The effect of nanoparticle growth on rheological properties of silica and silicate dispersions

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10 Citations (Scopus)


CdS and ZnS nanoparticles were prepared in the solid-liquid interfacial adsorption layer as a nanophase reactor. The substrates were hydrophilic and hydrophobic aerosils and hydrophilic layer silicates dispersed in ethanol-cyclohexane mixtures. The growth of particles at various surface concentration of precursor ions was monitored by absorption spectroscopy, band-gap-energy measurements and particle diameter measurements. Also, the rheological properties of nanoparticle-support composites in organic and aqueous dispersions were measured. The energy of separation between the nanoparticles depended on the particle diameter. The intercalation of nanoparticles in the layered silicates yielded a nanostructured two-phase system. The presence of semiconductive subcolloids was proven by transmission electron microscopy measurements, which offer an excellent possibility for the determination of the particle size distribution.

Original languageEnglish
Pages (from-to)211-219
Number of pages9
JournalColloid and Polymer Science
Issue number3
Publication statusPublished - Jan 1 2000


  • Aerosils
  • CdS
  • Nanoparticles
  • Nanophase reactors
  • ZnS

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Colloid and Surface Chemistry
  • Materials Chemistry

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