Interfacial colloidal particles: an electrostatic trapping mechanism
- 1 October 1986
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 19 (10) , 1863-1868
- https://doi.org/10.1088/0022-3727/19/10/010
Abstract
An electrostatic process tending to trap colloidal particles at an air-water interface is discussed. The displacement of the ion cloud surrounding a highly charged colloidal particle in water into one hemisphere as the particle approaches the interface is energetically favoured. The effects may compete with or exceed previously proposed capillary trapping mechanisms.Keywords
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