Proceedings of MATSUS Fall 2023 Conference (MATSUSFall23)
DOI: https://doi.org/10.29363/nanoge.matsus.2023.184
Publication date: 18th July 2023
Benzaldehyde is regarded as one of the essential building blocks in modern organic synthesis1. And also, hydrogen production, along with the selective production of benzaldehyde from the oxidation of alcohol, is an ideal approach to reaching the higher atom economy2. We demonstrate a catalytic system, a non-catalytic porous membrane UiO-66 (MOF), assembled on a solid electrocatalyst (Bi) for a benzyl alcohol oxidation reaction. UiO-66 membrane systematically tunes the active site’s immediate chemical environment, leading to significant improvement in selectivity and overall catalytic activity. As a result, the UiO-66 membrane on Bi (Bi-UiO-66) electrocatalyst is exhibiting selectivity of benzaldehyde (~99%) from the alcohol and for H2 (~100%) at the counter-reaction. Electrochemical analysis and other experimental results revealed that the UiO-66 membrane effectively suppresses the over-oxidation of catalytic intermediate (benzaldehyde), leaving a product with high selectivity. The UiO-66 also stabilizes the catalytic intermediate via the secondary coordination sphere. In this talk, I will discuss all these aspects in detail.
We thank the Ilse Katz Institute for Nanoscale Science and Technology for the technical support of material characterization. The project leading to this application has received funding from European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme under grant agreement No. 947655. This work was partially funded by the Israel Science Foundation (ISF) PAT Center of Excellence (grant No. 2171/17).
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