The Effect of Carbon Nanofibers Surface Properties in Hydrogenation and Dehydrogenation Reactions
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 an...
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| Veröffentlicht in: | Applied sciences 2019-12, Vol.9 (23), p.5061 |
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| creator | Cattaneo, Stefano Sanchez Trujillo, Felipe J. Dimitratos, Nikolaos Villa, Alberto |
| description | 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. |
| doi_str_mv | 10.3390/app9235061 |
| format | Article |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; MDPI - Multidisciplinary Digital Publishing Institute |
| subjects | Alcohol Aqueous solutions By products Carbon fibers Catalysts Cinnamaldehyde Dehydrogenation Hydrocarbons Hydrogenation Morphology Nanofibers Nanoparticles Oxygen content Particle size Reaction products Selectivity Surface properties Transmission electron microscopy |
| title | The Effect of Carbon Nanofibers Surface Properties in Hydrogenation and Dehydrogenation Reactions |
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