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- Title
Preparation of a Leaf-Like BiVO<sub>4</sub>-Reduced Graphene Oxide Composite and Its Photocatalytic Activity.
- Authors
Xiong, Shimin; Wu, Tianhui; Fan, Zihong; Zhao, Deqiang; Du, Mao; Xu, Xuan
- Abstract
We prepared a unique leaf-like BiVO4-reduced graphene oxide (BiVO4-rGO) composite with prominent adsorption performance and photocatalytic ability by a single-step method. Multiple characterization results showed that the leaf-like BiVO4 with average diameter of about 5 um was well dispersed on the reduced graphene oxide sheet, which enhanced the transportation of photogenerated electrons into BiVO4, thereby leading to efficient separation of photogenerated carriers in the coupled graphene-nanocomposite system. The characterization and experiment results also indicated that the outstanding adsorption ability of such composite was closely associated with the rough surface of the leaf-like BiVO4 and doped rGO. The surface photocurrent spectroscopy and transient photocurrent density measurement results demonstrated that the doped rGO enhanced separation efficiency and transfer rate of photogenerated charges. As a result, the BiVO4-rGO exhibited higher photocatalytic capacity toward the degradation of rhodamine B dye under visible-light irradiation compared with pure BiVO4 and P25.
- Subjects
COMPOSITE materials synthesis; GRAPHENE oxide; PHOTOCATALYSIS; CHEMICAL reduction; ADSORPTION (Chemistry); ELECTRON transport
- Publication
Journal of Nanomaterials, 2017, p1
- ISSN
1687-4110
- Publication type
Article
- DOI
10.1155/2017/3475248