Effects of europium doping on the photocatalytic behavior of BiVO4.
Eu/BiVO(4) composite photocatalysts have been hydrothermally synthesized and characterized by XRD, XPS, SEM, EDS and DRS techniques. The photocatalytic activities of these catalysts were evaluated by the decolorization of methyl orange in aqueous solution under visible light irradiation (lambda>420 nm). It proved that the enhanced activities of Eu/BiVO(4) composites are mainly ascribed to the dopants for the effective electron-hole separation effect, and the optimum content of the doped metal can be controlled by adjusting the ratio of the rare materials in precursor.
Zhang
Aiping
A
College of Sciences, North China University of Technology, Beijing 100144, PR China. ncutalex@126.com
Zhang
Jinzhi
J
D001391:Azo Compounds; D001729:Bismuth / Q000737:chemistry*; D002384:Catalysis; D004563:Electrochemistry; D005063:Europium / Q000737:chemistry*; D007700:Kinetics; D008027:Light; D008855:Microscopy, Electron, Scanning; D010316:Particle Size; D010777:Photochemistry; D011208:Powders; D013052:Spectrometry, X-Ray Emission; D013056:Spectrophotometry, Ultraviolet; D014638:Vanadates / Q000737:chemistry*; D014961:X-Ray Diffraction
D001391:Azo Compounds; D011208:Powders; C091754:bismuth vanadium tetraoxide; D014638:Vanadates; D005063:Europium; C100258:methyl orange; D001729:Bismuth