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Equilibrium fluctuations in the theory of surface processes on microparticles

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Abstract

The question of the role of equilibrium fluctuations in the adsorption theory and kinetics of surface processes occurring on the particles of the nanometer size range is discussed. Differences are put forward that need to be introduced to the fluctuation theory of surface processes on microparticles and that generalize Hill’s approach to describing the thermodynamic properties of small systems. We show the importance of allowing for the discrete character of adsorption centers on the surfaces and their heterogeneity when describing adsorption isotherms and the rates of adsorption processes.

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Authors and Affiliations

  1. Karpov Research Institute of Physical Chemistry (RF State Research Center), Moscow, 117813, Russia

    Yu. K. Tovbin

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  1. Yu. K. Tovbin
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Correspondence to Yu. K. Tovbin.

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Original Russian Text © Yu.K. Tovbin, 2010, published in Zhurnal Fizicheskoi Khimii, 2010, Vol. 84, No. 11, pp. 2182–2185.

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Tovbin, Y.K. Equilibrium fluctuations in the theory of surface processes on microparticles. Russ. J. Phys. Chem. 84, 1993–1996 (2010). https://doi.org/10.1134/S0036024410110294

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