Tunable High-Performance Microwave Absorption and Shielding by Three Constituent Phases Between rGO and Fe3O4@SiO2 Nanochains

With the aim of achieving high microwave absorption and electromagnetic shielding performance, reduced graphene oxide (rGO) and Fe 3 O 4 @SiO 2 nanochains are successfully combined at various mass ratios. By selecting the right mass ratio, an rGO/Fe 3 O 4 @SiO 2 composite with excellent microwave ab...

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Bibliographic Details
Published in:Frontiers in chemistry 2019-11, Vol.7, p.711-711
Main Authors: Li, Chao-Qin, Xu, Wei, Ding, Ruo-Cheng, Shen, Xun, Chen, Zhi, Li, Mao-Dong, Wang, Guang-Sheng
Format: Article
Language:English
Subjects:
Chemistry
electromagnetic shielding
Fe3O4@SiO2 nanochains
microwave absorption
multi-functional composite
rGO/Fe3O4@SiO2 composite
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Summary:With the aim of achieving high microwave absorption and electromagnetic shielding performance, reduced graphene oxide (rGO) and Fe 3 O 4 @SiO 2 nanochains are successfully combined at various mass ratios. By selecting the right mass ratio, an rGO/Fe 3 O 4 @SiO 2 composite with excellent microwave absorption properties is obtained, and, due to the addition of highly conductive rGO, the desired shielding effectiveness is also achieved. The reflection loss (RL) value of the composite can reach −48.34 dB with a mass ratio of 1:1, and the effective bandwidth (
ISSN:2296-2646
2296-2646
DOI:10.3389/fchem.2019.00711