Abstract
Novel spherical assemblies of ZnSe-containing block copolymer reverse micelles in aqueous solution have been formed by the addition of HSe -solution to mixtures of Zn 2+and the reverse micelles soft template Polyacrylonitrile- block-poly (ethylene glycol)- block-Polyacrylonitrile. The products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and UV-Vis spectrometer. The results of XRD and TEM analyses demonstrated that the products were spherical and homogeneous with cubic structure, which are about 60 nm in diameter. The corresponding UV-Vis absorption peaks showed a blue shift compared to bulk ZnSe. From the position of the absorption edge ( λ e), we calculate an actual ZnSe particle diameter of ~ 5.0 nm. This approach represented a simple method in the synthesis of the polymer micelles shelled with inorganic materials based on using amphiphilic block copolymers. And studies to improve the uniformity of size, shape, and crystal domain will be a focus of future work.
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