A closer look at an aggregation model of the Stöber process

A closer look at an aggregation model of the Stöber process

Using experimentally measured nucleation and ionic strength transients, we confirm that an aggregation model can predict the particle growth profiles of Stöber systems for a range of conditions. In addition, we examine the characteristics of the evolving size distribution. Systems giving the largest...

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Bibliographic Details
Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Vol. 144; no. 1; pp. 115 - 125
Main Authors: Lee, Kangtaek, Sathyagal, Arun N., McCormick, Alon V.
Format: Journal Article
Language:English
Published: Elsevier B.V 20-12-1998
Subjects:
Aggregation
Colloids
Nucleation
Population balance equations
Stöber process
Aggregation
Nucleation
Population balance equations
Colloids
Stöber process
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Summary:Using experimentally measured nucleation and ionic strength transients, we confirm that an aggregation model can predict the particle growth profiles of Stöber systems for a range of conditions. In addition, we examine the characteristics of the evolving size distribution. Systems giving the largest particles are characterized, after a short transient, by a size distribution wherein the dominant aggregation event is between the freshly generated nucleus and a large aggregate.
ISSN:0927-7757
1873-4359
DOI:10.1016/S0927-7757(98)00566-4