论文标题
电解质解决方案中的球形pH响应性聚电解质刷的电力双层：强大的拉伸理论占用排除体积相互作用和质量行动定律
Electric double layer of spherical pH-responsive polyelectrolyte brushes in an electrolyte solution: a strong stretching theory accounting for excluded volume interaction and mass action law
论文作者
论文摘要
在本文中，我们通过使用强大的拉伸理论研究了pH响应性聚电解质植血的球形颗粒的静电，该理论考虑了排除的体积相互作用和聚电解质分子上的可移动位点的密度。 基于自由能形式主义，我们获得了自洽场方程，以确定球形聚电解质刷的结构和静电。 首先，我们发现内核的半径越小，聚电解质刷的高度越长。然后，我们还证明，排除体积相互作用的增加会导致聚电解质刷高度的肿胀。此外，我们证明了pH，块离子浓度和相邻聚电解质链之间的横向分离对球形聚电解质刷的静电性能之间的影响如何受内核的半径，排除的体积相互作用和充电位点密度的影响。
In this paper, we study the electrostatics of pH-responsive polyelectrolyte-grafted spherical particles by using a strong stretching theory that takes into account the excluded volume interaction and the density of chargeable sites on the polyelectrolyte molecules. Based on the free energy formalism, we obtain self-consistent field equations for determining the structure and electrostatics of spherical polyelectrolyte brushes. First, we find that the smaller the radius of the inner core, the longer the height of the polyelectrolyte brush. Then, we also prove that an increase in excluded volume interaction yields an swelling of the polyelectrolyte brush height. In addition, we demonstrate how the effect of pH, bulk ionic concentration, and lateral separation between adjacent polyelectrolyte chains on the electrostatic properties of a spherical polyelectrolyte brush is affected by the radius of inner core, the excluded volume interaction and the chargeable site density.
