期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 670, 期 -, 页码 198-209出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2016.01.247
关键词
N-ZnO; CdS; Graphene oxide; Photoctalytic degradation; Antibiotics; Ciprofloxacin
资金
- National Natural Science Foundation of China [21576125, 21407064]
- Natural Science Foundation of Jiangsu Province [BK20130489, BK20140532, BK20150484]
- Research Foundation of Jiangsu University, China [11JDG107]
N-ZnO/CdS/Graphene oxide (GO) composite photocatalysts have been successfully synthesized by hydrothermal method. The as-prepared composite photocatalysts were characterized by X-ray diffraction (XRD), Raman, scanning electron microscopy(SEM), transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), fourier transform infrared (FT-IR) spectra, UV-vis diffuse reflectance spectra (UV-vis DRS), thermogravimetry (TG) and photoluminescence (PL). The as-prepared photocatalysts exhibited strong visible light photocatalytic activity toward to degradation of antibiotics under ambient conditions. Particularly, the NeZnO/CdS/GO composite photocatalysts showed the higher photocatalytic degradation rate (86%) of cipro-floxacin CIP under visible light irradiation than the pure photocatalysts. Compared with degradation of different antibiotics (tetracycline (TC), oxytetracycline hydrochloride (OTC-HCl) and levofloxacin (LEV)), the NeZnO/CdS/GO composite photocatalysts also exhibited high photocatalytic activities. According to the experiments, the role of GO in the composite photocatalysts acted as an electron conductor, and also enhanced the separation rate of electrons and holes which greatly improved the photocatalytic activity. Lastly, the mechanism of enhanced photocatalytic degradation of CIP was also discussed. (C) 2016 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据