Volume 42, Issue 4 pp. 377-383
Concise Report

Manipulating Nanowires in Interconnecting Layer for Efficient Tandem Organic Photovoltaics

Yanjie Tang

Yanjie Tang

School of Chemistry and Biology Engineering, University of Science and Technology Beijing (USTB), Beijing, 100083 China

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190 China

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Jiaming Fu

Jiaming Fu

China Railway Resources Group Survey and Design Co. Ltd., Langfang, Hebei, 065000 China

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Hao Li

Hao Li

School of Chemistry and Biology Engineering, University of Science and Technology Beijing (USTB), Beijing, 100083 China

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190 China

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Du Hyeon Ryu

Du Hyeon Ryu

Energy Materials Research Center, Korea Research Institute of Chemical Technology (KRICT), Advanced Materials & Chemical Engineering, University of Science & Technology (UST), Korea

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Won Suk Shin

Won Suk Shin

Energy Materials Research Center, Korea Research Institute of Chemical Technology (KRICT), Advanced Materials & Chemical Engineering, University of Science & Technology (UST), Korea

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Jianqi Zhang

Jianqi Zhang

The National Center for Nanoscience and Technology (NCNST), Beijing, 100190 China

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Yi Yang

Yi Yang

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190 China

University of Chinese Academy of Sciences Beijing (UCAS), Beijing, 100049 China

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Yiming Yang

Yiming Yang

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190 China

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Deyuan Li

Deyuan Li

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190 China

University of Chinese Academy of Sciences Beijing (UCAS), Beijing, 100049 China

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Zhong Zheng

Corresponding Author

Zhong Zheng

School of Chemistry and Biology Engineering, University of Science and Technology Beijing (USTB), Beijing, 100083 China

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190 China

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Shaoqing Zhang

Shaoqing Zhang

School of Chemistry and Biology Engineering, University of Science and Technology Beijing (USTB), Beijing, 100083 China

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190 China

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Jianhui Hou

Corresponding Author

Jianhui Hou

School of Chemistry and Biology Engineering, University of Science and Technology Beijing (USTB), Beijing, 100083 China

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190 China

University of Chinese Academy of Sciences Beijing (UCAS), Beijing, 100049 China

E-mail: [email protected]; [email protected]Search for more papers by this author
First published: 10 October 2023

Dedicated to the Special Issue of Organic Photovoltaic.

Comprehensive Summary

Owing to the function of manipulating light absorption distribution, tandem organic solar cells containing multiple sub-cells exhibit high power conversion efficiencies. However, there is a substantial challenge in precisely controlling the inter-subcells carrier migration which determines the balance of charge transport across the entire device. The conductivity of “nanowires”-like conducting channel in interconnecting layer between sub-cells should be improved which calls for fine engineering on the morphology of polyelectrolyte in interconnecting layer. Here, we develop a simple method to effectively manipulating the domains of conductive components in commercially available polyelectrolyte PEDOT:PSS. The use of poor solvent could effectively modify the configuration of polystyrene sulfonic acid and thus the space for conductive components. Based on our strategy, the insulated shells wrapping conductive domains are thinned and the efficiencies of tandem organic solar cells are improved. We believe our method might provide guidance for the manufacture of tandem organic solar cells.image

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