Issue 6, 2024

O–O bond formation via radical coupling in a dinuclear iron water oxidation catalyst with high catalytic activity

Abstract

The use of iron-based catalysts for the water oxidation reaction is highly attractive due to the high abundance of iron. While many molecular catalysts have been made, most show limited activity and short lifetimes. An exception with higher activity was presented by Thummel and co-workers in 2015. Herein we present a study on the feasibility of the coupling of two O centered radicals originating from the two subunits of the dinuclear catalyst. The reaction pathway includes the oxidation to the active species FeIV–O–FeIV but avoids further high potential oxidations which previous mechanistic proposals have relied on.

Graphical abstract: O–O bond formation via radical coupling in a dinuclear iron water oxidation catalyst with high catalytic activity

Supplementary files

Article information

Article type
Communication
Submitted
27 Sept. 2023
Accepted
11 Janv. 2024
First published
16 Janv. 2024

Dalton Trans., 2024,53, 2456-2459

O–O bond formation via radical coupling in a dinuclear iron water oxidation catalyst with high catalytic activity

G. Li and M. S. G. Ahlquist, Dalton Trans., 2024, 53, 2456 DOI: 10.1039/D3DT03178K

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