Synergistic Catalysis in Heterobimetallic Complexes for Homogeneous Carbon Dioxide Hydrogenation.

ABSTRACT: Two heterobimetallic Mo,M' complexes (M' = Ir^III, Rh^III) were synthesized and fully characterized. Their catalytic activity in homogeneous carbon dioxide hydrogenation to formate was studied. A pronounced synergistic effect between the two metals was found, most notably between Mo and Ir, leading to a fourfold increase in activity compared with a binary mixture of the two monometallic counterparts. This synergism can be attributed to spatial proximity of the two metals rather than electronic interactions. To further understand the nature of this interaction, the mechanism of the CO₂ hydrogenation to formate by a monometallic Ir^III catalyst was studied using computational and spectroscopic methods. The resting state of the reaction was found to be

SUBMITTER: Fickenscher ZBG 

PROVIDER: S-EPMC10059594 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature