ArticleScience advances2024
Scalable bottom-up synthesis of Co-Ni-doped graphene.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Investigation into the Adsorption Mechanism of Three Varieties of Carboxylated Graphene Oxide for Pentahydrate Actinide (An = Pa-Pu) Compounds.ACS omega · 2025Article
- Reverse Spillover Dominating CO Adsorption on Single Cobalt Atoms in Graphene Divacancies.The journal of physical chemistry. C, Nanomaterials and interfaces · 2025Article
- CO Adsorption on a Single-Atom Catalyst Stably Embedded in Graphene.Angewandte Chemie (International ed. in English) · 2025Article
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Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introducing heteroatoms into graphene is a powerful strategy to modulate its catalytic, electronic, and magnetic properties. At variance with the cases of nitrogen (N)- and boron (B)-doped graphene, a scalable method for incorporating transition metal atoms in the carbon (C) mesh is currently lacking, limiting the applicative interest of model system studies. This work presents a during-growth synthesis enabling the incorporation of cobalt (Co) alongside nickel (Ni) atoms in graphene on a Ni(111) substrate. Single atoms are covalently stabilized within graphene double vacancies, with a Co load ranging from 0.07 to 0.22% relative to C atoms, controllable by synthesis parameters. Structural characterization involves variable-temperature scanning tunneling microscopy and ab initio calculations. The Co- and Ni-codoped layer is transferred onto a transmission electron microscopy grid, confirming stability through scanning transmission electron microscopy and electron energy loss spectroscopy. This method holds promise for applications in spintronics, gas sensing, electrochemistry and catalysis, and potential extension to graphene incorporation of similar metals.
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Registered trials
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