Novel hierarchical structure of MoS_(2)/TiO_(2)/Ti_(3)C_(2)T_(x) composites for dramatically enhanced electromagnetic absorbing properties

查看全文 作　　者：Heng [1,2]DU;Qipeng [1]ZHANG;Biao [3]ZHAO;Frank [4]MARKEN;Qiancheng [3]GAO;Hongxia [1]LU;Li [3]GUAN;Hailong [3]WANG;Gang [3]SHAO;Hongliang [3]XU;Rui [1,5]ZHANG;Bingbing [1]FAN

机构地区：[1]School of Materials Science and Engineering,Zhengzhou University,Zhengzhou 450001,China;[2]hKey Laboratory of Functional Molecular Solids,Ministry of Education,Anhui Normal University,Wuhu 241000,China;[3]Henan Key L abomtory of Aeronautical Materials and Application Technology,Zhengzhou University of Aeronautics,Zhengzhou 450046,China;[4]Department of Chemistry,University of Bath,Claverton Down,Bath BA27AY,UK;[5]School of Materials Science and Engineering,L uoyang Institute of Science and Technology,Luoyang 471023,China

出　　处：《Journal of Advanced Ceramics》索引2021年第10卷第5期,共10页

基　　金：financially supported by the National Natural Science Foundation of China(No.U2004177);Outstanding Youth Fund of Henan Province(No.212300410081);Natural Science Research Project of Henan Educational Committee(No.20A43001). 摘　　要：In order to prevent the microwave leakage and mutual interference,more and more microwave absorbing devices are added into the design of electronic products to ensure its routine operation.In this work,we have successfully prepared MoS_(2)/TiO_(2)/Ti_(3)C_(2)T_(x) hierarchical composites by one-pot hydrothermal method and focused on the relationship between structures and electromagnetic absorbing properties.Supported by comprehensive characterizations,M0S_(2) nanosheets were proved to be anchored on the surface and interlayer of Ti_(3)C_(2)T_(x) through a hydrothermal process.Additionally,TiO_(2) nanoparticles were obtained in situ.Due to these hierarchical structures,the MoS_(2)/TiO_(2)/Ti_(3)C_(2)T_(x) composites showed greatly enhanced microwave absorbing performance.The MoS_(2)/TiO_(2)/Ti_(3)C_(2)T_(x) composites exhibit a maximum reflection loss value of -33.5 dB at 10.24 GHz and the effective absorption bandwidth covers 3.1GHz(13.9-17 GHz)at the thickness of 1.0 mm,implying the features of wide frequency and light weight.This work in the hierarchical structure of MoS_(2)/TiO_(2)/Ti_(3)C_(2)T_(x) composites opens a promising door to the exploration of constructing extraordinary electromagnetic wave absorbents. 关键词：MoS_(2)/TiO_(2)/Ti_(3)C_(2)T_(x)hierarchical hybrids microwave absorbing properties dielectric loss

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Novel hierarchical structure of MoS_(2)/TiO_(2)/Ti_(3)C_(2)T_(x) composites for dramatically enhanced electromagnetic absorbing properties

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