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典型文献
Tunable Co/ZnO/C@MWCNTs based on carbon nanotube-coated MOF with excellent microwave absorption properties
文献摘要:
The development of global information technology makes human life intelligent,and the large-scale use of various electronic devices increases the electromagnetic radiation in the surrounding environment.This has created a requirement for the development of high-performance electromagnetic wave absorbers to eliminate electromagnetic pollution.However,the preparation of electromagnetic wave absorbers with excellent electromagnetic loss capability remains a great challenge.Here,we present a method to pre-pare Co/ZnO/C@MWCNTs(CZC@M)composites by pyrolysis of ZnCo-MOF@MWCNTs(MOF@M)).Specifi-cally,MWCNTs are uniformly distributed on the CZC surface to form multiple heterogeneous interfaces,which will lead to an increase in polarizability.In addition,changing the amounts of MWCNTs in the composite can modulate its dielectric constant and impedance matching properties.Impressively,at only 10%sample content,the minimum reflection loss of-41.75 dB and the maximum effective absorption bandwidth of 4.72 GHz are obtained at thicknesses of 2.4 mm and 2.2 mm,respectively.Overall,the results reported in this work provide a new design strategy for the synthesis of high-performance elec-tromagnetic wave absorbers with potential applications in the elimination of electromagnetic pollution.
文献关键词:
作者姓名:
Zirui Jia;Mingyue Kong;Bowen Yu;Yingzhuo Ma;Jiaying Pan;Guanglei Wu
作者机构:
Institute of Materials for Energy and Environment,State Key Laboratory of Bio-Fibers and Eco-Textiles,College of Materials Science and Engineering,Qingdao University,Qingdao 266071,China;College of Chemistry and Chemical Engineering,Qingdao University,Qingdao 266071,China;Weihai Innovation Institute,Qingdao University,Weihai 264200,China
引用格式:
[1]Zirui Jia;Mingyue Kong;Bowen Yu;Yingzhuo Ma;Jiaying Pan;Guanglei Wu-.Tunable Co/ZnO/C@MWCNTs based on carbon nanotube-coated MOF with excellent microwave absorption properties)[J].材料科学技术(英文版),2022(32):153-163
A类:
CZC,Specifi
B类:
Tunable,ZnO,MWCNTs,carbon,nanotube,coated,MOF,excellent,microwave,absorption,properties,development,global,information,technology,makes,human,life,intelligent,large,scale,use,various,electronic,devices,increases,electromagnetic,radiation,surrounding,environment,This,has,created,requirement,high,performance,absorbers,eliminate,pollution,However,preparation,loss,capability,remains,great,challenge,Here,present,method,pare,composites,by,pyrolysis,ZnCo,cally,uniformly,distributed,surface,multiple,heterogeneous,interfaces,which,will,lead,polarizability,In,addition,changing,amounts,can,modulate,its,dielectric,constant,impedance,matching,Impressively,only,sample,content,minimum,reflection,dB,maximum,effective,bandwidth,GHz,obtained,thicknesses,respectively,Overall,results,reported,this,work,provide,new,design,strategy,synthesis,potential,applications,elimination
AB值:
0.606321
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