A Low Reorganization Energy and Two-dimensional Acceptor with Four End Units for Organic Solar Cells with Low <italic style="font-style: italic">E</italic><sub>loss</sub>

Hongbin Chen; Xiangjian Cao; Xiaoyun Xu; Chenxi Li; Xiangjian Wan; Zhaoyang Yao; Yongsheng Chen

doi:10.1007/s10118-022-2730-4

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A Low Reorganization Energy and Two-dimensional Acceptor with Four End Units for Organic Solar Cells with Low E_loss

RESEARCH ARTICLE | Updated：2022-07-21

- A Low Reorganization Energy and Two-dimensional Acceptor with Four End Units for Organic Solar Cells with Low E_loss
- Chinese Journal of Polymer Science Vol. 40, Issue 8, Pages: 921-927(2022)
- Affiliations：
  
  a.State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, Tianjin 300071, China
  b.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
- Author bio：
  
  yschen99@nankai.edu.cn
- Funds：
- DOI：10.1007/s10118-022-2730-4
  CLC：
- Received：03 February 2022，
  
  Revised：2022-2-28，
  
  Accepted：07 March 2022，
  
  Online First：06 June 2022，
  
  Published：01 August 2022
- Accepted：
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Chen, H.; Cao, X.; Xu, X.; Li, C.; Wan, X.; Yao, Z.; Chen, Y. A low reorganization energy and two-dimensional acceptor with four end units for organic solar cells with low E_loss. Chinese J. Polym. Sci. 2022, 40, 921–927 DOI: 10.1007/s10118-022-2730-4.

Hongbin Chen, Xiangjian Cao, Xiaoyun Xu, et al. A Low Reorganization Energy and Two-dimensional Acceptor with Four End Units for Organic Solar Cells with Low E_loss[J]. Chinese Journal of Polymer Science, 2022, 40(8): 921-927. DOI: 10.1007/s10118-022-2730-4.
Chen, H.; Cao, X.; Xu, X.; Li, C.; Wan, X.; Yao, Z.; Chen, Y. A low reorganization energy and two-dimensional acceptor with four end units for organic solar cells with low E_loss. Chinese J. Polym. Sci. 2022, 40, 921–927 DOI: 10.1007/s10118-022-2730-4. DOI：

Hongbin Chen, Xiangjian Cao, Xiaoyun Xu, et al. A Low Reorganization Energy and Two-dimensional Acceptor with Four End Units for Organic Solar Cells with Low E_loss[J]. Chinese Journal of Polymer Science, 2022, 40(8): 921-927. DOI: 10.1007/s10118-022-2730-4. DOI：

摘要

A novel two-dimensional A-D-A acceptor named as CH8 with four electron-withdrawing end units has an extremely low electron reorganization energy of 98 meV. When blended with PM6

a considerate PCE of 9.37%

along with a high Voc 0.889 V and low Eloss below 0.6 eV is achieved.

Abstract

A novel two-dimensional A-D-A acceptor named as

CH8

with four electron-withdrawing end units has been successfully designed and synthesized. The enlarged conjugation in two directions renders

CH8

exhibit an extremely low electron reorganization energy of 98 meV

which makes

CH8

a potential candidate for outstanding organic semiconductor material. When blended with

PM6

a considerate power conversion efficiency of 9.37% along with a high open-circuit voltage (

) 0.889 V and low energy loss (

loss

) below 0.6 eV is achieved. These results indicate that the two-dimensional A-D-A molecule with four electron-withdrawing end units is an effective molecular design strategy to achieve lower voltage loss and also possible high performance for organic photovoltaics if ideal morphology could be achieved.

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⁰

A Low Reorganization Energy and Two-dimensional Acceptor with Four End Units for Organic Solar Cells with Low Eloss

DOI：10.1007/s10118-022-2730-4

摘要

Abstract

关键词

Keywords

references

A Low Reorganization Energy and Two-dimensional Acceptor with Four End Units for Organic Solar Cells with Low E_loss