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desorption
Sign in to saveDesorption is the physical process where adsorbed atoms or molecules are released from a surface into the surrounding vacuum or fluid. This occurs when a molecule gains enough energy to overcome the activation barrier and the binding energy that keep it attached to the surface.
~15 min read
Article
11 sectionsContents
- Mechanisms
- Thermal desorption
- Reductive or oxidative desorption
- Electron-stimulated desorption
- IR photodesorption
- Phonon activated desorption
- Application
- Temperature programmed desorption (TPD)
- Thermal desorption for removal of pollution
- See also
- References
Desorption is the physical process where adsorbed atoms or molecules are released from a surface into the surrounding vacuum or fluid. This occurs when a molecule gains enough energy to overcome the activation barrier and the binding energy that keep it attached to the surface.
Desorption is the reverse of the process of adsorption, which differs from absorption in that adsorption refers to substances bound to the surface, rather than being absorbed into the bulk.