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:Distribution of colloidal particles in a spherical cavity
學年
學期
出版(發表)日期2005/09/29
作品名稱Distribution of colloidal particles in a spherical cavity
作品名稱(其他語言)
著者Hsu, Jyh-ping; Jiang, J. M.; 曾琇瑱; Tseng, Shio-jenn; Liu, B. T.
單位淡江大學數學學系
出版者American Chemical Society (ACS)
著錄名稱、卷期、頁數Journal of Physical Chemistry B 109(38), pp.18048-18054
摘要The spatial distribution of colloidal particles in a confined space is frequently a key issue to many phenomena of practical significance. This problem is investigated by considering the distribution of colloidal particles in a spherical cavity under the conditions of relatively large cavities, low cavity and colloidal particles potentials, and low monovalent electrolyte and colloidal concentrations. The analytical expression for the particle−cavity pair interaction energy is derived under various surface conditions. The results obtained are used to evaluate the direct correlation functions in the hypernetted chain approximation employed for the resolution of an Ornstein−Zernike equation. For a fixed particle number concentration at the center of a cavity, we make the following conclusions:  (i) the spatial distribution of particles increases in an oscillatory manner with the distance away from the cavity surface, (ii) increasing the particle−cavity pair interaction energy has the effect of reducing the free space of particles inside a cavity, and (iii) the greater the pair interaction energy between two particles, the higher the average concentration of particles.
關鍵字
語言英文
ISSN1520-6106
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國別中華民國
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