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...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
De Gruyter
2021-02-01
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| Series: | Nanotechnology Reviews |
| Subjects: | |
| Online Access: | https://doi.org/10.1515/ntrev-2021-0001 |
| _version_ | 1829489386525294592 |
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| 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 |
| collection | DOAJ |
| 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). |
| first_indexed | 2024-12-15T00:06:58Z |
| format | Article |
| id | doaj.art-bf19be269aeb4c3c9ff6535cc1ce5552 |
| institution | Directory Open Access Journal |
| issn | 2191-9097 |
| language | English |
| last_indexed | 2024-12-15T00:06:58Z |
| publishDate | 2021-02-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | Nanotechnology Reviews |
| spelling | doaj.art-bf19be269aeb4c3c9ff6535cc1ce55522022-12-21T22:42:43ZengDe GruyterNanotechnology Reviews2191-90972021-02-011011910.1515/ntrev-2021-0001Improved impedance matching by multi-componential metal-hybridized rGO toward high performance of microwave absorptionXie Jinlong0Jiang Hunan1Li Jinyang2Huang Fei3Zaman Ahsan4Chen Xingxing5Gao Dan6Guo Yifan7Hui David8Zhou Zuowan9Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaKey Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaKey Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaKey Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaKey Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaKey Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaKey Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaKey Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaDepartment of Mechanical Engineering, University of New Orleans, New Orleans, LA 70148, United States of AmericaKey Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, ChinaMicrowave-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).https://doi.org/10.1515/ntrev-2021-0001microwave absorptionmulti-componential metalsreduced graphene oxide |
| spellingShingle | 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 Nanotechnology Reviews microwave absorption multi-componential metals reduced graphene oxide |
| title | 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_short | 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 |
| topic | microwave absorption multi-componential metals reduced graphene oxide |
| url | https://doi.org/10.1515/ntrev-2021-0001 |
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