三维石墨烯/磁性空心微球/导电聚合物的复合吸波材料的制备与性能测试  

Preparation and Property Test of Three-dimensional Graphene/Magnetic Hollow Microspheres/Conductive Polymer Ternary Composite Absorbers

作　　者：文笑墨 周涛[1] WEN Xiaomo;ZHOU Tao(School of Chemistry and Chemical Engineering,Central South University,Changsha 410083,China)

机构地区：[1]中南大学化学化工学院,湖南长沙410083

出　　处：《徐州工程学院学报（自然科学版）》2022年第2期36-41,共6页Journal of Xuzhou Institute of Technology(Natural Sciences Edition)

基　　金：国家自然科学基金项目(52174391)。

摘　　要：采用模板法制备磁性空心微球,导电聚合物(聚吡咯、聚苯胺等)和氧化石墨烯(GO)凝胶复合,制得GO/导电聚合物的二元材料,再将上述材料和磁性空心微球用水热法制备得到三维石墨烯(3DrGO)/磁性空心微球/导电聚合物的三元复合吸波材料.采用SEM、TEM、XRD、Raman等表征手段对三元复合吸波材料的微观形貌、结构特征、电化学性能进行表征对比分析,解释其复合和吸波的机制和原理.通过网络矢量分析仪测量在不同频率的屏蔽效能和吸波效能,调整磁性空心微球的负载率以及磁性空心微球的成分比例,从而得到综合性能最为优良的吸波材料.In this paper,a template method is used to prepare magnetic hollow microspheres.Composites of GO/conductive polymer are obtained by conductive polymers(polypyrrole,polyaniline,etc.)and graphene oxide gel(GO).A ternary composite wave absorbing material of three-dimensional grapheme(3DrGO)/magnetic hollow microspheres/conductive polymer is prepared with GO/conductive polymers and magnetic hollow microspheres by hydrothermal method.SEM,TEM,XRD,Raman and other characterization methods are used to characterize and compare the microscopic morphology,structural characteristics and electrochemical properties of the ternary materials.The mechanism and principle of their recombination and wave absorption are explained.The shielding efficiency and absorbing efficiency at different frequencies are measured by network vector analyzer,and the loading rate of the magnetic hollow microspheres and the composition ratio of the magnetic hollow microspheres are adjusted to obtain the most excellent absorbing materials in terms of comprehensive performance.

关 键 词：三维石墨烯 磁性空心微球 导电聚合物 三元复合材料 吸波性能 

分 类 号：TB34[一般工业技术—材料科学与工程]