Nanomaterials and Solar Energy Conversion Lab, Department of Chemistry, National Institute of Technology, Trichy 620015, India.
J Hazard Mater. 2013 May 15;252-253:171-9. doi: 10.1016/j.jhazmat.2013.02.030. Epub 2013 Feb 26.
In this study, an attempt was made to render both the magnetic and photocatalytic properties in a semiconductor material to enhance the efficiency of degradation and recycling possibility of magnetic nanophotocatalysts. CoFe2O4 and CoFe2O4 loaded ZnO nanoparticles were prepared by a simple co-precipitation method and characterized using various analytical tools and in addition to check its visible light assisted photocatalytic activity. CoFe2O4/ZnO nanocatalyst coupled with acceptor, peroxomonosulphate (PMS) showed 1.69-fold enhancement in Direct Blue 71 (triazo dye; DB71) mineralization within 5h. The accomplished enrichment in decolorization was due to the production of more number of non-selective and active free radicals at the catalyst surface.
在这项研究中，试图在半导体材料中呈现磁性和光催化性能，以提高磁性纳米光催化剂的降解效率和可回收性。通过简单的共沉淀法制备了 CoFe2O4 和 CoFe2O4 负载的 ZnO 纳米粒子，并使用各种分析工具进行了表征，此外还检查了其可见光辅助光催化活性。CoFe2O4/ZnO 纳米催化剂与受体过一硫酸盐（PMS）结合，在 5 小时内将直接蓝 71（三嗪染料；DB71）矿化提高了 1.69 倍。由于在催化剂表面产生了更多数量的非选择性和活性自由基，因此实现了更深的脱色。
