An Egg-Shell PdAg/α-Al2O3 Single-Atom Alloy Catalyst for Selective Acetylene Hydrogenation

Pavel Markov,Igor S. Mashkovsky,Galina N. Baeva,Dmitry P. Melnikov,Alexander Yu. Stakheev

Mendeleev communications（2023）

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摘要

The PdAg/α-Al2O3 catalyst with an egg-shell distribution of single-atom alloy (SAA) Pd1Ag nanoparticles was obtained using the complex PdAg2(OAc)4(HOAc)4 as a precursor and characterized by FESEM-EDS, XPS, and DRIFTS CO analysis. The egg-shell Pd1Ag SAA catalyst demonstrated superior selectivity in the hydrogenation of acetylene in acetylene–ethylene feed.

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关键词

acetylene hydrogenation,egg-shell catalyst,single-atom alloy catalyst,PdAg alloy,heterobimetallic complex,catalyst characterization

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