Evaluation of dispersion methods for silica-based composite nanoparticles

Jun Wang, William B. White, James H. Adair

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

A number of separation methods were applied to wash and disperse SiO 2-coated Ag (Ag/SiO 2) nanocomposites in order to establish the best practical protocol for producing stable dispersions. Colloidal stability and degree of aggregation for the resulting nanodispersions were assessed. The results show that high-performance liquid chromatography is an enabling technique for a well-dispersed suspension of Ag/SiO 2 nanocomposite particulates. The nanoparticle dispersion technique is based on a size-exclusion chromatography principle that can be extended to other nanoparticles.

Original languageEnglish (US)
Pages (from-to)2359-2363
Number of pages5
JournalJournal of the American Ceramic Society
Volume89
Issue number7
DOIs
StatePublished - Jul 1 2006

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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