Year: 2002
Type: article
Abstract: The “polymer reference interaction site model” integral equation formalism is used to determine the pair structure of binary colloidal dispersions involving large and small polyions of opposite charge. Two examples of such bidisperse suspensions are considered in detail, namely mixtures of charged spherical colloids and oppositely charged polyelectrolyte chains, and binary mixtures of oppositely charged large and small clay platelets. In both cases clear evidence is found for aggregation of the larger particles induced by the polyionic counterions, signalled by a strong enhancement of long wavelength concentration fluctuations.
Source: The Journal of Chemical Physics
DOI: 10.1063/1.1471550
Authors: Ludger Harnau, Jean-Pierre Hansen
Language: English
Subfield: Physical and Theoretical Chemistry
Field: Chemistry
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W2014752081