Abstract
An approach is formulated that theoretically describes the structure of a rough surface of small aerosol particles obtained from a liquid droplet upon its rapid cooling. The problem consists of two stages. In the first stage, a concentration profile of the droplet–vapor transition region is calculated. In the second stage, local fractions of vacant sites and their pairs are found on the basis of this profile, and the rough structure of a frozen droplet surface transitioning to the solid state is calculated. Model parameters are the temperature of the initial droplet and those of the lateral interaction between droplet atoms. Information on vacant sites inside the region of transition allows us to identify adsorption centers and estimate the monolayer capacity, compared to that of the total space of the region of transition. The approach is oriented toward calculating adsorption isotherms on real surfaces.
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Tovbin, Y.K., Zaitseva, E.S. & Rabinovich, A.B. Simulating the Surface Relief of Nanoaerosols Obtained via the Rapid Cooling of Droplets. Russ. J. Phys. Chem. 92, 587–596 (2018). https://doi.org/10.1134/S0036024418030317
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DOI: https://doi.org/10.1134/S0036024418030317