Significant enhancement of the visible photocatalytic degradation performances of γ-Bi2MoO6 nanoplate by graphene hybridization

After hybridized with graphene, the photocatalytic performances of γ-Bi2MoO6 were increased about 2–4 times. The photocatalytic activity enhancements were dependent on the amount of graphene and it was found that the optimal hybridized amount of graphene was about 1.0 wt%, which was close to the monolayer disperse of graphene on γ-Bi2MoO6 surface. The mechanism on the enhancement of photocatalytic activity is attributed to the higher separation efficiency of photo-induced electrons and holes, which come from the electronic interaction between γ-Bi2MoO6 and graphene. The electronic interaction was verified by the photoelectrochemical measurements.

Graphene-hybridized γ-Bi2MoO6 nanoplates possessed significant visible light photocatalytic activity. The activity was increased by almost four times when loaded with 1.0 wt% graphene.Figure optionsDownload high-quality image (155 K)Download as PowerPoint slideHighlights
► A novel visible light photocatalyst, graphene-hybridized γ-Bi2MoO6 was prepared
► The photocatalytic activity was raised 4 times higher than that of γ-Bi2MoO6
► The mechanism is a higher separation efficiency of photoinduced electrons and holes.