ArticleAngewandte Chemie (International ed. in English)2025
Carbon-Supported Single Fe/Co/Ni Atom Catalysts for Water Oxidation: Unveiling the Dynamic Active Sites.
Article in Angewandte Chemie (International ed. in English), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Self-reconstruction of single copper atoms drives precise hydroxyl radicals generation for efficient water disinfection.Nature communications · 2026Article
- Local Coordination Motif Compatibility Induces the Formation of Shortened Fe3+-O-Ni3+δ Moieties as Active Sites for Highly Efficient Oxygen Evolution Reaction.Journal of the American Chemical Society · 2026Article
- Metal-organic framework-confined CoNature communications · 2026Article
- Modulation of the Spin State of Atomic Fe-NNano-micro letters · 2026Article
- Acquiring Focus on Paramagnetic Single-Atom Sites with Fast Magic-Angle Spinning NMR.Journal of the American Chemical Society · 2026Article
- Reversibly Redox-Active Iron Oxide Structures in FeNC Catalysts Identified by Microscopy and Spectroelectrochemical EPR and Mössbauer Methods.Journal of the American Chemical Society · 2026Article
- Dynamics and Control of Dual Active Sites in Co-Substituted Ni Coordination Polymers for Enhanced Oxygen Evolution Catalysis.Journal of the American Chemical Society · 2026Article
- Advancements in Single-Atom Catalysts: Synthesis, Characterization, and Applications in Sensing Technologies.Small science · 2025Review
- Unveiling Atomic-Level Synergy of PtJACS Au · 2025Article
- Carbon-Supported Single Fe/Co/Ni Atom Catalysts for Water Oxidation: Unveiling the Dynamic Active Sites.Angewandte Chemie (International ed. in English) · 2025Article
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Authors and funding
10 authors.
Funding
Abstract
Extensive research has been conducted on carbon-supported single-atom catalysts (SACs) for electrochemical applications, owing to their outstanding conductivity and high metal atom utilization. The atomic dispersion of active sites provides an ideal platform to investigate the structure-performance correlations. Despite this, the development of straightforward and scalable synthesis methods, along with the tracking of the dynamic active sites under catalytic conditions, remains a significant challenge. Herein, we introduce a biomass-inspired coordination confinement strategy to construct a series of carbon-supported SACs, incorporating various metal elements, such as Fe, Co, and Ni. We have systematically characterized their electronic and geometric structure using various spectroscopic and microscopic techniques. Through in situ X-ray absorption spectroscopy (XAS), atomic scanning transmission electron microscopy (STEM), and electron paramagnetic resonance (EPR) analyses, it is demonstrated that the single atoms undergo structural rearrangement to form amorphous (oxy)hydroxide clusters during oxygen evolution reaction (OER), where the newly formed oxygen-bridged dual metal M─O─M or M─O─M' (M/M' = Fe, Co, Ni) moieties within these clusters play key role in the OER performance. This work provides essential insights into tracking the actual active sites of SACs during electrochemical OER.
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