Bridging Heterogeneous and Homogeneous Catalysis: Concepts, by Can Li, Yan Liu

By Can Li, Yan Liu

There are major disciplines in catalysis study -- homogeneous and heterogeneous catalysis. this is often because the catalyst is both within the related part (homogeneous catalysis) because the response being catalyzed or in a distinct part (heterogeneous catalysis). during the last decade, quite a few ways were carried out to mix the benefits of homogeneous catalysis (efficiency, selectivity) with these of heterogeneous catalysis (stability, restoration) via the heterogenization of homogeneous catalysts or via conducting homogeneous reactions less than heterogeneous stipulations.
This designated guide fills the space out there for an updated paintings that hyperlinks either homogeneous catalysis utilized to natural reactions and catalytic reactions on surfaces of heterogeneous catalysts. As such, it highlights structural analogies and indicates mechanistic parallels among the 2, whereas also providing kinetic research tools and types that both paintings for either homogeneous and heterogeneous catalysis.
Chapters disguise uneven, emulsion, phase-transfer, supported homogeneous, and organocatalysis, in addition to in nanoreactors and for particular functions, catalytic reactions in ionic drinks, fluorous and supercritical solvents and in water. ultimately, the textual content comprises computational tools for investigating structure-reactivity family members.
With its wealth of data, this worthwhile reference offers educational and business chemists with novel suggestions for leading edge catalysis research.

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Additional resources for Bridging Heterogeneous and Homogeneous Catalysis: Concepts, Strategies, and Applications

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Insets show the ED patterns corresponding to the whole area of the related image. 13. The simulated system contained one Ru NP (crystalline or amorphous-shell) and 828 ion pairs of [BMIm][NTf2 ] in periodic cubic boxes, and used the DL POLY molecular dynamics package. After calibration, it was found that Ru NPs were solvated preferentially by the charged moieties of the ions, that is, both cations and anions, with an interface layer that was one ion thick. Meanwhile, the side chains of cations were preferentially directed away from the surface.

Theoretically, it can construct active sites accessible in three dimensions to reactant molecules if the NMPs are supported by a liquid as support, which might enhance the utilization efficiency of the NMPs greatly [4]. Unfortunately, the absence of a support commonly makes the NMPs inactive and unstable. The nonvolatility, highly thermal stability, tunable structure, and ionic environment of ILs offer a great chance to build active and stable NMP catalysts with a liquid support. 1b [5]. Therefore, a ‘‘solid-state’’ liquid-supported NMP catalyst with active sites accessible in three dimensions to the reactant molecules can be achieved by combining ILs and NMPs.

2 Catalysis with IL-Supported or Mediated Metal Nanoparticles Nanocatalysis is a rapidly growing field which involves the use of nanostructured materials such as NPs, nanofilms, and nano porous solids, as catalysts. In comparison with their bulk counterparts, the nano-structured catalytic materials possess high surface-to-volume ratio, high surface energy, and different electronic state, which result in unique catalytic activity in many reactions. Conventionally, solid-supported nano-metal particles (NMPs) have been widely studied in various reactions.

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