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Fe@Fe 3 C Core-Shell Nanoparticles Embedded in Polyvinyl Alcohol-Derived Porous Carbon toward Light and High-Performance Microwave Absorption

High-performance microwave absorbents play a key role in information technology field. In this work, excellent microwave absorption property was achieved via embedded Fe@Fe 3 C core–shell nanoparticles in polyvinyl alcohol-derived porous carbon matrix. The results indicate that the microwave absorpt...

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Published in:ECS journal of solid state science and technology 2022-10, Vol.11 (10), p.101003
Main Authors: Liu, Zixuan, Zhang, Lujie, Zhao, Yehao, Bi, Xinran, Cai, Wenjun, Tan, Liwen, Liu, Yao, Liu, Dong, Zhang, Zidong
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container_issue 10
container_start_page 101003
container_title ECS journal of solid state science and technology
container_volume 11
creator Liu, Zixuan
Zhang, Lujie
Zhao, Yehao
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Liu, Dong
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description High-performance microwave absorbents play a key role in information technology field. In this work, excellent microwave absorption property was achieved via embedded Fe@Fe 3 C core–shell nanoparticles in polyvinyl alcohol-derived porous carbon matrix. The results indicate that the microwave absorption performance will be greatly enhanced due to the interface between the nanoparticles and matrix, as well as the core–shell and porous structure, increase the energy consumption capacity via dipole polarization, interface loss and the multiple reflection/scattering. The maximum reflection loss (RL max ) reaches −56.88 dB at 11.3 GHz with the thickness of 2.11 mm, and the effective absorption bandwidth (EAB, RL
doi_str_mv 10.1149/2162-8777/ac96a3
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title Fe@Fe 3 C Core-Shell Nanoparticles Embedded in Polyvinyl Alcohol-Derived Porous Carbon toward Light and High-Performance Microwave Absorption
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