期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 586, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2019.124294
关键词
Zinc oxide; Bismuth iron tungstate; Photocatalysts; Rhodamine-B; Nanocomposites
资金
- Deanship of Scientific Research, King Saud University
- National Research Foundation of Korea [21A20151513130] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Herein, we have examined the photocatalytic activity (PCA) of as-prepared BiFeWO6/ZnO nanocomposites for Rhodamine-B (RhB) degradation under visible-light irradiation (VLI). A simple co-precipitation process was preferred to fabricate both bare ZnO and BiFeWO6. The BiFeWO6/ZnO nanocomposites were fabricated by adding the various amounts (1, 5 and 10 wt%) of BiFeWO6 into ZnO via the wet-impregnation process. Among various nanocomposites, the 5 %-BiFeWO6/ZnO nanocomposite displayed an excellent PCA for RhB degradation, which was similar to 2 folds higher than the bare ZnO. The as-prepared nanocomposites were examined by Fourier transform-infrared (FTIR), powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), UV-vis diffuse reflection spectroscopy (DRS), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), and photo-electrochemical studies. Finally, a feasible RhB degradation mechanism was offered over BiFeWO6/ZnO nanocomposites under VLI.
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