Atomically Dispersed Iridium on Indium Tin Oxide Efficiently Catalyzes Water Oxidation.

ABSTRACT: Heterogeneous catalysts in the form of atomically dispersed metals on a support provide the most efficient utilization of the active component, which is especially important for scarce and expensive late transition metals. These catalysts also enable unique opportunities to understand reaction pathways through detailed spectroscopic and computational studies. Here, we demonstrate that atomically dispersed iridium sites on indium tin oxide prepared via surface organometallic chemistry display exemplary catalytic activity in one of the most challenging electrochemical processes, the oxygen evolution reaction (OER). In situ X-ray absorption studies revealed the formation of Ir^V=O intermediate under OER conditions with an Ir-O distance of 1.83 Å. Modeling of the reaction mech

SUBMITTER: Lebedev D 

PROVIDER: S-EPMC7379386 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature