Hybrids of TiO2 nanobelts modified by graphene: Preparation, characterization, and photocatalytic performance

Photocatalytic composites with high activity have great potential in the purification of dye wastewater

Qin Tao; Bowei Wang; Xilong Yan; Ligong Chen

2019

Scholarcy highlights

  • Photocatalytic composites with high activity have great potential in the purification of dye wastewater
  • The TG-2 synthesized by adding an appropriate amount of Li+ exhibits the best photodegradation activity of these samples, even better than commercial P25
  • The excellent photocatalytic performance of TG-2 is mainly attributed to the effective separation of charge carriers promoted by the synergistic effect between uniform TiO2 nanobelts and reduced graphene oxide
  • The trapping experiments of reactive species show that ∙OH may be the dominant species in the photodegradation process
  • The activity of the catalyst does not decrease after five cycles

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