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Cited by 432

The DOI matches its Crossref record; 64 of the 64 references it cites were found in a registry or an index.

Mechanistic insight into the active centers of single/dual-atom Ni/Fe-based oxygen electrocatalysts

Open access
Wan, Wenchao, Zhao, Yonggui, Wei, Shiqian, Triana, Carlos A., Li, Jingguo, Arcifa, Andrea, Allen, Christopher S., Cao, Rui, Patzke, Greta R.·2021·Nature Communications

Abstract

Single-atom catalysts with maximum metal utilization efficiency show great potential for sustainable catalytic applications and fundamental mechanistic studies. We here provide a convenient molecular tailoring strategy based on graphitic carbon nitride as support for the rational design of single-site and dual-site single-atom catalysts. Catalysts with single Fe sites exhibit impressive oxygen reduction reaction activity with a half-wave potential of 0.89 V vs. RHE. We find that the single Ni sites are favorable to promote the key structural reconstruction into bridging Ni-O-Fe bonds in dual-site NiFe SAC. Meanwhile, the newly formed Ni-O-Fe bonds create spin channels for electron transfer, resulting in a significant improvement of the oxygen evolution reaction activity with an overpotential of 270 mV at 10 mA cm−2. We further reveal that the water oxidation reaction follows a dual-site pathway through the deprotonation of *OH at both Ni and Fe sites, leading to the formation of bridging O 2 atop the Ni-O-Fe sites.

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Metadata

Authors
Wan, W., Zhao, Y., Wei, S., Triana, C. A., Li, J., Arcifa, A., Allen, C. S., Cao, R., & Patzke, G. R.
Venue
Nature Communications
Published
2021-09-22
Volume
12
Issue
1
Pages
5589-5589
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3200870191
Cited by
432
References
64
FWCI
11.94
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Mechanistic insight into the active centers of single/dual-atom Ni/Fe-based oxygen electrocatalysts. https://app.cochat.ai/papers/10.1038/s41467-021-25811-0
The paper
Wan, W., Zhao, Y., Wei, S., Triana, C. A., Li, J., Arcifa, A., Allen, C. S., Cao, R., & Patzke, G. R. (2021). Mechanistic insight into the active centers of single/dual-atom Ni/Fe-based oxygen electrocatalysts. Nature Communications. https://doi.org/10.1038/s41467-021-25811-0

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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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