P25-Graphene Composite as a High Performance Photocatalyst

We obtained a chemically bonded TiO2 -graphene nanocomposite photocatalyst with graphene oxide and P25, using a facile one-step hydrothermal method

Hao Zhang; Xiaojun Lv; Yueming Li; Ying Wang; Jinghong Li

2009

Scholarcy highlights

  • We obtained a chemically bonded TiO2-graphene nanocomposite photocatalyst with graphene oxide and P25, using a facile one-step hydrothermal method
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  • The as-prepared P25-graphene photocatalyst possessed great adsorptivity of dyes, extended light absorption range, and efficient charge separation properties simultaneously, which was rarely reported in other TiO2−carbon photocatalysts
  • In the photodegradation of methylene blue, a significant enhancement in the reaction rate was observed with P25-graphene, compared to the bare P25 and P25-CNTs with the same carbon content
  • FTIR spectra of P25 and P25-GR with different magnifications, characterization of graphene prepared via hydrothermal method, durability and control experiments in photocatalysis, and some expanded discussion
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