Enhanced photocatalytic activity of ZnO/CuO nanocomposite for the degradation of textile dye on visible light illumination

  • R. Saravanan
  • , S. Karthikeyan
  • , V. K. Gupta
  • , G. Sekaran
  • , V. Narayanan
  • , A. Stephen*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1021 Scopus citations

Abstract

The photocatalytic degradation of organic dyes such as methylene blue and methyl orange in the presence of various percentages of composite catalyst under visible light irradiation was carried out. The catalyst ZnO nanorods and ZnO/CuO nanocomposites of different weight ratios were prepared by new thermal decomposition method, which is simple and cost effective. The prepared catalysts were characterized by different techniques such as X-ray diffraction, transmission electron microscopy, field emission scanning electron microscopy, Fourier transform infrared spectroscopy and UV-visible absorption spectroscopy. Further, the most photocatalytically active composite material was used for degradation of real textile waste water under visible light illumination. The irradiated samples were analysed by total organic carbon and chemical oxygen demand. The efficiency of the catalyst and their photocatalytic mechanism has been discussed in detail.

Original languageEnglish
Pages (from-to)91-98
Number of pages8
JournalMaterials Science and Engineering C
Volume33
Issue number1
DOIs
StatePublished - 1 Jan 2013
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation

Keywords

  • Nano composite
  • Photocatalytic activity
  • Textile dye
  • Thermal decomposition method
  • ZnO/CuO

ASJC Scopus subject areas

  • General Medicine

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