A closer look at an aggregation model of the Stober process

Kangtaek Lee, Arun N. Sathyagal, Alon V. McCormick

Research output: Contribution to journalArticlepeer-review

89 Scopus citations

Abstract

Using experimentally measured nucleation and ionic strength transients, we confirm that an aggregation model can predict the particle growth profiles of Stober 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. Copyright (C) 1998 Elsevier Science B.V.

Original languageEnglish (US)
Pages (from-to)115-125
Number of pages11
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume144
Issue number1-3
DOIs
StatePublished - Dec 20 1998

Bibliographical note

Funding Information:
We acknowledge the support of the National Science Foundation (CTS-89 10423), the Center for Interfacial Engineering at the University of Minnesota, and the Minnesota Supercomputer Institute.

Keywords

  • Aggregation
  • Colloids
  • Nucleation
  • Population balance equations
  • Stober process

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