Covalently Linked Triarylborane–Iridium(III) Complex as a Photocatalyst for CO2 Reduction

Abstract

A biscyclometalated Ir(III) complex bearing a triarylborane unit (IrDB) catalyzes the reduction of CO2 to CO and HCOOH under visible light irradiation in the presence of 1,3-dimethyl-2-phenyl-2,3-dihydro-1H-benzo[d]imidazole (BIH). A direct covalent linkage between the two components—the Ir(III) metal center and the triarylborane moiety—is essential for achieving the photocatalytic activity.

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Article information

Article type
Communication
Submitted
31 May 2025
Accepted
12 Aug 2025
First published
19 Aug 2025

Chem. Commun., 2025, Accepted Manuscript

Covalently Linked Triarylborane–Iridium(III) Complex as a Photocatalyst for CO2 Reduction

R. Fukumoto, T. Yokoo, E. Sakuda, K. Omoto, S. Horiuchi, Y. Arikawa and K. Umakoshi, Chem. Commun., 2025, Accepted Manuscript , DOI: 10.1039/D5CC03094C

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