Li, W. W.; Fu, G. S. Side-chains engineering of conjugated polymers toward additive-free non-fullerene organic solar cells. Chinese J. Polym. Sci. 2021, 39, 43–50

Feng Liu, Dan Wang, Jun-Yu Li, et al. Side-chains Engineering of Conjugated Polymers toward Additive-free Non-fullerene Organic Solar Cells[J]. Chinese Journal of Polymer Science, 2021, 39(1): 43-50.
Liu, F.; Wang, D.; Li, J. Y.; Xiao, C. Y.; Wu, Y. G.; Li, W. W.; Fu, G. S. Side-chains engineering of conjugated polymers toward additive-free non-fullerene organic solar cells. Chinese J. Polym. Sci. 2021, 39, 43–50 DOI： 10.1007/s10118-020-2490-y.

Feng Liu, Dan Wang, Jun-Yu Li, et al. Side-chains Engineering of Conjugated Polymers toward Additive-free Non-fullerene Organic Solar Cells[J]. Chinese Journal of Polymer Science, 2021, 39(1): 43-50. DOI： 10.1007/s10118-020-2490-y.

摘要

Abstract

Side-chain engineering plays a significant role in the design of conjugated materials. In this work

a series of conjugated polymers PBDB-T-R with functionalized groups at the end of side units were developed as electron donor for organic solar cells (OSCs). The donor polymers PBDB-T-I and PBDB-T-OAc with iodine and acetate end groups exhibited similar absorption and energy levels

but showed much improved PCEs in OSCs compared to the polymer PBDB-T-H without substitutions at the end groups. Additionally

we found that PBDB-T-I and PBDB-T-OAc based cells exhibited optimized performance when using chloroform as solution-processed solvent without any additives. These results indicate that these conjugated polymers can act as self-additive to fabricate photoactive layers

via

solution process in OSCs.

关键词

Keywords

references

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