The present paper describes an efficient microwave-assisted synthesis of magnetic CoFe2O4 and its nanocomposite with graphene oxide (GO-CoFe2O4) for photocatalytic oxidative coupling of benzylamines to the corresponding imines using molecular oxygen. The surface morphologies and structures of both CoFe2O4 and GO-CoFe2O4 nanocomposites were investigated by various spectroscopic techniques including
本文描述了一种高效的微波辅助合成磁性CoFe 2 O 4及其纳米复合材料与氧化
石墨烯(GO-CoFe 2 O 4)的方法,该方法利用分子氧将
苄胺光催化氧化偶联至相应的
亚胺。CoFe 2 O 4和GO-CoFe 2 O 4的表面形态和结构纳米复合材料通过各种光谱技术进行了研究,包括粉末X射线衍射(XRD),透射电子显微镜(HR-
TEM),傅立叶变换红外光谱(FTIR),氮吸附-解吸等温线,X射线光电子能谱(XPS)和拉曼光谱光谱学。光催化氧化偶合实验表明,GO-CoFe 2 O 4的效率显着高于CoFe 2 O 4纳米颗粒,表明GO在反应中起着重要的作用。而且,合成的纳米复合材料的磁特性通过外部磁体的影响提供了材料的容易恢复。