Steric and Electronic Effects of Phosphane Additives on the Catalytic Performance of Colloidal Palladium Nanoparticles in the Semi‐Hydrogenation of Alkynes
Sign Up to like & getrecommendations! Published in 2020 at "ChemCatChem"
DOI: 10.1002/cctc.202001121
Abstract: We report on the influence of phosphanes on the catalytic activity and selectivity of colloidal, tetraoctylammonium bromide (TOAB) stabilised palladium nanoparticles (NPs) in the semi‐hydrogenation of alkynes to olefins. Full characterisation of the catalytic system… read more here.
Keywords: palladium nanoparticles; semi hydrogenation; performance; hydrogenation alkynes ... See more keywords
Pairing d-Band Center of Metal Sites with π-Orbital of Alkynes for Efficient Electrocatalytic Alkyne Semi-Hydrogenation.
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DOI: 10.1002/smll.202205845
Abstract: Electrocatalytic alkyne semi-hydrogenation has attracted ever-growing attention as a promising alternative to traditional thermocatalytic hydrogenation. However, the correlation between the structure of active sites and electrocatalytic performance still remains elusive. Herein, the energy difference (∆ε)… read more here.
Keywords: hydrogenation; semi hydrogenation; alkyne semi; electrocatalytic alkyne ... See more keywords
C2H2 semi-hydrogenation on the metal M (M = Cu, Ag, Au) alloyed single-atom Pd catalysts: Effects of Pd coordination number and environment on the catalytic performance
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2021.116786
Abstract: Abstract Aiming at understanding the effects of Pd coordination number and environment on the catalytic performance of C2H2 semi-hydrogenation, DFT calculations were performed to illustrate C2H2 semi-hydrogenation mechanism on the M(M = Cu, Ag, Au) alloyed single-atom… read more here.
Keywords: single atom; c2h2 semi; coordination number; alloyed single ... See more keywords
Combined experimental and theoretical study of acetylene semi-hydrogenation over Pd/Al2O3
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2019.04.086
Abstract: Abstract The semi-hydrogenation of acetylene (C2H2 + H2 = C2H4, ΔH = −172 kJ mol−1) is a well-studied reaction that is important for purification of ethylene, C2H4, feed used in polyethylene production. Pd-based catalysts are most commonly used to remove acetylene… read more here.
Keywords: catalytic properties; experimental theoretical; acetylene semi; hydrogenation ... See more keywords
Fabrication of Ni3N nanorods anchored on N-doped carbon for selective semi-hydrogenation of alkynes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2019.12.005
Abstract: Abstract Nickel is a highly active catalyst for the semi-hydrogenation of alkynes. However, the low selectivity of the alkene product caused by the over-hydrogenation reaction on Ni has hindered its practical applications. In this work,… read more here.
Keywords: fabrication ni3n; semi hydrogenation; hydrogenation; ni3n nanorods ... See more keywords
Promoting the performances of Ru on hierarchical TiO2 nanospheres exposed {0 0 1} facets in benzene semi-hydrogenation by manipulating the metal-support interfaces
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2019.12.017
Abstract: Abstract We devised ruthenium-based catalysts with hierarchical anatase TiO2 nanospheres (HATNs) constructed by ultrathin nanosheets (NSs) exposed different degrees of {0 0 1} facets as the supports for semi-hydrogenation of benzene (SHB) and boosted the performances by… read more here.
Keywords: tio2; tio2 nanospheres; hydrogenation; manipulating metal ... See more keywords
Semi-hydrogenation of alkynes using Ru/TPPTS as a biphasic recyclable catalyst in ethylene glycol-toluene solvent system
Sign Up to like & getrecommendations! Published in 2018 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2018.09.008
Abstract: Abstract The chemoselective semi-hydrogenation of alkynes into E and Z -alkenes was studied by using Ru/TPPTS as a biphasic and recyclable catalyst in ethylene glycol-toluene solvent system. Current protocol is atom efficient and gives selectivity… read more here.
Keywords: system; semi hydrogenation; using tppts; tppts biphasic ... See more keywords
Isolation of Pd atoms by Cu for semi-hydrogenation of acetylene: Effects of Cu loading
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Journal of Catalysis"
DOI: 10.1016/s1872-2067(17)62847-x
Abstract: Abstract Cu-alloyed Pd single-atom catalysts exhibit excellent catalytic performance for the semi-hydrogenation of acetylene; however, the limit of the Cu/Pd atomic ratio for forming the alloyed Pd single-atom catalyst is ambiguous. Herein, silica-supported Cu–Pd bimetallic… read more here.
Keywords: semi hydrogenation; hydrogenation acetylene; isolation atoms; spectroscopy ... See more keywords
Catalytic, Z-Selective, Semi-Hydrogenation of Alkynes with a Zinc–Anilide Complex
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DOI: 10.1021/jacs.3c02301
Abstract: The reversible activation of dihydrogen with a molecular zinc anilide complex is reported. The mechanism of this reaction has been probed through stoichiometric experiments and density functional theory (DFT) calculations. The combined evidence suggests that… read more here.
Keywords: anilide complex; zinc; hydrogenation; semi hydrogenation ... See more keywords
Efficient Z-Selective Semi-Hydrogenation of Internal Alkynes Catalyzed by Cationic Iron(II) Hydride Complexes.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.9b09907
Abstract: The bench-stable cationic bis(σ-B-H) aminoborane complex [Fe(PNPNMe-iPr)(H)(η2-H2B=NMe2)]+ (2) efficiently catalyzes the semi-hydrogenation of internal alkynes, 1,3-diynes and 1,3-enynes. Moreover, selective incorporation of deuterium was achieved in the case of 1,3-diynes and 1,3-enynes. The catalytic reaction… read more here.
Keywords: semi hydrogenation; hydrogenation internal; internal alkynes; pnpnme ipr ... See more keywords
Converting copper sulfide to copper with surface sulfur for electrocatalytic alkyne semi-hydrogenation with water
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DOI: 10.1038/s41467-021-24059-y
Abstract: Electrocatalytic alkyne semi-hydrogenation to alkenes with water as the hydrogen source using a low-cost noble-metal-free catalyst is highly desirable but challenging because of their over-hydrogenation to undesired alkanes. Here, we propose that an ideal catalyst… read more here.
Keywords: electrocatalytic alkyne; alkyne semi; semi hydrogenation; hydrogenation ... See more keywords