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Anion controlled selectivity in oxygen reduction catalysed by a dinuclear cobalt N,O-Schiff base complex †

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Anion controlled selectivity in oxygen reduction catalysed by a dinuclear cobalt N,O-Schiff base complex †. / James, Charles A.; Swindells, Jessica E.; Ellis, Harry et al.
In: Chemical Communications, 18.07.2025.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

James, CA, Swindells, JE, Ellis, H, Arjariya, R, Jarvis, SP, Brookfield, A & Fielden, J 2025, 'Anion controlled selectivity in oxygen reduction catalysed by a dinuclear cobalt N,O-Schiff base complex †', Chemical Communications. https://doi.org/10.1039/d5cc02476e

APA

James, C. A., Swindells, J. E., Ellis, H., Arjariya, R., Jarvis, S. P., Brookfield, A., & Fielden, J. (2025). Anion controlled selectivity in oxygen reduction catalysed by a dinuclear cobalt N,O-Schiff base complex †. Chemical Communications. Advance online publication. https://doi.org/10.1039/d5cc02476e

Vancouver

James CA, Swindells JE, Ellis H, Arjariya R, Jarvis SP, Brookfield A et al. Anion controlled selectivity in oxygen reduction catalysed by a dinuclear cobalt N,O-Schiff base complex †. Chemical Communications. 2025 Jul 18. Epub 2025 Jul 18. doi: 10.1039/d5cc02476e

Author

James, Charles A. ; Swindells, Jessica E. ; Ellis, Harry et al. / Anion controlled selectivity in oxygen reduction catalysed by a dinuclear cobalt N,O-Schiff base complex †. In: Chemical Communications. 2025.

Bibtex

@article{2888c03203be452aa4cf024c53d33ea5,
title = "Anion controlled selectivity in oxygen reduction catalysed by a dinuclear cobalt N,O-Schiff base complex †",
abstract = "A new dinuclear cobalt complex selectively catalyses 4e− reduction of O2 to water in methanol containing acetic acid. Its TOF of 0.031 s−1 and overpotential of 690 mV outperform the few previous Co N,O-chelate based catalysts for the 4e− ORR. Replacing acetic acid with NH4PF6 as proton source induces a complete and unprecedented switch to the H2O2 producing 2e− pathway. Mechanistic studies suggest a peroxo intermediate for both pathways, with acetate coordination/decoordination determining the destination of a key electron transfer.",
author = "James, {Charles A.} and Swindells, {Jessica E.} and Harry Ellis and Richa Arjariya and Jarvis, {Samuel P.} and Adam Brookfield and John Fielden",
year = "2025",
month = jul,
day = "18",
doi = "10.1039/d5cc02476e",
language = "English",
journal = "Chemical Communications",
issn = "1359-7345",
publisher = "Royal Society of Chemistry",

}

RIS

TY - JOUR

T1 - Anion controlled selectivity in oxygen reduction catalysed by a dinuclear cobalt N,O-Schiff base complex †

AU - James, Charles A.

AU - Swindells, Jessica E.

AU - Ellis, Harry

AU - Arjariya, Richa

AU - Jarvis, Samuel P.

AU - Brookfield, Adam

AU - Fielden, John

PY - 2025/7/18

Y1 - 2025/7/18

N2 - A new dinuclear cobalt complex selectively catalyses 4e− reduction of O2 to water in methanol containing acetic acid. Its TOF of 0.031 s−1 and overpotential of 690 mV outperform the few previous Co N,O-chelate based catalysts for the 4e− ORR. Replacing acetic acid with NH4PF6 as proton source induces a complete and unprecedented switch to the H2O2 producing 2e− pathway. Mechanistic studies suggest a peroxo intermediate for both pathways, with acetate coordination/decoordination determining the destination of a key electron transfer.

AB - A new dinuclear cobalt complex selectively catalyses 4e− reduction of O2 to water in methanol containing acetic acid. Its TOF of 0.031 s−1 and overpotential of 690 mV outperform the few previous Co N,O-chelate based catalysts for the 4e− ORR. Replacing acetic acid with NH4PF6 as proton source induces a complete and unprecedented switch to the H2O2 producing 2e− pathway. Mechanistic studies suggest a peroxo intermediate for both pathways, with acetate coordination/decoordination determining the destination of a key electron transfer.

U2 - 10.1039/d5cc02476e

DO - 10.1039/d5cc02476e

M3 - Journal article

JO - Chemical Communications

JF - Chemical Communications

SN - 1359-7345

ER -