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典型文献
Hierarchical Ti3C2Tx@ZnO Hollow Spheres with Excellent Microwave Absorption Inspired by the Visual Phenomenon of Eyeless Urchins
文献摘要:
Ingenious microstructure design and rational composition selection are effective approaches to realize high-performance microwave absorbers,and the advancement of biomimetic manufacturing provides a new strategy.In nature,urchins are the animals without eyes but can"see",because their special structure composed of regular spines and spherical photosensitive bodies"amplifies"the light-receiving ability.Herein,inspired by the above phenomenon,the biomimetic urchin-like Ti3C2Tx@ZnO hollow microspheres are rationally designed and fabri-cated,in which ZnO nanoarrays(length:-2.3 μm,diameter:~100 nm)as the urchin spines are evenly grafted onto the surface of the Ti3C2Tx hollow spheres(diameter:~4.2 μm)as the urchin spherical photosensitive bodies.The construction of gradient impedance and hierarchical hetero-structures enhance the attenuation of incident electromagnetic waves.And the EMW loss behavior is further revealed by limited integral simulation calculations,which fully highlights the advantages of the urchin-like architecture.As a result,the Ti3C2Tx@ZnO hollow spheres deliver a strong reflection loss of-57.4 dB and broad effective absorption bandwidth of 6.56 GHz,superior to similar absorbents.This work provides a new biomimetic strategy for the design and manufacturing of advanced microwave absorbers.
文献关键词:
作者姓名:
Yan-Qin Wang;Hai-Bo Zhao;Jin-Bo Cheng;Bo-Wen Liu;Qiang Fu;Yu-Zhong Wang
作者机构:
Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials(MoE),State Key Laboratory of Polymer Materials Engineering,National Engineering Laboratory for Eco-Friendly Polymer Materials(Sichuan),College of Chemistry,Sichuan University,Chengdu 610064,People's Republic of China;College of Polymer Science and Engineering,State Key Laboratory of Polymer Materials Engineering,Sichuan University,Chengdu 610065,People's Republic of China
引用格式:
[1]Yan-Qin Wang;Hai-Bo Zhao;Jin-Bo Cheng;Bo-Wen Liu;Qiang Fu;Yu-Zhong Wang-.Hierarchical Ti3C2Tx@ZnO Hollow Spheres with Excellent Microwave Absorption Inspired by the Visual Phenomenon of Eyeless Urchins)[J].纳微快报(英文),2022(05):125-139
A类:
Eyeless,Urchins,urchins
B类:
Hierarchical,Ti3C2Tx,ZnO,Hollow,Spheres,Excellent,Microwave,Absorption,Inspired,by,Visual,Phenomenon,Ingenious,microstructure,composition,selection,are,effective,approaches,realize,performance,microwave,absorbers,advancement,biomimetic,manufacturing,provides,new,strategy,nature,animals,without,eyes,but,can,see,because,their,special,composed,regular,spines,spherical,photosensitive,bodies,amplifies,receiving,ability,Herein,inspired,above,phenomenon,like,hollow,microspheres,rationally,designed,fabri,cated,which,nanoarrays,length,diameter,as,evenly,grafted,onto,surface,construction,gradient,impedance,hierarchical,hetero,structures,enhance,attenuation,incident,electromagnetic,waves,And,EMW,loss,behavior,further,revealed,limited,integral,simulation,calculations,fully,highlights,advantages,architecture,result,deliver,strong,reflection,dB,broad,absorption,bandwidth,GHz,superior,similar,absorbents,This,work,advanced
AB值:
0.621954
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