教師資料查詢 | 類別: 期刊論文 | 教師: 曾琇瑱 Tseng Shio-jenn (瀏覽個人網頁)

標題:Electrical potential in a cylindrical double layer: a functional theory approach
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學期
出版(發表)日期2004/05/01
作品名稱Electrical potential in a cylindrical double layer: a functional theory approach
作品名稱(其他語言)
著者曾琇瑱; Tseng, Shio-jenn; Jiang, J. M.; Hsu, Jyh-ping
單位淡江大學數學學系
出版者Elsevier
著錄名稱、卷期、頁數Journal of Colloid and Interface Science 273(1), pp.218-223
摘要Employing an iterative method in functional theory, the electrical potential distribution for the case of a cylindrical surface is solved. Although the analytical result derived is of an iterative nature, the second-order solution is found to be sufficiently accurate under conditions of practical significance. For the case of constant surface potential, the radius and the surface potential of a cylindrical surface can be estimated based on the extreme of the electrical potential distribution. The effects of the key parameters, including the number and the valence of the ions on a surface, the length of a particle, the relative permittivity of the liquid phase, the temperature, and the concentration of electrolyte on the surface potential, are examined. The general behavior of these effects is similar to that for a spherical surface, except that the surface potential of a cylindrical surface is independent of the electrolyte concentration. The present approach is also applicable to the case where a cylindrical surface remains at a constant charge density.
關鍵字Electrical potential;Cylindrical surface;Poisson–Boltzmann equation;Functional theory
語言英文
ISSN0021-9797
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國別中華民國
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