A Method for the Fabrication of Monodisperse Hollow Silica Spheres

Abstract

A novel technique for fabricating hollow silica spheres (see figure) via a one-step process is described. The positively charged template polystyrene particles are “dissolved” subsequently, even synchronously, as the silica layer is formed in the same medium. Hollow silica spheres are formed, and neither additional dissolution nor calcination is needed during the whole process. The scale bar represents 1 μm. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2089/2006/c1528_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.