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Dynamics of ion desorption from the liquid—vapor interface of water

✍ Scribed by Karl J. Schweighofer; Ilan Benjamin

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
453 KB
Volume
202
Category
Article
ISSN
0009-2614

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✦ Synopsis

The dynamics of desorption of a small ion from the liquid-vapor interface of water is calculated using molecular dynamics trajectories and compared with several theoretical models which are based on a one-dimensional diffusion on the potential of mean force. The diffusion model is in reasonable agreement with the trajectory calculations if the exact (molecularly derived) potential of mean force is used. In contrast, the use of an approximate electrostatic model for the potential of mean force underestimates the desorption rate.

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