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Abstract

Photocatalytic degradation of Victoria Blue-B Dye using ZnS and ZnS/Fe2O3 composite nanoparticles under visible radiation

ZnS, Fe2O3 and ZnS/ Fe2O3 nanoparticles were prepared by Chemical and sol gel method under optimal conditions and characterized using XRD, TEM and UV-Visible spectroscopic techniques. As-synthesized nanomaterials were used as a photocatalysts for the degradation of Victoria Blue-B dye. Effects of photo-catalyst load and substrate initial concentration on degradation of the dye in aqueous solution have been investigated. Maximum degradation (97.2 %) of Victoria Blue-B was observed using catalyst load (Fe2O3) : 1.0g/250ml of 25 mgL-1. Photocatalytic degradation of the dye follows pseudo first order kinetics. Using Victoria Blue-B initial concentration, 100mg/lit., the dye degradation rate constant under visible radiation and photocatalyst load, was 5.33 x 10-3 min-1.


Author(s): Mamta Yadav, S. Ali and O. P. Yadav

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Abstracted/Indexed in
  • Chemical Abstracts Service (CAS)
  • Open J Gate
  • Genamics JournalSeek
  • China National Knowledge Infrastructure (CNKI)
  • Directory of Research Journal Indexing (DRJI)
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  • International Committee of Medical Journal Editors (ICMJE)
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