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Fig. 12 | Nanoscale Research Letters

Fig. 12

From: Electrokinetic Properties of TiO2 Nanotubular Surfaces

Fig. 12

Zeta potential at x = b (i.e. at the outer Helmhotz plane, see also Fig. 7) as a function of surface charge density of a flat surface (σ) calculated for three values of parameter α + describing the size of cations (larger α + corresponds to larger size of hydrated cation, see also Appendix). The values of other model parameters used in the simulations are: NaCl concentration = 100 mM and α - = 12

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