Articles | Volume 24, issue 6
https://doi.org/10.5194/acp-24-3445-2024
https://doi.org/10.5194/acp-24-3445-2024
Research article
 | 
20 Mar 2024
Research article |  | 20 Mar 2024

Desorption lifetimes and activation energies influencing gas–surface interactions and multiphase chemical kinetics

Daniel A. Knopf, Markus Ammann, Thomas Berkemeier, Ulrich Pöschl, and Manabu Shiraiwa

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Latest update: 13 Dec 2024
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Short summary
The initial step of interfacial and multiphase chemical processes involves adsorption and desorption of gas species. This study demonstrates the role of desorption energy governing the residence time of the gas species at the environmental interface. A parameterization is formulated that enables the prediction of desorption energy based on the molecular weight, polarizability, and oxygen-to-carbon ratio of the desorbing chemical species. Its application to gas–particle interactions is discussed.
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