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Visible Light Induced Photocatalytic Degradation of some Textile Dyes Using Silver Nano Particles

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Author Affiliations

  • 1Department of physical Chemistry, University of Madras, Chennai – 600 005, Tamil Nadu, INDIA
  • 2 Department of chemistry, GKM college of engineering and Technology, Chennai-600 063, INDIA

Res.J.chem.sci., Volume 2, Issue (4), Pages 64-67, April,18 (2012)

Abstract

The preparation of stable, uniform sliver nano particles by reduction of silver ions by polyvinyl alcohol is reported in the present paper. The samples have been characterized by SEM(scanning electron microscopy) which reveal the size of the nano particles as 50-100nm. These studies infer that the particles are spherical in shape. The UV-Vis spectra show that an absorption peak, occurring due to Surface Plasmon Resonance (SPR), exists at 420.226nm. Silver nano particles were prepared. Silver nano particles are used as a catalyst for the photocatalytic degradation of acid green 3GM and Blue ffs acid in the presence of H2O2. The kinetic study reveals that the photo catalytic degradation process is faster in the presence of silver nano particles/H2O2.

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