Publication date: 15th December 2025
The hydrogenation of carbonyl compounds to alcohols is a fundamental transformation in synthetic chemistry with broad applications in the production of bulk and fine chemicals. Acetone hydrogenation, in particular, is gaining attention due to its relevance in isopropanol synthesis, hydrogen storage, fuel cell technologies, and mechanistic studies. In this work, we report a simple electrodeposition approach for preparing cost-effective iron oxide nanoparticles (≈70 nm) electrodes supported on carbon paper (CP). The electrocatalytic hydrogenation of acetone to isopropanol was investigated in a neutral aqueous medium (pH 7) using especially-designed H-type cell. Electrochemical results reveal that the Faradaic efficiency (FE) strongly depends on both the applied reduction potential and the electrolyte-to-acetone ratio. A maximum FE of 97% was achieved under the optimised conditions. This high performance is attributed to enhanced acetone adsorption and accelerated hydrogenation kinetics via facilitated H* formation on the iron (oxide) surface [1].
The authors acknowledge the financial support from the Alexander Von Humboldt Foundation.
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