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Synthesis and Characterisation of ZnS-PVA and ZnS-PVAc Nanofibers with Potential Application in Wastewater Treatment

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Author Affiliations

  • 1Department of Chemistry, Umaru Musa Yar’adua University, Katsina, Katsina State, Nigeria
  • 2Department of Chemistry, Umaru Musa Yar’adua University, Katsina, Katsina State, Nigeria
  • 3Department of Chemical Sciences, Federal University Wukari, Taraba State, Nigeria

Res.J.chem.sci., Volume 14, Issue (1), Pages 8-15, February,18 (2024)

Abstract

ZnS nanoparticles were synthesised from pyrolysis of two different ligands of dithiocarbamate at a temperature of 350 ºC. The as-prepared nanoparticles were electro-spun with two different polymer matrices of polyvinyl alcohol (PVA) and polyvinyl acetate (PVAc) to form nanocomposites (nanofibers). The nanofibers were used differently as catalyst in the photodegradation of methylene blue dye in aqueous solution. ZnS/PVAc nanofiber was observed to have more catalytic effect on the dye photodegradation than ZnS/PVA nanofiber composite. ZnS nanoparticles were characterized with UV-vis spectroscopy while the electrospun nanofibers were characterized using fouriertansform infrared (FTIR), scanning electron microscope (SEM) and thermogravimetric (TGA) analyses.

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