In this section, you can access to the latest technical information related to the FUTURE project topic.

Construction of rGO wrapping octahedral Ag-Cu2O heterostructure for enhanced visible light photocatalytic activity

A ternary reduced graphene oxide wrapped octahedral Ag-Cu2O (Ag-Cu2O/rGO) photocatalyst has been synthesized through a facile one-pot water bath method at 55?°C. The ternary Ag-Cu2O/rGO composites possessed a novel heterostructure, in which Cu2O octahedra were decorated with dense Ag nanoparticles and were wrapped with thin rGO nanosheets. The ternary Ag-Cu2O/rGO photocatalyst exhibited much higher activity in photodegradations of phenol in water under visible light than either pure Cu2O or binary Cu2O/rGO or Ag-Cu2O composites. The photo-excited electrons from Cu2O transferred to rGO and Ag, leading to the separation of the electron-hole pairs. The incorporation of rGO not only suppressed the recombination of electron-hole pairs but also prevented the agglomeration of Ag nanoparticles. Ag nanoparticles played an important role in the photocatalysis owing to the surface plasmon resonance.

» Author: Qi Wei, Yang Wang, Haiying Qin, Jinming Wu, Yangfang Lu, Hongzhong Chi, Fan Yang, Bin Zhou, Houlin Yu, Jiabin Liu

» Reference: Applied Catalysis B: Environmental, Volume 227

» Publication Date: 05/07/2018

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