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    Title: Diffusiophoresis of Polyelectrolytes: Effects of Temperature, pH, Type of Ionic Species and Bulk Concentration
    Authors: Tseng, Shiojenn.;Y. R. Hsu;J. P. Hsu
    Keywords: Diffusiophoresis;pH-regulated polyelectrolytes;Effect of temperature
    Date: 2015-12
    Issue Date: 2017-01-06 02:10:25 (UTC+8)
    Abstract: Extending previous analyses on rigid particles to non-rigid ones, we model the diffusiophoresis of a pH-regulated polyelectrolyte (PE) in a solution containing multiple ionic species. For the first time, the effects of temperature, pH, type of ionic species and bulk concentration are taken into account, and therefore, the conditions considered are more comprehensive and closer to reality than those of the available results in the literature. Numerical simulation is conducted to examine the diffusiophoretic behaviors of a PE under various conditions, and empirical relationships are developed for the dependence of its mobility on the factors mentioned above. We show that temperature and pH influence appreciably the charged conditions of a PE, the ionic diffusivities, and the fluid viscosity, yielding complicated and interesting behaviors that are informative to device design.
    Relation: Journal of Colloid and Interface Science 459, pp.167-174
    DOI: 10.1016/j.jcis.2015.08.014
    Appears in Collections:[數學學系暨研究所] 期刊論文

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