ABSTRACT
In recent years, considerable attention has been paid to nano and micro meter sized hollow spheres due to their fascinating applications in many fields such as catalysis, chromatography, protection of biologically active agents, fillers (pigments, coatings), waste removal, and large biomolecular-release systems [1, 2]. Therefore, a great number of hollow spheres have been prepared, such as sulfide, oxide, polymers, metals and so on [3-5]. The fabrication of monodisperse hollow spheres with controllable size and shape became one of the fastest growing areas in material research field.
