Issue 36, 2024

Kinetic isotope effect offers selectivity in CO2 reduction

Abstract

A binuclear Ni complex with N,O donors catalyzes CO2 reduction via its Ni(I) state. The product distribution when H2O is used as a proton source shows similar yields for CO, HCOOH and H2. However, when D2O is used, the product distribution shows a ∼65% selectivity for HCOOH. In situ FTIR indicates that the reaction involves a Ni–COO* and a Ni–CO intermediate. Differences in H/D KIEs on different protonation pathways determine the selectivity of CO2 reduction.

Graphical abstract: Kinetic isotope effect offers selectivity in CO2 reduction

Supplementary files

Article information

Article type
Communication
Submitted
04 ene. 2024
Accepted
02 abr. 2024
First published
05 abr. 2024

Chem. Commun., 2024,60, 4826-4829

Kinetic isotope effect offers selectivity in CO2 reduction

S. Patra, S. Atta, S. Ghosh, A. Majumdar and A. Dey, Chem. Commun., 2024, 60, 4826 DOI: 10.1039/D3CC06336D

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