EleyRidealtyp
EleyRidealtyp is a term used in surface chemistry and catalysis to denote reactions that follow the Eley–Rideal mechanism. In this mechanism, a gas-phase reactant collides with a chemisorbed species on a solid surface and reacts to form products that desorb, without the gas-phase reactant first binding to the surface. This contrasts with Langmuir–Hinshelwood-type processes, where both reactants are adsorbed, diffuse on the surface, and then react.
Within an EleyRideal type step, the reaction rate is often described as proportional to the flux of
Historical context and scope: the mechanism was proposed by D. Eley and W. Rideal in 1938 to
See also: Eley–Rideal mechanism; Langmuir–Hinshelwood mechanism; heterogeneous catalysis.