100 cm<sup>2</sup> Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination

Yong Cui; Hui-Feng Yao; Ye Xu; Peng-Qing Bi; Jian-Qi Zhang; Tao Zhang; Ling Hong; Zhi-Hao Chen; Zhi-Xiang Wei; Xiao-Tao Hao; Jian-Hui Hou

doi:10.1007/s10118-022-2761-x

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100 cm² Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination

RESEARCH ARTICLE | Updated：2022-07-21

- 100 cm² Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination
- 100 cm² Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination
- Chinese Journal of Polymer Science 2022年40卷第8期页码：979-988
- Affiliations：
  
  a.Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
  b.University of Chinese Academy of Sciences, Beijing 100049, China
  c.CAS key laboratory of nanosystem and hierarchical fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
  d.School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
- Author bio：
  
  yaohf@iccas.ac.cn (H.F.Y.)
  hjhzlz@iccas.ac.cn (J.H.H.)
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (Nos. 52003275, 22075301, 22122905 and 52120105005). J. H. Hou was supported by the Key Research Program of the Chinese Academy of Sciences (No. XDPB13) and the Bureau of International Cooperation Chinese Academy of Sciences (No. 121111KYSB20200043).
- DOI：10.1007/s10118-022-2761-x
  中图分类号：
- 收稿：2022-03-28，
  
  修回：2022-4-10，
  
  录用：2022-4-15，
  
  网络首发：2022-06-22，
  
  纸质出版：2022-08-01
- Accepted：
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Cui, Y.; Yao, H. F.; Xu, Y.; Bi, P. Q.; Zhang, J. Q.; Zhang, T.; Hong, L.; Chen, Z. H.; Wei, Z. X.; Hao, X. T.; Hou, J. H. 100 cm² organic photovoltaic cells with 23% efficiency under indoor illumination. Chinese J. Polym. Sci. 2022, 40, 979–988 DOI: 10.1007/s10118-022-2761-x.

Yong Cui, Hui-Feng Yao, Ye Xu, et al. 100 cm² Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination[J]. Chinese Journal of Polymer Science, 2022, 40(8): 979-988. DOI: 10.1007/s10118-022-2761-x.
Cui, Y.; Yao, H. F.; Xu, Y.; Bi, P. Q.; Zhang, J. Q.; Zhang, T.; Hong, L.; Chen, Z. H.; Wei, Z. X.; Hao, X. T.; Hou, J. H. 100 cm² organic photovoltaic cells with 23% efficiency under indoor illumination. Chinese J. Polym. Sci. 2022, 40, 979–988 DOI: 10.1007/s10118-022-2761-x. DOI：

Yong Cui, Hui-Feng Yao, Ye Xu, et al. 100 cm² Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination[J]. Chinese Journal of Polymer Science, 2022, 40(8): 979-988. DOI: 10.1007/s10118-022-2761-x. DOI：

摘要

We designed and synthesized a new acceptor called DTz-R1 via suppressing the energetic disorder. The 100 cm

organic photovoltaic cell gives an impressive efficiency of 23.0% under indoor light illumination. Our results demonstrate that modulation of the energetic disorder can be a feasible molecular design strategy.

Abstract

The application of organic photovoltaic (OPV) cells to drive off-grid microelectronic devices under indoor light has attracted broad attention. As organic semiconductors intrinsically have less ordered intermolecular packing than inorganic materials

the relatively larger energetic disorder is one of the main results that limit the photovoltaic efficiency of the OPV cells at low carrier density. Here

we optimize the alkyl chains of non-fullerene acceptors to get suppressed energetic disorder. We find the optimal acceptor DTz-R1 with the shortest alkyl chain has the strongest crystalline property and lowest energetic disorder. As a result

over 26% efficiency is recorded for the 1 cm

OPV cells under a light-emitting diode illumination of 500 lux. We also fabricate a 100 cm

cell device and get a PCE of 23.0%

which is an outstanding value for large-area OPV cells. These results suggest that modulation of the energetic disorder is of great importance for further improving the efficiency of OPV cells

especially for indoor applications.

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references

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100 cm2 Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination

100 cm2 Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination

DOI：10.1007/s10118-022-2761-x

摘要

Abstract

关键词

Keywords

references

100 cm² Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination

100 cm² Organic Photovoltaic Cells with 23% Efficiency under Indoor Illumination