Synthesis and Characterization of ${\omega}-Sulfonated$ Polystyrene-stabilized Cadmium Sulfide Nanoclusters

  • Jin Yong Hyun (Polymer Hybrids Center, Korea Institute of Science and Technology) ;
  • Kim Jungahn (Polymer Hybrids Center, Korea Institute of Science and Technology) ;
  • Im Seung Soon (Department of Textile Engineering, Hanyang University)
  • Published : 2004.12.01

Abstract

We report an important and useful method for preparing ${\omega}-sulfonated$ polystyrene-stabilized cadmium sulfide (CdS) nanoclusters. The ${\omega}-sulfonated$ polystyrene $(M_n\;=\;5000\;g/mol)$ was prepared successfully through chain-end sulfonation of poly(styryl)lithium using 1,3-propanesultone; the resulting polymer was used successfully as a polymeric stabilizing agent for the preparation of semiconductor CdS nanoclusters by reduction of cadmium acetate in a mixture of toluene and methanol (9:1, v/v). The nanoclusters that formed were characterized by a combination of transmission electron microscopy, X-ray diffraction, and UVN is spectroscopic analysis. The ${\omega}-sulfonated$ polystyrene-stabilized CdS nanoclusters synthesized in this study exhibited the cubic phase (zinc-blende phase) structure in the range of 2-8 nm.

Keywords

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