10.1186/2193-8865-3-31

Effect of polyvinyl alcohol concentration on the ZnS nanoparticles and wet chemical synthesis of wurtzite ZnS nanoparticles

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  • Abdul Kareem Thottoli*1,
  • Anu Kaliani Achuthanunni1,
  1. PG & Research Department of Physics, Kongunadu Arts and Science College, Coimbatore, Tamilnadu, 641 029, IN
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Published in Issue 09-05-2013

How to Cite

Thottoli, A. K., & Achuthanunni, A. K. (2013). Effect of polyvinyl alcohol concentration on the ZnS nanoparticles and wet chemical synthesis of wurtzite ZnS nanoparticles. Journal of Nanostructure in Chemistry, 3(1 (December 2013). https://doi.org/10.1186/2193-8865-3-31
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Abstract

Abstract ZnS is one of the most important semiconducting materials, and this paper discusses the wet chemical synthesis of ZnS nanoparticles in cubic and hexagonal structures. The effect of polyvinyl alcohol concentration on the ZnS particle formation is studied, and ZnS nanocrystals smaller than the Bohr exciton radius have been prepared using the capping agent polyvinyl alcohol. ZnS nanocrystals of about 1.54 nm have been prepared, and their optical absorption shows interband transitions. It is found that the polyvinyl alcohol concentration has a tremendous effect on the particle growth, since particle sizes were varied with the concentration of polyvinyl alcohol. The important result is that the strain was seen negative due to the contraction of the particles. The important finding of this experiment is that the preparation of the hexagonal ZnS nanoparticles is possible at lower temperature when a particular concentration of trisodium citrate and polyvinyl alcohol is used simultaneously with the ZnS precursors.

Keywords

  • ZnS,
  • Polyvinyl alcohol,
  • Semiconductor
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