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    题名: Diffusiophoresis of a Sphere along the Axis of a Cylindrical Pore
    作者: Hsu, Jyh-Ping;Hsu, Wei-Lun;Ku, Ming-Hong;Chen, Zheng-Syun;Tseng, Shiojenn
    贡献者: 淡江大學數學學系
    关键词: Diffusiophoresis;Boundary effect;Sphere in cylindrical pore;Double-layer polarization
    日期: 2010-02-15
    上传时间: 2011-10-01 21:05:29 (UTC+8)
    出版者: Maryland Heights: Academic Press
    摘要: The diffusiophoresis of a charged spherical particle along the axis of an uncharged cylindrical pore filled with an electrolyte solution is analyzed theoretically. The influence of chemiphoresis, which includes two types of double-layer polarization, and that of electrophoresis arising from the difference in the diffusivities of the ionic species on the diffusiophoretic behavior of the particle are discussed. We have underlined the important difference between two cases: the first is a possibility for a particle to migrate to the low concentration side at low surface potentials (∼25 mV) along the axis of a cylindrical pore, while the second is that this migration occurs at high surface potentials (∼150 mV) in the case of a sphere in a spherical cavity.
    關聯: Journal of Colloid and Interface Science 342(2), pp.598-606
    DOI: 10.1016/j.jcis.2009.10.043
    显示于类别:[數學學系暨研究所] 期刊論文


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