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Dissociative adsorption, the Glossary

Index Dissociative adsorption

Dissociative adsorption is a process in which a molecule adsorbs onto a surface and simultaneously dissociates into two or more fragments.[1]

Table of Contents

  1. 42 relations: Adsorption, Auger electron spectroscopy, Carbon monoxide, Catalysis, Catalytic converter, Chemical kinetics, Chemisorption, Covalent bond, Density functional theory, Desorption, Gold, Hartree–Fock method, Heterogeneous catalysis, Heterolysis (chemistry), Homolysis (chemistry), Hydrogen, Hydrogen bond, Hydrogen purification, Hydroxy group, Internal combustion engine, Ionic bonding, Kinetic Monte Carlo, Langmuir adsorption model, Low-energy electron diffraction, Metallic bonding, Molecular orbital theory, Nickel, Oxygen, Platinum, Potential energy surface, Proton-exchange membrane fuel cell, Redox, Rhodium, Silver, Steam reforming, Sticking coefficient, Temperature, Thermal desorption spectroscopy, Transition metal, Water, Work function, X-ray photoelectron spectroscopy.

  2. Chemical physics

Adsorption

Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface. Dissociative adsorption and Adsorption are catalysis and surface science.

See Dissociative adsorption and Adsorption

Auger electron spectroscopy

Hanford scientist uses an Auger electron spectrometer to determine the elemental composition of surfaces. Auger electron spectroscopy (AES; pronounced in French) is a common analytical technique used specifically in the study of surfaces and, more generally, in the area of materials science. Dissociative adsorption and Auger electron spectroscopy are surface science.

See Dissociative adsorption and Auger electron spectroscopy

Carbon monoxide

Carbon monoxide (chemical formula CO) is a poisonous, flammable gas that is colorless, odorless, tasteless, and slightly less dense than air.

See Dissociative adsorption and Carbon monoxide

Catalysis

Catalysis is the increase in rate of a chemical reaction due to an added substance known as a catalyst.

See Dissociative adsorption and Catalysis

Catalytic converter

A catalytic converter is an exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction. Dissociative adsorption and catalytic converter are catalysis.

See Dissociative adsorption and Catalytic converter

Chemical kinetics

Chemical kinetics, also known as reaction kinetics, is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions. Dissociative adsorption and chemical kinetics are physical chemistry.

See Dissociative adsorption and Chemical kinetics

Chemisorption

Chemisorption is a kind of adsorption which involves a chemical reaction between the surface and the adsorbate. Dissociative adsorption and Chemisorption are catalysis and physical chemistry.

See Dissociative adsorption and Chemisorption

Covalent bond

A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs between atoms.

See Dissociative adsorption and Covalent bond

Density functional theory

Density functional theory (DFT) is a computational quantum mechanical modelling method used in physics, chemistry and materials science to investigate the electronic structure (or nuclear structure) (principally the ground state) of many-body systems, in particular atoms, molecules, and the condensed phases.

See Dissociative adsorption and Density functional theory

Desorption

Desorption is the physical process where adsorbed atoms or molecules are released from a surface into the surrounding vacuum or fluid. Dissociative adsorption and Desorption are surface science.

See Dissociative adsorption and Desorption

Gold

Gold is a chemical element; it has symbol Au (from the Latin word aurum) and atomic number 79.

See Dissociative adsorption and Gold

Hartree–Fock method

In computational physics and chemistry, the Hartree–Fock (HF) method is a method of approximation for the determination of the wave function and the energy of a quantum many-body system in a stationary state.

See Dissociative adsorption and Hartree–Fock method

Heterogeneous catalysis

Heterogeneous catalysis is catalysis where the phase of catalysts differs from that of the reagents or products. Dissociative adsorption and Heterogeneous catalysis are catalysis.

See Dissociative adsorption and Heterogeneous catalysis

Heterolysis (chemistry)

In chemistry, heterolysis or heterolytic fission is the process of cleaving/breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species.

See Dissociative adsorption and Heterolysis (chemistry)

Homolysis (chemistry)

In chemistry, homolysis or homolytic fission is the dissociation of a molecular bond by a process where each of the fragments (an atom or molecule) retains one of the originally bonded electrons.

See Dissociative adsorption and Homolysis (chemistry)

Hydrogen

Hydrogen is a chemical element; it has symbol H and atomic number 1.

See Dissociative adsorption and Hydrogen

Hydrogen bond

In chemistry, a hydrogen bond (or H-bond) is primarily an electrostatic force of attraction between a hydrogen (H) atom which is covalently bonded to a more electronegative "donor" atom or group (Dn), and another electronegative atom bearing a lone pair of electrons—the hydrogen bond acceptor (Ac).

See Dissociative adsorption and Hydrogen bond

Hydrogen purification

Hydrogen purification is any technology used to purify hydrogen.

See Dissociative adsorption and Hydrogen purification

Hydroxy group

In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula and composed of one oxygen atom covalently bonded to one hydrogen atom.

See Dissociative adsorption and Hydroxy group

Internal combustion engine

An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

See Dissociative adsorption and Internal combustion engine

Ionic bonding

Ionic bonding is a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, or between two atoms with sharply different electronegativities, and is the primary interaction occurring in ionic compounds.

See Dissociative adsorption and Ionic bonding

Kinetic Monte Carlo

The kinetic Monte Carlo (KMC) method is a Monte Carlo method computer simulation intended to simulate the time evolution of some processes occurring in nature.

See Dissociative adsorption and Kinetic Monte Carlo

Langmuir adsorption model

The Langmuir adsorption model explains adsorption by assuming an adsorbate behaves as an ideal gas at isothermal conditions. Dissociative adsorption and Langmuir adsorption model are surface science.

See Dissociative adsorption and Langmuir adsorption model

Low-energy electron diffraction

Low-energy electron diffraction (LEED) is a technique for the determination of the surface structure of single-crystalline materials by bombardment with a collimated beam of low-energy electrons (30–200 eV) and observation of diffracted electrons as spots on a fluorescent screen.

See Dissociative adsorption and Low-energy electron diffraction

Metallic bonding is a type of chemical bonding that arises from the electrostatic attractive force between conduction electrons (in the form of an electron cloud of delocalized electrons) and positively charged metal ions.

See Dissociative adsorption and Metallic bonding

Molecular orbital theory

In chemistry, molecular orbital theory (MO theory or MOT) is a method for describing the electronic structure of molecules using quantum mechanics.

See Dissociative adsorption and Molecular orbital theory

Nickel

Nickel is a chemical element; it has symbol Ni and atomic number 28.

See Dissociative adsorption and Nickel

Oxygen

Oxygen is a chemical element; it has symbol O and atomic number 8.

See Dissociative adsorption and Oxygen

Platinum

Platinum is a chemical element; it has symbol Pt and atomic number 78.

See Dissociative adsorption and Platinum

Potential energy surface

A potential energy surface (PES) or energy landscape describes the energy of a system, especially a collection of atoms, in terms of certain parameters, normally the positions of the atoms.

See Dissociative adsorption and Potential energy surface

Proton-exchange membrane fuel cell

Proton-exchange membrane fuel cells (PEMFC), also known as polymer electrolyte membrane (PEM) fuel cells, are a type of fuel cell being developed mainly for transport applications, as well as for stationary fuel-cell applications and portable fuel-cell applications.

See Dissociative adsorption and Proton-exchange membrane fuel cell

Redox

Redox (reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states of the reactants change.

See Dissociative adsorption and Redox

Rhodium

Rhodium is a chemical element; it has symbol Rh and atomic number 45.

See Dissociative adsorption and Rhodium

Silver

Silver is a chemical element; it has symbol Ag (derived from Proto-Indo-European ''*h₂erǵ'')) and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The metal is found in the Earth's crust in the pure, free elemental form ("native silver"), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite.

See Dissociative adsorption and Silver

Steam reforming

Steam reforming or steam methane reforming (SMR) is a method for producing syngas (hydrogen and carbon monoxide) by reaction of hydrocarbons with water. Dissociative adsorption and steam reforming are catalysis.

See Dissociative adsorption and Steam reforming

Sticking coefficient

Sticking coefficient is the term used in surface physics to describe the ratio of the number of adsorbate atoms (or molecules) that adsorb, or "stick", to a surface to the total number of atoms that impinge upon that surface during the same period of time. Dissociative adsorption and Sticking coefficient are surface science.

See Dissociative adsorption and Sticking coefficient

Temperature

Temperature is a physical quantity that quantitatively expresses the attribute of hotness or coldness.

See Dissociative adsorption and Temperature

Thermal desorption spectroscopy

Temperature programmed desorption (TPD) is the method of observing desorbed molecules from a surface when the surface temperature is increased. Dissociative adsorption and Thermal desorption spectroscopy are surface science.

See Dissociative adsorption and Thermal desorption spectroscopy

In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though the elements of group 12 (and less often group 3) are sometimes excluded.

See Dissociative adsorption and Transition metal

Water

Water is an inorganic compound with the chemical formula.

See Dissociative adsorption and Water

Work function

In solid-state physics, the work function (sometimes spelled workfunction) is the minimum thermodynamic work (i.e., energy) needed to remove an electron from a solid to a point in the vacuum immediately outside the solid surface.

See Dissociative adsorption and Work function

X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy (XPS) is a surface-sensitive quantitative spectroscopic technique that measures the very topmost 200 atoms, 0.01 um, 10 nm of any surface. Dissociative adsorption and x-ray photoelectron spectroscopy are surface science.

See Dissociative adsorption and X-ray photoelectron spectroscopy

See also

Chemical physics

References

[1] https://en.wikipedia.org/wiki/Dissociative_adsorption