The enhanced photocatalytic performance of combining graphene with visible-light responsive BiVO4
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Abstract
In this paper, BVO-T/rGO composite was successfully synthesized through hydrothermal method and ultraviolet irradiation. The structure and physicochemical properties of the materials were characterized by means of the XRD, FE-SEM, HRTEM, Raman, and UV–Vis techniques. The photocatalytic performance of as-synthesized samples was evaluated by photodegradation of RhB under visible light irradiation. It is shown that BiVO4 is a truncate octahedron-like morphology with (040) facet exposed and is tightly wrapped by rGO. The Raman spectrum of BVO-T/rGO shows two characteristic bands, which is corresponding to the D band and G band of rGO, respectively. After combining with rGO, the composite shows much higher photocatalytic performance. The possible formation mechanisms of such multiple morphological BiVO4 materials have also been discussed.
Keywords
Reduce Graphene Oxide Visible Light Irradiation Photocatalytic Performance BiVO4 Bismuth VanadateSupplementary material
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