Volume 136, Issue 19 e202319027
Forschungsartikel

The Transfer Dehydrogenation Method Enables a Family of High Crystalline Benzimidazole-linked Cu (II)-phthalocyanine-based Covalent Organic Frameworks Films

Qingsong Zhang

Qingsong Zhang

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contributed equally to this manuscript.

Contribution: Data curation (lead), Formal analysis (lead), Writing - original draft (lead)

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Zhiheng Zhu

Zhiheng Zhu

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contributed equally to this manuscript.

Contribution: Data curation (equal), Formal analysis (equal), Writing - original draft (equal)

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Liping Liu

Liping Liu

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

Department of Chemistry, Tsinghua University, Beijing, Beijing, 100084 P. R. China

Contributed equally to this manuscript.

Contribution: Data curation (equal), Formal analysis (equal), Writing - original draft (equal)

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Haojie Huang

Haojie Huang

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contribution: Data curation (supporting), Writing - original draft (supporting)

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Xianjie Chen

Xianjie Chen

State Key Laboratory of Environment-friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010 P. R. China

Contribution: Data curation (supporting), Writing - original draft (supporting)

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Yangshuang Bian

Yangshuang Bian

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contribution: Data curation (supporting), Writing - original draft (supporting)

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Mingchao Shao

Mingchao Shao

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contribution: Data curation (supporting), Writing - original draft (supporting)

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Xiaofang Wei

Xiaofang Wei

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contribution: Data curation (supporting), Writing - original draft (supporting)

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Chengyu Wang

Chengyu Wang

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contribution: Data curation (supporting), Writing - original draft (supporting)

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Dong Wang

Dong Wang

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contribution: Data curation (supporting), Writing - original draft (supporting)

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Jichen Dong

Jichen Dong

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contribution: Data curation (supporting), Writing - original draft (supporting)

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Yunlong Guo

Corresponding Author

Yunlong Guo

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

Contribution: Conceptualization (equal), Writing - review & editing (equal)

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Yongfa Zhu

Corresponding Author

Yongfa Zhu

Department of Chemistry, Tsinghua University, Beijing, Beijing, 100084 P. R. China

Contribution: Conceptualization (equal), Writing - review & editing (equal)

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Yunqi Liu

Corresponding Author

Yunqi Liu

Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 P. R. China

University of Chinese Academy of Sciences, Beijing, 100049 P. R. China

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First published: 15 March 2024
Citations: 1

Abstract

Heterocycle-linked phthalocyanine-based COFs with close-packed π–π conjugated structures are a kind of material with intrinsic electrical conductivity, and they are considered to be candidates for photoelectrical devices. Previous studies have revealed their applications for energy storage, gas sensors, and field-effect transistors. However, their potential application in photodetector is still not fully studied. The main difficulty is preparing high-quality films. In our study, we found that our newly designed benzimidazole-linked Cu (II)-phthalocyanine-based COFs (BICuPc-COFs) film can hardly formed with a regular aerobic oxidation method. Therefore, we developed a transfer dehydrogenation method with N-benzylideneaniline (BA) as a mild reagent. With this in hand, we successfully prepared a family of high crystalline BICuPc-COFs powders and films. Furthermore, both of these new BICuPc-COFs films showed high electrical conductivity (0.022–0.218 S/m), higher than most of the reported COFs materials. Due to the broad absorption and high conductivity of BICuPc-COFs, synaptic devices with small source-drain voltage (VDS=1 V) were fabricated with response light from visible to near-infrared. Based on these findings, we expect this study will provide a new perspective for the application of conducting heterocycle-linked COFs in synaptic devices.

Conflict of interests

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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