4.7 Article

Photocatalytic degradation of methyl orange by BiOI/Bi4O5I2 microspheres under visible light irradiation

Journal

INORGANIC CHEMISTRY COMMUNICATIONS
Volume 93, Issue -, Pages 65-68

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2018.05.009

Keywords

BiOI/Bi4O5I2; Photocatalysis; Visible light; Methyl orange

Funding

  1. Natural Science Foundation of China [21706295]
  2. Natural Science Foundation of Guangdong Province [2017A030313055]
  3. Young Teachers' Scientific Research and Cultivation Fund of South China Normal University [17KJ19]
  4. Middle School Student Talent Plan

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BiOI/Bi4O5I2 composites were synthesized by calcinations with BiOI microspheres at 400 degrees C. The BiOI/Bi4O5I2 composites demonstrate 5 times higher photocatalytic activity than the pristine BiOI for methyl orange (MO) degradation under the irradiation of visible light. Moreover, the BiOI/Bi4O5I2 composites have superior cycling stability. Such enhanced photoactivity is due to the significantly enhanced separation efficiency of photo-generated.

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