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Related Concept Videos

Heterogeneous Catalysis01:22

Heterogeneous Catalysis

53
Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...
53
Catalysis02:50

Catalysis

31.5K
The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.
31.5K
Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

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Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.
1.9K
Metal-Ligand Bonds02:51

Metal-Ligand Bonds

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The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
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Complexation Equilibria: Factors Influencing Stability of Complexes01:09

Complexation Equilibria: Factors Influencing Stability of Complexes

912
In complexation reactions, metal cations are the electron pair acceptors, and the ligands are the electron pair donors. The stability of the metal complexes depends primarily on the complexing ability of the central metal ion and the nature of the ligands. Generally, the complexing ability of the metal ion depends on the size and charge of the ion. As the metal ion size increases, the stability of the metal complexes decreases, provided that the valency of the metal ion and the ligands remain...
912
Formation of Complex Ions03:45

Formation of Complex Ions

26.5K
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
26.5K

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Mizoroki-Heck Cross-coupling Reactions Catalyzed by Dichloro{bis[1,1',1''-phosphinetriyltripiperidine]}palladium Under Mild Reaction Conditions
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Mizoroki-Heck Cross-coupling Reactions Catalyzed by Dichloro{bis[1,1',1''-phosphinetriyltripiperidine]}palladium Under Mild Reaction Conditions

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Intermetallic compounds in heterogeneous catalysis-a quickly developing field.

Marc Armbrüster1, Robert Schlögl2, Yuri Grin1

  • 1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany.

Science and Technology of Advanced Materials
|November 24, 2016
PubMed
Summary
This summary is machine-generated.

Intermetallic compounds show great promise for heterogeneous catalysis, offering new solutions for energy transition challenges. This review highlights their potential in both fundamental and applied catalysis research.

Keywords:
acetylene semi-hydrogenationcomplex metallic alloyheterogeneous catalysisintermetallic compoundmethanol steam reformingselective hydrogenation

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HKUST-1 as a Heterogeneous Catalyst for the Synthesis of Vanillin
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HKUST-1 as a Heterogeneous Catalyst for the Synthesis of Vanillin

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HKUST-1 as a Heterogeneous Catalyst for the Synthesis of Vanillin
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Area of Science:

  • Materials Science
  • Catalysis
  • Chemical Engineering

Background:

  • Intermetallic compounds have emerged as a significant area of research in heterogeneous catalysis over the past decade.
  • Their unique electronic and structural properties make them attractive for catalytic applications.

Purpose of the Study:

  • To provide a comprehensive overview of the concepts and developments related to intermetallic compounds in catalysis.
  • To reveal the potential of intermetallic compounds in both fundamental and applied catalysis research.
  • To discuss their role in addressing current and future catalytic challenges, particularly in the context of the energy transition.

Main Methods:

  • This review synthesizes existing literature and research findings on intermetallic compounds in catalysis.
  • It analyzes conceptual advancements and practical developments in the field.

Main Results:

  • Intermetallic compounds offer a versatile platform for designing advanced catalysts.
  • Their application can lead to improved efficiency and selectivity in various catalytic processes.
  • They present viable solutions for challenges related to sustainable energy technologies.

Conclusions:

  • Intermetallic compounds are highly promising materials for heterogeneous catalysis.
  • They are poised to play a crucial role in advancing catalytic science and technology, especially for the energy transition.