Structural Engineering of Hierarchical Aerogels Comprised of Multi-dimensional Gradient Carbon Nanoarchitectures for Highly Efficient Microwave Absorption

作     者：Yongpeng Zhao Xueqing Zuo Yuan Guo Hui Huang Hao Zhang Ting Wang Ningxuan Wen Huan Chen Tianze Cong Javid Muhammad Xuan Yang Xinnan Wang Zeng Fan Lujun Pan Yongpeng Zhao;Xueqing Zuo;Yuan Guo;Hui Huang;Hao Zhang;Ting Wang;Ningxuan Wen;Huan Chen;Tianze Cong;Javid Muhammad;Xuan Yang;Xinnan Wang;Zeng Fan;Lujun Pan

作者机构：School of PhysicsDalian University of TechnologyDalian 116024LiaoningPeople’s Republic of China School of MicroelectronicsDalian University of TechnologyDalian 116024LiaoningPeople’s Republic of China School of Materials Science and EngineeringDalian University of TechnologyDalian 116024LiaoningPeople’s Republic of China School of Chemical EngineeringDalian University of TechnologyDalian 116024LiaoningPeople’s Republic of China 

出 版 物：《Nano-Micro Letters》 (纳微快报（英文版）)

年 卷 期：2021年第13卷第9期

页      面：344-363页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：This work was financially supported by the National Natural Science Foundation of China(Nos.51972039,51803018,and 51661145025) LiaoNing Revitalization Talents Program(No.XLYC1902122) 

主　　题：Hierarchical aerogels Multi-dimensional gradient Carbon nanocoils Microwave absorption 

摘      要：Recently,multilevel structural carbon aerogels are deemed as attractive candidates for microwave absorbing ***,excessive stack and agglomeration for low-dimension carbon nanomaterials inducing impedance mismatch are significant ***,the delicate“3D helix-2D sheet-1D fiber-0D dothierarchical aerogels have been successfully synthesized,for the first time,by sequential processes of hydrothermal self-assembly and in-situ chemical vapor deposition ***,the graphene sheets are uniformly intercalated by 3D helical carbon nanocoils,which give a feasible solution to the mentioned problem and endows the as-obtained aerogel with abundant porous structures and better dielectric ***,by adjusting the content of 0D core-shell structured particles and the parameters for growth of the 1D carbon nanofibers,tunable electromagnetic properties and excellent impedance matching are achieved,which plays a vital role in the microwave absorption *** expected,the optimized aerogels harvest excellent performance,including broad effective bandwidth and strong reflection loss at low filling ratio and thin *** work gives valuable guidance and inspiration for the design of hierarchical materials comprised of dimensional gradient structures,which holds great application potential for electromagnetic wave attenuation.