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Three dimensional BiOX (X=Cl, Br and I) hierarchical architectures: facile ionic liquid-assisted solvothermal synthesis and photocatalysis towards organic dye degradation

Materials Letters, ISSN: 0167-577X, Vol: 100, Page: 285-288
2013
  • 132
    Citations
  • 0
    Usage
  • 60
    Captures
  • 0
    Mentions
  • 5
    Social Media
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Metrics Details

  • Citations
    132
    • Citation Indexes
      132
  • Captures
    60
  • Social Media
    5
    • Shares, Likes & Comments
      5
      • Facebook
        5

Article Description

High-crystalline hierarchical BiOX (X=Cl, Br and I) microspheres were prepared by a generalized ionic liquid-assisted solvothermal method. The as-prepared BiOX (X=Cl, Br and I) microspheres were uniform in size and the average diameters ranged from one to several micrometers, which were assembled by numerous interlaced nanosheets. According to the UV–Vis diffuse reflectance spectra, the band gaps were calculated to be 3.20, 2.72 and 1.76 eV for the BiOCl, BiOBr and BiOI samples, respectively. Evaluated by the decomposition of methyl orange (MO) solution, the BiOI product exhibited much better photocatalytic efficiency to BiOCl and BiOBr samples, which could respond to more visible light as well as facilitate the spatial transfer of the photoexcited carriers.

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