Influence of the electronic state of the metals in Fe–Pt/SiO2 catalysts on the performance of hydrogenation of phenylacetylene

[Display omitted] Iron-modified platinum bimetallic system, 1% Pt–1% Fe/SiO2, provides selective liquid-phase hydrogenation of phenylacetylene into styrene at 70°C and 5 atm. This effect is attributed to the electron enrichment of the Pt surface atoms due to a charge transfer from Fe to Pt or contac...

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Published in:Mendeleev communications 2019-11, Vol.29 (6), p.666-668
Main Authors: Shesterkina, Anastasiya A., Tkachenko, Olga P., Shuvalova, Elena V., Kapustin, Gennady I., Kazansky, Vladimir B., Kustov, Leonid M.
Format: Article
Language:English
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Summary:[Display omitted] Iron-modified platinum bimetallic system, 1% Pt–1% Fe/SiO2, provides selective liquid-phase hydrogenation of phenylacetylene into styrene at 70°C and 5 atm. This effect is attributed to the electron enrichment of the Pt surface atoms due to a charge transfer from Fe to Pt or contact interactions between these two metals, as indicated by XPS and DRIFTS-CO.
ISSN:0959-9436
DOI:10.1016/j.mencom.2019.11.021