Formation mechanism of silica particle using water glass as a starting material

Abstract

Silica particles are well known to be synthesized by a neutralization reaction method, using HCl and water glass as starting materials. The merit of this method is able to produce conventionally the fine silica particles without high temperature or production of harmful organic vapors, etc., as is distinct from melting method, sol-gel method, etc. Present study was investigated on the formation mechanism of colloidal silica in order to obtain fine particles of optically pure silica for a phosphor matrix.