Au /γ-Fe2O3/RGO的制备及其在光催化苯乙烯环氧化反应中的应用  

Preparation of Au/γ-Fe2O3/ RGO and Its Application in Photocatalytic Styrene Epoxidation

作　　者：朱世从 刘蕊 王广健[1] ZHU Shi-cong;LIU Rui;WANG Guang-jian(School of Chemistry and Materials Science,Huaibei Normal University,Huaibei 235000,Anhui,China)

机构地区：[1]淮北师范大学化学与材料科学学院

出　　处：《兰州文理学院学报（自然科学版）》2020年第1期45-49,共5页Journal of Lanzhou University of Arts and Science(Natural Sciences)

摘　　要：金属掺杂石墨烯的复合材料在光化学催化中有很好的应用.采用改良的Hummers法制备氧化石墨烯(GO)、氧化还原法制备还原氧化石墨烯(RGO)、化学共沉淀法制备γ-Fe2O3,再通过水热合成法制备γ-Fe2O3/RGO,最后掺杂Au元素,对每种产品使用X射线衍射仪(XRD)、傅里叶变换红外光谱(IR)、扫描电子显微镜(SEM)等多种分析方法进行表征.光催化实验结果表明该催化剂催化效率高.Metal-doped graphene composites have good applications in photochemical catalysis.In this paper,graphene oxide(GO)is prepared by the modified Hummers method,RGO was prepared by REDOX method,γ-Fe2O3 is prepared by using chemical coprecipitation,γ-Fe2O3/RGO is prepared by hydrothermal method,finally,the element Au is doped,for each product we can use X-ray diffractometer(XRD),Fourier transform infrared spectroscopy and scanning electron microscope(SEM)and so on.Various analytical methods are used to characterize the product.The results of photocatalytic experiments show that the catalyst has high catalytic efficiency.

关 键 词：石墨烯 光催化 苯乙烯环氧化 Au/γ-Fe2O3/RGO催化剂 

分 类 号：O614.81[理学—无机化学] O614.123[理学—化学]