A Novel Method for the Fabrication of Monodisperse Hollow Silica Spheres
Langmuir2006Vol. 22(14), pp. 6403–6407
Citations Over TimeTop 1% of 2006 papers
Abstract
In this paper, we report a novel method for the fabrication of small monodisperse hollow silica spheres. In this approach, when silica shells were coated on polystyrene particles by the sol−gel method, the polystyrene cores were dissolved subsequently, even synchronously, in the same medium to form monodisperse hollow spheres. Neither additional dissolution nor a calcination process was needed to remove the polystyrene cores. Transmission electron microscopy, scanning electron microscopy, and porosity measurements were used to characterize the monodisperse hollow silica spheres.
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