期刊
RSC ADVANCES
卷 6, 期 111, 页码 110155-110163出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra23970f
关键词
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资金
- Jiangsu Provincial Natural Science Foundation of China [BK20161214]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Jiangsu Key Laboratory of Environmental Material and Environmental Engineering
A novel p-n heterojunction photocatalyst of cubic-CuFe2O4/ZnO nanofibers (c-CFZs) was fabricated through a simple and economical technique of electrospinning technique combined with coprecipitation method. The products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and vibrating sample magnetometer (VSM). The prepared cubic-CuFe2O4 (c-CuFe2O4) nanofibers revealed lengths of several micrometers and were composed of many c-CuFe2O4 nanoparticles about 15-20 nm in size. After coprecipitation, the surface of c-CuFe2O4 nanofibers was densely covered with ZnO particles. The photocatalytic activity was evaluated by monitoring the degradation of the dye model Rhodamine B (RhB) under visible-light irradiation. Compared with pure ZnO and c-CuFe2O4, the c-CFZs exhibited a better photocatalytic performance. The enhanced activity could be attributed to the extended absorption in the visible light region resulting from c-CuFe2O4 and the effective separation of photo-generated carriers driven by the photo-induced potential difference generated at the p-n heterojunction photocatalyst of c-CFZs. Furthermore, these nanofibers could be recollected easily with a magnet after the photocatalytic process, avoiding secondary pollution of treated water effectively.
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