三维结构铁氧体/碳复合材料制备及其电磁波吸收特性  

Preparation and electromagnetic wave absorption characteristics of 3D ferrite/carbon composites

作　　者：蔡泽 张丰发 布和巴特尔 吴辰 刘明聪 CAI Ze;ZHANG Feng-fa;BUHE Bateer;WU Chen;LIU Ming-cong(College of Materials and Chemical Engineering,Heilongjiang Institute of Technology,Harbin 150050,China)

机构地区：[1]黑龙江工程学院材料与化学工程学院,黑龙江哈尔滨150050

出　　处：《化学工程师》2020年第11期18-21,共4页Chemical Engineer

基　　金：黑龙江省大学生创新创业项目(201911802010);黑龙江工程学院博士科研基金项目(2019BJ15);黑龙江省自然科学基金项目(LH2019B018)。

摘　　要：为提高现有电磁波屏蔽材料性能,来缓解目前环境中有害电磁波污染问题与满足日益增长的隐身技术需求,利用溶剂热法制备了一种铁氧体与碳纳米管和石墨烯的三元复合材料。利用XRD、SEM和矢量网络分析仪进行分析,发现最佳反射率为-28.3d B,表现出具有较强的电磁波吸收性能,满足大多数环境中的电磁屏蔽需求。有望成为未来大规模使用的电磁波吸收新材料。In order to improve the performance of existing electromagnetic shielding materials,to alleviate the problem of harmful electromagnetic wave pollution in the environment and to meet the increasing demand of stealth technology,we prepared a kind of ferrite with carbon nanotube and graphene ternary composite by solvothermal method.By means of XRD,SEM and vector network analyzers,it is found that the best reflectivity is-28.3dB,which shows a strong electromagnetic absorption performance and meets the requirements of electromagnetic shielding in most environments.It is expected to be a new absorbing material for electromagnetic wave in the future.

关 键 词：三维结构 电磁波吸收特性 纳米FE3O4 石墨烯 碳纳米管 

分 类 号：O613.71[理学—无机化学]