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Nano Research 2023, 16(12): 13008-13013 https://doi.org/10.1007/s12274-023-5861-1
Research Article | Issue | Published: 01 July 2023

Slot-die coated large-area flexible all-polymer solar cells by non-halogenated solvent

Show Author's Information Yi-Fan Shen1,2,3,  Jianqi Zhang1( ),  Chenyang Tian1,2,  Dingding Qiu1,2,3,  Zhixiang Wei1,2( )
CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
University of Chinese Academy of Sciences, Beijing 100049, China
Sino-Danish Center for Education and Research, Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100049, China
Keywords:
morphology control, organic solar cells, slot-die coating, non-halogenated solvent, flexible large-area devices
Topics:
Polymer solar cells
Cite this article:
Shen Y-F, Zhang J, Tian C, et al. Slot-die coated large-area flexible all-polymer solar cells by non-halogenated solvent. Nano Research, 2023, 16(12): 13008-13013. https://doi.org/10.1007/s12274-023-5861-1
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Abstract Full text Electronic supplementary material About this article

The slot-die coating is recognized as the most compatible method for the roll-to-roll (R2R) processing of large-area flexible organic solar cells (OSCs). However, the photovoltaic performance of the large-area flexible all-polymer solar cells was significantly lagging behind that of polymer donors with small molecule non-fullerene acceptors devices. In this work, the 1 cm2 flexible device of an all-polymer system, PTQ10:PYF-T-o, fabricated by slot-die coating, achieves an excellent efficiency of 11.24% via controlling the coating temperatures. It is found that, compared with the donor, the crystallinity of PYF-T-o plays a crucial role in device performance. The all-polymer flexible devices show superior mechanical bending stability, maintaining an efficiency of over 95% of the initial value during a 1000-cycle bending test.


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Electronic supplementary material
About this article

Slot-die coated large-area flexible all-polymer solar cells by non-halogenated solvent

Show Author's information Yi-Fan Shen1,2,3, Jianqi Zhang1( ), Chenyang Tian1,2, Dingding Qiu1,2,3, Zhixiang Wei1,2( )
CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
University of Chinese Academy of Sciences, Beijing 100049, China
Sino-Danish Center for Education and Research, Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

The slot-die coating is recognized as the most compatible method for the roll-to-roll (R2R) processing of large-area flexible organic solar cells (OSCs). However, the photovoltaic performance of the large-area flexible all-polymer solar cells was significantly lagging behind that of polymer donors with small molecule non-fullerene acceptors devices. In this work, the 1 cm2 flexible device of an all-polymer system, PTQ10:PYF-T-o, fabricated by slot-die coating, achieves an excellent efficiency of 11.24% via controlling the coating temperatures. It is found that, compared with the donor, the crystallinity of PYF-T-o plays a crucial role in device performance. The all-polymer flexible devices show superior mechanical bending stability, maintaining an efficiency of over 95% of the initial value during a 1000-cycle bending test.

Keywords: morphology control, organic solar cells, slot-die coating, non-halogenated solvent, flexible large-area devices

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Publication history
Copyright
Acknowledgements

Publication history

Received: 29 April 2023
Revised: 16 May 2023
Accepted: 19 May 2023
Published: 01 July 2023
Issue date: December 2023

Copyright

© Tsinghua University Press 2023

Acknowledgements

Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (NSFC) (Nos. 52073068, 22135001, and 21721002) and the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB36000000).

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