Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption

Microwave-absorbing materials with good microwave absorption performance are of great interest for military applications and human health, which is threatened by electromagnetic radiation pollution. Herein, the design and synthesis of multi-componential metal-hybridized graphene composites via freez...

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Autores principales:	Xie Jinlong, Jiang Hunan, Li Jinyang, Huang Fei, Zaman Ahsan, Chen Xingxing, Gao Dan, Guo Yifan, Hui David, Zhou Zuowan
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	microwave absorption multi-componential metals reduced graphene oxide Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801
Acceso en línea:	https://doaj.org/article/bf19be269aeb4c3c9ff6535cc1ce5552
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spelling	oai:doaj.org-article:bf19be269aeb4c3c9ff6535cc1ce55522021-12-05T14:10:57ZImproved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption2191-909710.1515/ntrev-2021-0001https://doaj.org/article/bf19be269aeb4c3c9ff6535cc1ce55522021-02-01T00:00:00Zhttps://doi.org/10.1515/ntrev-2021-0001https://doaj.org/toc/2191-9097Microwave-absorbing materials with good microwave absorption performance are of great interest for military applications and human health, which is threatened by electromagnetic radiation pollution. Herein, the design and synthesis of multi-componential metal-hybridized graphene composites via freeze drying and pyrolysis of ferrocene hydrazone complex precursor are reported. Various magnetic nanoparticles are loaded on reduced graphene oxide (rGO) via controlling their pyrolysis temperature. The complex electromagnetic parameters of these hybrids are therefore regulated by the hybrid components. Among them, rGO hybridized by the sea-island-like Fe2O3/Fe3O4/FeNi3 multi-componential metals shows a good balance of dielectric and magnetic constants. Thus, the improved impedance matching with free space brings about a superior electromagnetic wave absorption performance, especially on the effective absorption bandwidth. The minimum reflection loss (RL) of the hybrids is as low as −40.3 dB at 11 GHz with the RL bandwidth of −10 dB being 4.55 GHz (from 9.25 to 13.8 GHz).Xie JinlongJiang HunanLi JinyangHuang FeiZaman AhsanChen XingxingGao DanGuo YifanHui DavidZhou ZuowanDe Gruyterarticlemicrowave absorptionmulti-componential metalsreduced graphene oxideTechnologyTChemical technologyTP1-1185Physical and theoretical chemistryQD450-801ENNanotechnology Reviews, Vol 10, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	microwave absorption multi-componential metals reduced graphene oxide Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801
spellingShingle	microwave absorption multi-componential metals reduced graphene oxide Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801 Xie Jinlong Jiang Hunan Li Jinyang Huang Fei Zaman Ahsan Chen Xingxing Gao Dan Guo Yifan Hui David Zhou Zuowan Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption
description	Microwave-absorbing materials with good microwave absorption performance are of great interest for military applications and human health, which is threatened by electromagnetic radiation pollution. Herein, the design and synthesis of multi-componential metal-hybridized graphene composites via freeze drying and pyrolysis of ferrocene hydrazone complex precursor are reported. Various magnetic nanoparticles are loaded on reduced graphene oxide (rGO) via controlling their pyrolysis temperature. The complex electromagnetic parameters of these hybrids are therefore regulated by the hybrid components. Among them, rGO hybridized by the sea-island-like Fe2O3/Fe3O4/FeNi3 multi-componential metals shows a good balance of dielectric and magnetic constants. Thus, the improved impedance matching with free space brings about a superior electromagnetic wave absorption performance, especially on the effective absorption bandwidth. The minimum reflection loss (RL) of the hybrids is as low as −40.3 dB at 11 GHz with the RL bandwidth of −10 dB being 4.55 GHz (from 9.25 to 13.8 GHz).
format	article
author	Xie Jinlong Jiang Hunan Li Jinyang Huang Fei Zaman Ahsan Chen Xingxing Gao Dan Guo Yifan Hui David Zhou Zuowan
author_facet	Xie Jinlong Jiang Hunan Li Jinyang Huang Fei Zaman Ahsan Chen Xingxing Gao Dan Guo Yifan Hui David Zhou Zuowan
author_sort	Xie Jinlong
title	Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption
title_short	Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption
title_full	Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption
title_fullStr	Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption
title_full_unstemmed	Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption
title_sort	improved impedance matching by multi-componential metal-hybridized rgo toward high performance of microwave absorption
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/bf19be269aeb4c3c9ff6535cc1ce5552
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Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorption

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