Diffusiophoretic velocity of a spherical soft particle

被引：11
|
作者：
Ohshima, Hiroyuki [1 ]
机构：
[1] Tokyo Univ Sci, Fac Pharmaceut Sci, 2641 Yamazaki Noda, Chiba 2788510, Japan
来源：
COLLOID AND POLYMER SCIENCE | 2022年 / 300卷 / 02期
关键词：
Diffusiophoretic velocity; Diffusiophoresis; Soft particle; ELECTROPHORETIC MOBILITY; RIGID SPHERE; ELECTROLYTE;
D O I：
10.1007/s00396-021-04933-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The general expression is derived for the diffusiophoretic velocity of a spherical soft particle (that is, a spherical hard particle consisting of the particle core covered with an ion-penetrable surface layer of polyelectrolytes) in an electrolyte concentration gradient. For a weakly charged soft particle, the obtained general expression for the diffusiophoretic velocity is shown to reproduce the results derived by Huang and Keh (J Phys Chem B (2012) 116: 7575-7589). A simple approximate analytic expression is obtained for the diffusiophoretic velocity applicable for the case where the particle core radius and the thickness of the polyelectrolyte layer are much larger than the Debye length and the Brinkman screening length.
引用
收藏
页码：153 / 157
页数：5
相关论文
共 50 条
  • [21] A direct Poisson solver in spherical geometry with an application to diffusiophoretic problems
    Lin, Te-Sheng
    Hu, Wei-Fan
    Misbah, Chaouqi
    JOURNAL OF COMPUTATIONAL PHYSICS, 2020, 409
  • [22] Dynamics of a self-diffusiophoretic particle in shear flow
    Frankel, Alexandra E.
    Khair, Aditya S.
    PHYSICAL REVIEW E, 2014, 90 (01):
  • [23] Settling slip velocity of a spherical particle in an unbounded micropolar fluid
    El-Sapa, Shreen
    EUROPEAN PHYSICAL JOURNAL E, 2019, 42 (03):
  • [24] AN EXPLICIT RELATIONSHIP TO PREDICT SPHERICAL-PARTICLE TERMINAL VELOCITY
    TURTON, R
    CLARK, NN
    POWDER TECHNOLOGY, 1987, 53 (02) : 127 - 129
  • [25] Settling slip velocity of a spherical particle in an unbounded micropolar fluid
    Shreen El-Sapa
    The European Physical Journal E, 2019, 42
  • [26] Diffusiophoresis of a soft spherical particle along the axis of a cylindrical microchannel
    Hsu, Wei-Lun
    Hsu, Jyh-Ping
    Tseng, Shiojenn
    CHEMICAL ENGINEERING SCIENCE, 2011, 66 (10) : 2199 - 2210
  • [27] Light scattering fluctuations of a soft spherical particle containing an inclusion
    Videen, G
    Prabhu, DR
    Davies, M
    González, F
    Moreno, F
    APPLIED OPTICS, 2001, 40 (24) : 4054 - 4057
  • [28] Light scattering fluctuations of a soft spherical particle containing an inclusion
    Videen, Gorden
    Prabhu, Dev R.
    Davies, Melvin
    González, Francisco
    Moreno, Fernando
    Applied Optics, 2001, 40 (24): : 4054 - 4057
  • [29] Electric potential profile of a spherical soft particle with a charged core
    Phan, Anh D.
    Tracy, Dustin A.
    Nguyen, T. L. Hoai
    Viet, N. A.
    The-Long Phan
    Nguyen, Thanh H.
    JOURNAL OF CHEMICAL PHYSICS, 2013, 139 (24):
  • [30] Ion size effect on the diffusiophoretic mobility of a large colloidal particle
    Hiroyuki Ohshima
    Colloid and Polymer Science, 2022, 300 : 1229 - 1234
12345