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The effect of carbon nanofibers surface properties in hydrogenation and dehydrogenation reactions

Cattaneo, Stefano, Sanchez Trujillo, Felipe J., Dimitratos, Nikolaos and Villa, Alberto 2019. The effect of carbon nanofibers surface properties in hydrogenation and dehydrogenation reactions. Applied Sciences 9 (23) , 5061. 10.3390/app9235061

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Abstract

In this study, carbon nanofiber-supported Pd nanoparticles were used in the hydrogenation of cinnamaldehyde and in the dehydrogenation of cinnamyl alcohol. The different graphitisation of the surface of the nanofibers and the amount of oxygen functionalisation significantly affected both activity and selectivity to the various reaction products. In particular, a decrease in nanoparticle dimensions and oxygen content resulted in an increase in overall activity for both of the studied reactions. Moreover, the selectivity to hydrocinnamaldehyde enhanced with increasing surface oxygen content in the cinnamaldehyde hydrogenation, while the selectivity to cinnamaldehyde was higher with low-functionalised nanofibers in the cinnamyl alcohol dehydrogenation. Finally, the most active catalyst proved also to be stable in consecutive runs.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: MDPI
ISSN: 2076-3417
Date of First Compliant Deposit: 7 January 2020
Date of Acceptance: 21 December 2019
Last Modified: 08 Jan 2020 11:30
URI: http://orca.cf.ac.uk/id/eprint/128272

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