水热法制备Fe3O4@C/GQDs/AgBr复合纳米材料及其光催化性能  

Synthesis of Fe3O4@C/GQDs/AgBr Nano-Composites by Hydrothermal Treatment Method and Its Photocatalytic Properties Research

作　　者：冯正宇 张建宇 毛辉麾[1] FENG Zhengyu;ZHANG Jianyu;MAO Huihui(School of Petrochemical Engineering,Changzhou University,Changzhou 213164,China)

机构地区：[1]常州大学石油化工学院,江苏常州213164

出　　处：《常州大学学报（自然科学版）》2020年第5期17-26,共10页Journal of Changzhou University：Natural Science Edition

基　　金：国家自然科学基金资助项目(21401014);江苏省自然科学基金资助项目(BK20140255)。

摘　　要：通过水热法合成磁性Fe 3O 4@C/GQDs材料,然后采用共沉淀法负载不同含量的AgBr,合成Fe 3O 4@C/GQDs/AgBr纳米复合微球;通过TEM,XRD,FT-IR及BET等表征技术,表征材料物理化学性质。在可见光条件下测试纳米复合材料催化降解罗丹明B的光催化活性。研究表明:罗丹明B在3 h内降解率达到90%。The Fe3O4@C/GQDs/AgBr nanocomposite microspheres were prepared by hydrothermal synthesis of magnetic Fe3O4@C/GQDs and then loaded with different contents of AgBr by coprecipitation method.The characterization techniques such as TEM,XRD,FT-IR and BET were used.The physical and chemical properties of the material were characterized.The photocatalytic activity of rhodamine B catalyzed by nanocomposites was tested under visible light conditions.Studies have shown that the degradation rate of rhodamine B reaches 90%within 3 h.

关 键 词：四氧化三铁 碳包覆 碳量子点 溴化银 光催化 

分 类 号：TQ645.6[化学工程—精细化工]