Formation of fiber-like amorphous silica structures by externally applied shear

S V Patwardhan, N Mukherjee, S J Clarson

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

The structure of amorphous silica determines its properties and governs its applications. Here we report the synthesis of elongated silica chains/rods on the nanometer size scale formed by the orientation of a growing silica sol. We have utilized a cationically charged synthetic organic polymer as a catalyst/template and perturbed the system by externally applied shear. It is proposed that the polymer orientation plays an important role in the formation of such morphologies.

Original languageEnglish
Pages (from-to)117-121
Number of pages5
JournalJournal of Inorganic and Organometallic Polymers
Volume11
Issue number2
DOIs
Publication statusPublished - Jun 2001

Keywords

  • silica
  • sol-gel
  • elongated morphology
  • polyallylamine hydrochloride (PAH)
  • tetramethoxysilane (TMOS)
  • externally applied shear

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