Palladium supported on detonation nanodiamond as a highly effective catalyst of the C=C and C≡C bond hydrogenation

Turova, O. V.; Starodubtseva, E. V.; Vinogradov, M. G.; Sokolov, V. I.; Abramova, N. V.; Vul, A. Ya.; Alexenskiy, Alexander E.

doi:10.1016/j.catcom.2010.12.001

Cited by 44 publications

(19 citation statements)

References 17 publications

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“…In the second case, the nanocatalyst resulted more robust than the Al 2 O 3 /Pt taken as reference and the role of the nanocarbon was crucial for preventing nanoparticle coalescence . On the other hand, palladium loaded on NDs was used as a catalyst for the hydrogenation reaction of C−C double and triple bonds as well as the hydrogenating deamination of benzonitrile, aromatic imines and amines and for the in situ conversion of aldehydes into hydrocarbons . In this latter example, authors state that the presence of well‐exposed acidic sites uniformly distributed and the good exposure of palladium nanoparticles are the key factors that result in the good activity of the Pd/NDs catalyst.…”

Section: Nanodiamonds Onion‐like Carbon Nanohornsmentioning

confidence: 99%

Modified Nanocarbons for Catalysis

2018

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Nanocarbons represent useful scaffolds in the preparation of last generation nanostructured catalysts, and their chemical functionalization through covalent or non‐covalent modification is becoming an important tool for introducing well‐distributed anchoring points and, in the meantime, could be the first step toward the assembling of hybrid nanostructured materials with a hierarchical order. In this Review are reported synthesis and catalytic applications of chemically modified nanocarbons such as fullerene, carbon nanotubes, graphene, nanohorns and nanodiamonds in organocatalytic and metal‐based (metal nanoparticles, organometallic complexes) reactions, covering major chemical reactions encompassing, the oxidation of alcohols, aldehydes, olefins, and silanes, hydrogenation reactions of aldehydes, ketones, and alkenes, dehydrogenative coupling of silanes, C−C coupling reactions, epoxidation of alkenes, CO2 fixation into cyclic carbonates, and asymmetric reactions, among others.

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Section: Nanodiamonds Onion‐like Carbon Nanohornsmentioning

confidence: 99%

Modified Nanocarbons for Catalysis

2018

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“…Unique properties of detonation nanodiamond ( ND ) materials find various applications in the state-of-the-art branches of science and technology [ [1] , [2] , [3] , [4] , [5] , [6] ]. They are used in the formation of composites, electronic instruments, catalysts [ 1 , 2 ], and as new sorbents [ 3 , [5] , [6] , [7] ]. These materials are also promising for biomedical applications [ 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Absorption spectra of nanodiamond aqueous dispersions by optical absorption and optoacoustic spectroscopies

et al. 2018

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The multispectral modality and technique for optically dense samples of optoacoustic spectroscopy were applied to measure spectra and high absorbances of concentrated aqueous dispersions of undoped nanodiamonds. The data from optoacoustic and optical transmission measurements and DSC data of the mean particle size by the Gibbs–Kelvin equation are compared to estimate the difference in composition of various nanodiamond trademarks. Optoacoustic spectra confirm the contribution of surface dimer chains into the absorption of nanodiamonds in the long wavelength range. Optoacoustic and conventional absorption spectra of aqueous solutions of nanodiamond fractions after centrifugation (15300g) and ultracentrifugation (130000g) revealed a separation of a highly absorbing non-diamond sp2 phase. The two-step separation by ultracentrifugation followed by extra centrifugation made it possible to isolate a highly absorbing and soluble nanodiamond phase with the particle size of 3.6 nm, showing a change in spectra compared to the starting nanodiamond material.

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“…The synthesis of the catalyst and the Heck and Suzuki reactions were performed under the standard conditions elaborated earlier . The resultant catalyst appeared to be active in both reactions.…”

Section: Methodsmentioning

confidence: 99%

“…The reaction between Pd 2 (dba 3 ) and carbon nanotubes proceeds smoothly in an inert solvent under neutral conditions. Later it was found that this approach was also applicable to promote the growth of Pd nanoclusters atop of nanodiamonds and graphene . All these materials have been shown to be effective catalysts in the hydrogenation of unsaturated hydrocarbons and C−C cross‐coupling reactions.…”

Section: Introductionmentioning

confidence: 99%

Direct Synthesis of Palladium Catalyst on Supporting WS₂ Nanotubes and its Reactivity in Cross‐Coupling Reactions

Višić

Cohen

Popovitz‐Biro

et al. 2015

Chemistry An Asian Journal

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Palladium nanoparticles were deposited on multiwall WS2 nanotubes. The composite nanoparticles were characterized by a variety of techniques. The Pd nanoparticles were deposited uniformly on the surface of WS2 nanotubes. An epitaxial relationship between the (111) plane of Pd and the (013) plane of WS2 was mostly observed. The composite nanoparticles were found to perform efficiently as catalysts for cross-coupling (Heck and Suzuki) reactions. The role of the nanotubes' support in the catalytic process is briefly discussed.

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Palladium supported on detonation nanodiamond as a highly effective catalyst of the C=C and C≡C bond hydrogenation

Cited by 44 publications

References 17 publications

Modified Nanocarbons for Catalysis

Modified Nanocarbons for Catalysis

Absorption spectra of nanodiamond aqueous dispersions by optical absorption and optoacoustic spectroscopies

Direct Synthesis of Palladium Catalyst on Supporting WS₂ Nanotubes and its Reactivity in Cross‐Coupling Reactions

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Palladium supported on detonation nanodiamond as a highly effective catalyst of the C=C and C≡C bond hydrogenation

Cited by 44 publications

References 17 publications

Modified Nanocarbons for Catalysis

Modified Nanocarbons for Catalysis

Absorption spectra of nanodiamond aqueous dispersions by optical absorption and optoacoustic spectroscopies

Direct Synthesis of Palladium Catalyst on Supporting WS2 Nanotubes and its Reactivity in Cross‐Coupling Reactions

Contact Info

Product

Resources

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Direct Synthesis of Palladium Catalyst on Supporting WS₂ Nanotubes and its Reactivity in Cross‐Coupling Reactions