Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Photocatalytic Activity of Electrospun PAN/TiO2 Nanofibers in Dye Photodecomposition

  • Ji, Byung Chul (Department of Textile System Engineering, Kyungpook National University) ;
  • Bae, Sang Su (Department of Textile System Engineering, Kyungpook National University) ;
  • Rabbani, Mohammad Mahbub (Department of Bio-fibers and Materials Science, Kyungpook National University) ;
  • Yeum, Jeong Hyun (Department of Bio-fibers and Materials Science, Kyungpook National University)
  • Received : 2013.01.24
  • Accepted : 2013.06.17
  • Published : 2013.06.27
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Abstract

Poly(acrylonitrile) (PAN) nanofibers containing different amounts of titanium dioxide ($TiO_2$) have been prepared by electrospinning technique. Photocatalytic activity of these electrospun PAN/$TiO_2$ nanofibers and the effect of $TiO_2$ content on the photocatalytic efficiency of PAN/$TiO_2$ nanofibers have been evaluated by monitoring the photodecomposition of fluorescein dye, rhodamine B and methylene blue under UV irradiation with respect to irradiation time. Moreover, the effect of hydrogen peroxide ($H_2O_2$) on the photocatalytic behavior of PAN/$TiO_2$ nanofibers has also been investigated. The results showed that PAN/$TiO_2$ nanofibers are effective photocatalyst and their photocatalytic efficiency increases with the increase of $TiO_2$ content in the PAN/$TiO_2$ nanofibers. It is also observed that the presence of $H_2O_2$ significantly enhances the photocatalytic ability of PAN/$TiO_2$ nanofibers. The morphology and the photocatalytic behavior of the PAN/$TiO_2$ nanofibers containing different amounts of $TiO_2$ nanoparticles have been investigated by field-emission scanning electron microscopy (FE-SEM) and UV/Visible spectroscopy, respectively.

Keywords

References

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