Platinum-nickel alloy nanoparticles supported on carbon for 3-pentanone hydrogenation

Valorization of Biomass‐derived Small Oxygenates: Kinetics, Mechanisms and Site Requirements of H2‐involved Hydrogenation and Deoxygenation Pathways over Heterogeneous Catalysts

“…A better hydrogenation performance of bimetallic catalysts compared to the individual monometallic counterparts, in terms of both activity and selectivity to alcohol products without carbon losses and over‐hydrogenation, is usually observed. For example, PtNi/Ni(OH) 2 /C (Pt being deposited on Ni/Ni(OH) 2 /C by galvanic replacement reaction) and the alloyed PtNi/C (prepared by reducing PtNi/Ni(OH) 2 /C in H 2 ) catalysts exhibited much higher TOFs relative to the Ni/Ni(OH) 2 /C (hydrazine reduction), Ni/C (prepared by reducing Ni(OH) 2 /C in H 2 ), Pt/C (impregnation) catalysts for 3‐pentanone hydrogenation due to electron synergistic effect between Pt and Ni species in the alloyed PtNi/C catalyst which also showed an excellent stability . Similarly, the combination of Pt and Ru sites led to enhanced catalytic activity of neat acetone and 2‐pentanone hydrogenation compared with monometallic ones .…”

Tiny Ruthenium‐Cobalt‐Cobalt Hydroxide Nanoparticles Supported on Graphene for Efficiently Catalyzing Naphthalene Complete Hydrogenation

“…Co/Co(OH) 2 /G was synthesized via chemical reduction strategy with hydrazine hydrate as reducing agent The Ru/Co/Co(OH) 2 /G sample was obtained by galvanic displacement reaction method . X‐ray diffraction (XRD) measurements for the Co/Co(OH) 2 /G and Ru/Co/Co(OH) 2 /G catalysts were carried out to gain the crystallite phase of Ru or Co‐containing and the results are given in Figure .…”

Ir/C and Brφnsted acid functionalized ionic liquids: an efficient catalytic system for hydrogenation of nitrobenzene to p-aminophenol

“…45,46 The Pt 4f 7/2 could be deconvoluted into two peaks at about 71.5 eV and 72.3 eV, which were assigned to metallic Pt(0) and Pt(2 + ) respectively. 47,48 The presence of Ir(4 + ) and Pt(2 + ) might be related to the oxidation of Ir and Pt particles in air. 46 High resolution transmission electron microscopy (HR-TEM) images (Fig.…”