Diffusiophoresis and electrophoresis of a charged sphere perpendicular to two plane walls

Journal of Colloid and Interface Science
Yu C Chang, Huan J Keh

Abstract

The problem of diffusiophoretic and electrophoretic motions of a dielectric spherical particle in an electrolyte solution situated at an arbitrary position between two infinite parallel plane walls is studied theoretically in the quasisteady limit of negligible Peclet and Reynolds numbers. The applied electrolyte concentration gradient or electric field is uniform and perpendicular to the plane walls. The electric double layer at the particle surface is assumed to be thin relative to the particle radius and to the particle-wall gap widths, but the polarization effect of the diffuse ions in the double layer is incorporated. To solve the conservative equations, the general solution is constructed from the fundamental solutions in both cylindrical and spherical coordinates. The boundary conditions are enforced first at the plane walls by the Hankel transforms and then on the particle surface by a collocation technique. Numerical results for the diffusiophoretic and electrophoretic velocities of the particle relative to those of a particle under identical conditions in an unbounded solution are presented for various cases. The collocation results agree well with the approximate analytical solutions obtained by using a method of ref...Continue Reading

References

Apr 20, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Hui LiuHoward H Hu
May 18, 2005·Journal of Colloid and Interface Science·Po Y Chen, Huan J Keh
Feb 17, 2007·Electrophoresis·Harikrishnan N UnniChun Yang
Aug 3, 2007·Journal of Colloid and Interface Science·Tzu H Hsieh, Huan J Keh

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Citations

Dec 3, 2014·Journal of Colloid and Interface Science·Shiojenn TsengJyh-Ping Hsu
Feb 2, 2011·The Journal of Chemical Physics·Tzu H Hsieh, Huan J Keh
Feb 1, 2011·Journal of Colloid and Interface Science·Sang W Joo, Shizhi Qian
Nov 26, 2009·Journal of Colloid and Interface Science·Jyh-Ping HsuShiojenn Tseng
Oct 12, 2010·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Sang W JooShizhi Qian
Jan 13, 2015·The Journal of Physical Chemistry. B·Hsin Y Huang, Huan J Keh
Aug 1, 2013·The Journal of Physical Chemistry. B·Wei J Chen, Huan J Keh
Apr 20, 2017·Electrophoresis·Han C Chiu, Huan J Keh
Apr 16, 2016·Physical Review Letters·Alois Würger
Jan 7, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Jyh-Ping HsuZheng-Syun Chen
Jun 19, 2009·The Journal of Physical Chemistry. B·Xiaogang ZhangShiojenn Tseng
Apr 30, 2010·The Journal of Physical Chemistry. B·Sang Yoon LeeShizhi Qian
Mar 4, 2010·The Journal of Physical Chemistry. B·Sinan E YalcinShizhi Qian
Feb 11, 2010·The Journal of Physical Chemistry. B·Jyh-Ping HsuShiojenn Tseng
Feb 27, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Jyh-Ping HsuKuan-Liang Liu
Jun 4, 2010·The Journal of Physical Chemistry. B·Jyh-Ping HsuWei-Lun Hsu
Oct 4, 2018·The Journal of Physical Chemistry. B·Ya C Chiu, Huan J Keh

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