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Selectivity boost in partial hydrogenation of acetylene via atomic dispersion of platinum over ceria

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Kröhnert,  Jutta
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Trunschke,  Annette
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Ayodele, O. B., Vinati, S., Barborini, E., Boddapati, L., Hajraoui, K. E., Kröhnert, J., et al. (2020). Selectivity boost in partial hydrogenation of acetylene via atomic dispersion of platinum over ceria. Catalysis Science & Technology, 10(22), 7471-7475. doi:10.1039/d0cy01592j.


Cite as: http://hdl.handle.net/21.11116/0000-0007-8788-7
Abstract
High-throughput flame spray pyrolysis directly affords a low-loading Pt catalyst supported on cerium oxide, which is an excellent material for selective semihydrogenation of C2H2 at 180 °C, exhibiting nearly complete conversion of C2H2 (98.2%) with high selectivity towards C2H4 (87.1%). Pt in this catalyst is atomically dispersed within cerium oxide, and this structural feature restricts C2H4 adsorption as π-bonded, known to promote C2H4 selectivity.