Graphene quantum dots decorated ZnO-ZnFe2O4 nanocages and their visible light photocatalytic activity

A novel graphene quantum dots decorated ZnO-ZnFe2O4 ternary photocatalyst was prepared by a simple deposition process

Baoying Li; Xiang Yu; Xuelian Yu; Ruifeng Du; Lei Liu; Yihe Zhang

2019

Scholarcy highlights

  • A novel graphene quantum dots decorated ZnO-ZnFe2O4 ternary photocatalyst was prepared by a simple deposition process
  • This study shed a new thought by using low-cost, non-toxic metal oxides to synthesize excellent photocatalytic material
  • The as-prepared ZnO, ZnO-ZnFe2O4 and graphene quantum dots/ZnO-ZnFe2O4 were characterized by X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, thermogravimetric analysis, nitrogen absorption and desorption isothermal curves and electrochemical test
  • The synthesized GQD/ZnO-ZnFe2O4 nanocages exhibited excellent photocatalytic performance by degrading organic dye of methylene blue and tetracycline hydrochloride compared with ZnO and ZnO-ZnFe2O4
  • This study successfully shed a new thought on solving environmental problems by using low-cost, non-toxic metal oxides to synthesize excellent photocatalytic material
  • A novel graphene quantum dots decorated ZnO-ZnFe2O4 nanocages ternary photocatalyst has been prepared by a simple one-step deposition process for the first time
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