Volume 135, Issue 2 e202213478
Forschungsartikel

A Multifunctional Polymer as an Interfacial Layer for Efficient and Stable Perovskite Solar Cells

Bingqian Zhang

Bingqian Zhang

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042 P. R. China

Shandong Energy Institute, Qingdao, 266101 P. R. China

Contribution: Conceptualization (equal), Data curation (lead), Formal analysis (lead), ​Investigation (lead), Methodology (lead), Project administration (equal), Validation (lead), Visualization (equal), Writing - original draft (lead), Writing - review & editing (equal)

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Chen Chen

Chen Chen

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: Data curation (supporting), Formal analysis (supporting), ​Investigation (supporting), Methodology (supporting), Visualization (supporting)

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Xianzhao Wang

Xianzhao Wang

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: Data curation (supporting), Formal analysis (supporting), ​Investigation (supporting), Resources (equal), Validation (supporting)

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Xiaofan Du

Xiaofan Du

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: Methodology (supporting), Software (lead)

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Dachang Liu

Dachang Liu

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: Formal analysis (supporting), Methodology (supporting), Resources (supporting), Validation (supporting), Visualization (supporting), Writing - review & editing (supporting)

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Xiuhong Sun

Xiuhong Sun

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: Formal analysis (supporting), ​Investigation (supporting), Validation (supporting), Writing - review & editing (supporting)

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Zhipeng Li

Zhipeng Li

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: Methodology (supporting), Validation (supporting), Visualization (supporting)

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Lianzheng Hao

Lianzheng Hao

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: ​Investigation (supporting), Methodology (supporting), Validation (supporting)

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Caiyun Gao

Caiyun Gao

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: Formal analysis (supporting), Resources (supporting), Validation (supporting)

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Yimeng Li

Yimeng Li

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: ​Investigation (supporting), Validation (supporting)

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Zhipeng Shao

Zhipeng Shao

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Contribution: ​Investigation (supporting), Methodology (supporting)

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Xiao Wang

Corresponding Author

Xiao Wang

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Shandong Energy Institute, Qingdao, 266101 P. R. China

Contribution: Conceptualization (equal), Formal analysis (supporting), Funding acquisition (equal), ​Investigation (supporting), Methodology (supporting), Project administration (equal), Supervision (equal), Validation (equal), Visualization (equal), Writing - review & editing (equal)

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Prof. Guanglei Cui

Prof. Guanglei Cui

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Shandong Energy Institute, Qingdao, 266101 P. R. China

Contribution: Methodology (supporting), Supervision (supporting)

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Prof. Shuping Pang

Corresponding Author

Prof. Shuping Pang

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 P. R. China

Shandong Energy Institute, Qingdao, 266101 P. R. China

Contribution: Conceptualization (equal), Data curation (supporting), Formal analysis (supporting), Funding acquisition (equal), ​Investigation (supporting), Methodology (supporting), Project administration (equal), Supervision (equal), Validation (equal), Visualization (equal), Writing - review & editing (equal)

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First published: 13 November 2022
Citations: 5

Abstract

Metal-cation defects and halogen-anion defects in perovskite films are critical to the efficiency and stability of perovskite solar cells (PSCs). In this work, a random polymer, poly(methyl methacrylate-co-acrylamide) (PMMA-AM), was synthesized to serve as an interfacial passivation layer for synergistically passivating the under-coordinated Pb2+ and anchor the I- of the [PbI6]4− octahedron. Additionally, the interfacial PMMA-AM passivation layer cannot be destroyed during the hole transport layer deposition because of its low solubility in chlorobenzene. This passivation leads to an enhancement in the open-circuit voltage from 1.12 to 1.22 V and improved stability in solar cell devices, with the device maintaining 95 % of the initial power conversion efficiency (PCE) over 1000 h of maximum power point tracking. Additionally, a large-area solar cell module was fabricated using this approach, achieving a PCE of 20.64 %.

Conflict of interest

The authors declare no conflict of interest.

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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