High‐Density Rare‐Earth Single‐Atom‐Triggered Unconventional Transition of Adsorption Configuration on La1Pd Monatomic Alloy Metallene for Sustainable Electrocatalytic Alkynol Semi‐Hydrogenation
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DOI: 10.1002/adfm.202404648
Abstract: Electrocatalytic alkynol semi‐hydrogenation for the high‐value chemicals alkenol with mild conditions and carbon‐free emission is a potentially green and sustainable alternative to conventional thermocatalytic routes, which generally involves the design of electrocatalysts with high activity… read more here.
Keywords: mby; hydrogenation; adsorption; single atom ... See more keywords
Dynamically Precise Constructing Dual‐Atom Pd2 Catalyst:A Monodisperse Catalyst With High Stability for Semi‐Hydrogenation of Alkyne
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DOI: 10.1002/adma.202409436
Abstract: Dual‐atom catalysts (DACs) originate unprecedented reactivity and maximize resource efficiency. The fundamental difficulty lies in the high complexity and instability of DACs, making the rational design and targeted performance optimization a grand challenge. Here, an… read more here.
Keywords: dynamically precise; catalyst; dual atom; semi hydrogenation ... See more keywords
Enhanced resistance to poisoning of Pd in alkynes semi‐hydrogenation by metal–ligand electronic interactions
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DOI: 10.1002/aic.18687
Abstract: Given that the retention of nitrogen readily renders active site poisoning, designing versatile catalysts characterized by notable selectivity and even resistance to poisoning for alkyne semi‐hydrogenation under nitrogen‐containing conditions is considerably challenging. In this article,… read more here.
Keywords: hydrogenation; ligand electronic; resistance poisoning; semi hydrogenation ... See more keywords
Steric and Electronic Effects of Phosphane Additives on the Catalytic Performance of Colloidal Palladium Nanoparticles in the Semi‐Hydrogenation of Alkynes
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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
Membrane-Free Selective Semi-Hydrogenation of Alkynes Over an In Situ Formed Copper Nanoparticle Electrode.
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DOI: 10.1002/smll.202401107
Abstract: Selective semi-hydrogenation of alkynes is a significant reaction for preparing functionalized alkenes. Electrochemical semi-hydrogenation presents a sustainable alternative to the traditional thermal process. In this research, affordable copper acetylacetonate is employed as a catalyst precursor… read more here.
Keywords: hydrogenation alkynes; hydrogenation; copper; selective semi ... 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
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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
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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
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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