Poisson-Boltzmann approach for sterically asymmetric electrolytes (CROSBI ID 593088)
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Podaci o odgovornosti
Popović, Marko ; Šiber, Antonio
engleski
Poisson-Boltzmann approach for sterically asymmetric electrolytes
We derive a modification of the Poisson-Boltzmann equation considering steric effects of different size ions. Our equation represents a generalization of previous work for equal size ions [I. Borukhov, D. Andelman and H. Orland, Phys. Rev. Lett. 79, 435 (1997)] and allows more general calculations. We show that proposed modification predicts asymmetry of the double-layer differential capacitance. Our derivation provides analytical framework for previously proposed heuristic modification of the Poisson-Boltzmann equation, which also predicts the same effect [A.A. Kornyshev, J. Phys. Chem. B 111, 5545 (2007)].
poisson-boltzmann; electrostatics; ions
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Podaci o prilogu
6-6.
2012.
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objavljeno
Podaci o matičnoj publikaciji
7th Christmas Biophysics Workshop : Book of Abstracts
Pabst, Georg ; Heftberger, Peter ; Kollmitzer, Benjamin
Graz:
Podaci o skupu
7th Christmas Biophysics Workshop (XBW 2012)
predavanje
17.12.2012-18.12.2012
Riegersburg, austrija