A how-to approach for estimation of surface/Stern potentials considering ionic size and polarization
作者： Xinmin Liu , Feinan Hu , Wuquan Ding , Rui Tian , Rui Li
DOI: 10.1039/C5AN01053E
关键词: Chemical physics 、 Double layer (surface science) 、 Polarization (electrochemistry) 、 Stern 、 Ionic radius 、 DLVO theory 、 Nanotechnology 、 Ionic potential 、 Effective nuclear charge 、 Chemistry 、 Ionic bonding
摘要: Electrostatic potential in the electric double layer is an important parameter that significantly affects a large number of physical, chemical and biological properties processes. In present study, new approach for estimation surface Stern considering ionic volume polarization was developed. Ionic strong diffuse increases its effective charge determines potential, while strongly decreases potential. For example, K+ increased by 0.699 (from 1 to 1.699) resulting from polarization, it decreased 1.359 1.699 0.240) due finite size. The determined about 7 times as high effects on surface/Stern potentials were quantified respectively, former stronger than latter. A theory verified experiments aggregates stability. work also showed only introduction into DLVO can describe interactions colloidal particles.
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C.-Y. Xu, H. Li, F.-N. Hu, S. Li, X.-M. Liu, Y. Li, Non-classical polarization of cations increases the stability of clay aggregates: specific ion effects on the stability of aggregates European Journal of Soil Science. ,vol. 66, pp. 615- 623 ,(2015) , 10.1111/EJSS.12252
Zhao-Yang Tong, Yue-Jin Zhu, Chao-Hui Tong, Self-consistent field theory of adsorption of flexible polyelectrolytes onto an oppositely charged sphere Chinese Physics B. ,vol. 23, pp. 038202- ,(2014) , 10.1088/1674-1056/23/3/038202
B. E. Conway, J. O'M. Bockris, I. A. Ammar, The dielectric constant of the solution in the diffuse and Helmholtz double layers at a charged interface in aqueous solution Transactions of The Faraday Society. ,vol. 47, pp. 756- 766 ,(1951) , 10.1039/TF9514700756
P.H.R. Alijó, F.W. Tavares, E.C. Biscaia Jr., Double layer interaction between charged parallel plates using a modified Poisson–Boltzmann equation to include size effects and ion specificity Colloids and Surfaces A: Physicochemical and Engineering Aspects. ,vol. 412, pp. 29- 35 ,(2012) , 10.1016/J.COLSURFA.2012.07.008
Izabela Dobrzynska, Elzbieta Skrzydlewska, Zbigniew Figaszewski, Parameters characterizing acid–base equilibria between cell membrane and solution and their application to monitoring the effect of various factors on the membrane Bioelectrochemistry. ,vol. 69, pp. 142- 147 ,(2006) , 10.1016/J.BIOELECHEM.2006.01.004
Nikola Kallay, Tajana Preočanin, Trpimir Ivšić, Determination of surface potentials from the electrode potentials of a single-crystal electrode. joint international conference on information sciences. ,vol. 309, pp. 21- 27 ,(2007) , 10.1016/J.JCIS.2006.10.075
G. H. BOLT, Ion Adsorption by Clays Soil Science. ,vol. 79, pp. 267- 276 ,(1955) , 10.1097/00010694-195504000-00004
Jie Hou, Hang Li, Hualin Zhu, Laosheng Wu, Determination of Clay Surface Potential: A More Reliable Approach Soil Science Society of America Journal. ,vol. 73, pp. 1658- 1663 ,(2009) , 10.2136/SSSAJ2008.0017
M. Boström, D. R. M. Williams, B. W. Ninham, Specific Ion Effects: Why DLVO Theory Fails for Biology and Colloid Systems Physical Review Letters. ,vol. 87, pp. 168103- ,(2001) , 10.1103/PHYSREVLETT.87.168103
Feinan Hu, Hang Li, Xinmin Liu, Song Li, Wuquan Ding, Chenyang Xu, Yue Li, Longhui Zhu, Quantitative Characterization of Non-Classic Polarization of Cations on Clay Aggregate Stability PLOS ONE. ,vol. 10, pp. e0122460- ,(2015) , 10.1371/JOURNAL.PONE.0122460