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In-situ synthesis of nanofibers with various ratios of BiOCl x /BiOBr y /BiOI z for effective trichloroethylene photocatalytic degradation

  • Yifan Zhang
  • , Mira Park
  • , Hak Yong Kim
  • , Bin Ding
  • , Soo Jin Park
  • Department of Chemistry
  • Inha University
  • Department of Organic Materials and Fiber Engineering
  • Chonbuk National University
  • Department of BIN Convergence Technology
  • College of Textiles
  • Donghua University

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

114 Citations (Scopus)

Résumé

In this work, BiOCl x /BiOBr y /BiOI z (x + y + z = 1) composite nanofibers were prepared through electrospinning and the sol-gel methods. Photocatalytic degradation of trichloroethylene (TCE) by BiOCl x /BiOBr y /BiOI z /PAN nanofibers was systematically investigated via gas chromatography (GC). Optimum photocatalytic activity was achieved with BiOCl 0.3 /BiOBr 0.3 /BiOI 0.4 fibers under solar light irradiation. X-ray photoelectron spectroscopy (XPS) peaks due to C-O and C=O were observed at 286.0 and 288.3 eV, respectively, it indicated that the BiOCl x /BiOBr y /BiOI z mixture had been successfully doped on the polyacrylonitrile (PAN) fibers. Furthermore, X-ray diffraction (XRD) results also confirmed that we had synthesized the as-prepared composite nanofibers successfully. Photocatalytic activities of BiOCl 0.3 /BiOBr 0.3 /BiOI 0.4 were up to 3 times higher than the pure BiOCl, BiOBr and BiOI samples, respectively.

langue originaleAnglais
Pages (de - à)192-199
Nombre de pages8
journalApplied Surface Science
Volume384
Les DOIs
étatPublié - 30 oct. 2016
Modification externeOui

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