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Cited by 490

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A Graphene‐Supported Single‐Atom FeN5 Catalytic Site for Efficient Electrochemical CO2 Reduction

Zhang, Huinian, Li, Jing, Xi, Shibo, Du, Yonghua, Hai, Xiao, Wang, Junying, Xu, Haomin, Wu, Gang, Zhang, Jia, Lu, Jiong, Wang, Junzhong·2019·Angewandte Chemie International Edition

Abstract

Electrochemical conversion of CO 2 into valued products is one of the most important issues but remains a great challenge in chemistry. Herein, we report a novel synthetic approach involving prolonged thermal pyrolysis of hemin and melamine molecules on graphene for the fabrication of a robust and efficient single‐iron‐atom electrocatalyst for electrochemical CO 2 reduction. The single‐atom catalyst exhibits high Faradaic efficiency (ca. 97.0 %) for CO production at a low overpotential of 0.35 V, outperforming all Fe‐N‐C‐based catalysts. The remarkable performance for CO 2‐to‐CO conversion can be attributed to the presence of highly efficient singly dispersed FeN 5 active sites supported on N‐doped graphene with an additional axial ligand coordinated to FeN 4. DFT calculations revealed that the axial pyrrolic nitrogen ligand of the FeN 5 site further depletes the electron density of Fe 3d orbitals and thus reduces the Fe–CO π back‐donation, thus enabling the rapid desorption of CO and high selectivity for CO production.

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Metadata

Authors
Zhang, H., Li, J., Xi, S., Du, Y., Hai, X., Wang, J., Xu, H., Wu, G., Zhang, J., Lu, J., & Wang, J.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2019-09-09
Volume
58
Issue
42
Pages
14871-14876
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2964478950
Cited by
490
References
7
FWCI
14.58
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Graphene‐Supported Single‐Atom FeN5 Catalytic Site for Efficient Electrochemical CO2 Reduction. https://app.cochat.ai/papers/10.1002/anie.201906079
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Zhang, H., Li, J., Xi, S., Du, Y., Hai, X., Wang, J., Xu, H., Wu, G., Zhang, J., Lu, J., & Wang, J. (2019). A Graphene‐Supported Single‐Atom FeN5 Catalytic Site for Efficient Electrochemical CO2 Reduction. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201906079

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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