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Dynamic Dielectric Response of Concentrated Colloidal Dispersions: Comparison between Theory and Experiment
Univ S Australia, Sch Math and Stat, Mawson Lakes, SA 5082, Australia.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Univ S Australia, Sch Math and Stat, Mawson Lakes, SA 5082, Australia.
2009 (English)In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 25, no 4, 1961-1969 p.Article in journal (Refereed) Published
Abstract [en]

The cell-model electrokinetic theory of Ahualli et al. Langmuir 2006, 22, 704 1; Ahualli et al. J. Colloid Interface Sci. 2007, 309, 342; and Bradshaw-Hajek et al. Langmuir 2008, 24, 4512 is applied to a dense suspension of charged spherical particles, to exhibit the systems dielectric response to an applied electric field as a function of solids volume fraction. The models predictions of effective permittivity and complex conductivity are favorably compared with published theoretical calculations and experimental measurements on dense colloidal systems. Physical factors governing the volume fraction dependence of the dielectric response are discussed.

Place, publisher, year, edition, pages
ACS American Chemical Society , 2009. Vol. 25, no 4, 1961-1969 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-55095DOI: 10.1021/la8028963ISI: 000263373600017OAI: diva2:315341
Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2010-04-29

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Miklavcic, Stanley J
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