Sandwich-Like Fe&TiO2@C Nanocomposites Derived from MXene/Fe-MOFs Hybrids for Electromagnetic Absorption

查看全文 作　　者：Baiwen [1]Deng;Zhen [1]Xiang;Juan [1]Xiong;Zhicheng [1]Liu;Lunzhou [2]Yu;Wei [1]Lu

机构地区：[1]Shanghai Key Lab.of D&A for Metal‑Functional Materials,School of Materials Science&Engineering,Tongji University,Shanghai 201804,People’s Republic of China;[2]School of Materials Science&Engineering,University of Shanghai for Science and Technology,Shanghai 200092,People’s Republic of China

出　　处：《Nano-Micro Letters》索引2020年第12卷第4期,共16页

基　　金：supported by the National Natural Science Foundation of China(Nos.51971162,U1933112,51671146);the Program of Shanghai Technology Research Leader(18XD1423800);the Fundamental Research Funds for the Central Universities(22120180096) 摘　　要：Electromagnetic pollution has been causing a series of problems in people’s life,and electromagnetic absorbers with lightweight and broad absorbing bandwidth properties are widely desired.In this work,novel sandwich-like 2D laminated Fe&TiO2 nanoparticles@C nanocomposites were rationally designed and successfully developed from the MXene–MOFs hybrids.The formation of Fe and rutile-TiO2 nanoparticles sandwiched by the two-dimensional carbon nanosheets provided strong electromagnetic energy attenuation and good impedance matching for electromagnetic wave(EMW)absorption.As expected,the nanocomposites achieved a broad effective absorption bandwidth of 6.5 GHz at a thickness of only 1.6 mm and the minimum reflection loss(RL)value of−51.8 dB at 6.6 GHz with a thickness of 3 mm.This work not only provides a good design and fabricating concept for the laminated metal and functional nanoparticles@C nanocomposites with good EMW absorption,but also offers an important guideline to fabricate various two-dimensional nanocomposites derived from the MXene precursors. 关键词：MXene Metal–organic frameworks NANOCOMPOSITES Electromagnetic wave absorption

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Sandwich-Like Fe&TiO2@C Nanocomposites Derived from MXene/Fe-MOFs Hybrids for Electromagnetic Absorption

参考文献(76)

引证文献(23)

耦合文献(43)

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