摘 要:利用溶胶-凝胶法制备了可磁分离BiFeO3/AgI光催化剂。通过SEM(扫描电镜),XRD(X射线粉末衍射)等分析方法对样品的结构和形貌进行表征。以大肠杆菌作为实验菌种,考察了不同光照时间下BiFeO3/AgI光催化剂在可见光下的杀菌性能。研究结果表明:随着时间的延长,杀菌率逐步提高,当可见光照射时间达到12小时,BiFeO3/AgI样品杀菌率可达94%。
关键词:溶胶凝胶法;可磁分离的BiFeO3/AgI光催化剂;大肠杆菌;抗菌性能7416
Inactivation of E.coli on BiFeO3Photocatalyst Prepared by SOL-GEL Method
Abstract:Magnetic sepration BiFeO3/AgI photocatalysts were prepared by precipitation – deposition method. The structure and morphology of as-prepared samples were characterized with the techniques of X-ray diffraction (XRD), scanning electron microscope (SEM) and transition electron microscope (TEM). The inactivation of E-colic were performed with the as-prepared BiFeO3 plates treated at different temperatrue, to investigate their bactericidal property under visible light irradiation. The BiFeO3/AgI sample inactivate 94% of the bacteria after 12 hour visible light irradiation,。
Keyword: SOL-GEL method;Magnetic seprationBiFeO3/AgI; photocatalyst;E-colic;Antibacterial property
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